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Technical Service Bulletin NumberTSB110157
Technical Service Bulletin
SubjectPiston, Ring, Liner and Cylinder Kit Information (T099)
Warranty StatementThe information in this document has no effect on present warranty coverage or repair practices, nor does it authorize TRP or Campaign actions.
ContentsThis Service Parts Topic updates and replaces previous information in 95T110 on the TriTech™ series of pistons, rings and cylinder kits for NH and NTengines. The recommended piston for certain high horsepower NT industrial generator set engines has been changed so the 95T110 is no longercorrect thus copies of 95T110 must be discarded. Certification Field Fix (FF208) is released for emissions controlled NH and NT engines using thenew TriTech™ pistons. This updated information replaces the recommendations of any prior Service Parts Topics.
TriTech™ Cylinder Kits utilize technology gains from our 1991 and 1994 engine development experience to provide significant reliability and durabilityadvances for earlier Small Cam, Big Cam, and 88 NH and NT engines.
The most prominent feature of the TriTech™ Kits is their use of three piston rings rather than the four rings used on most NH and NTs of the past. TheTriTech™ compression rings keystone angle and matching piston ring groove angles are 15 degrees compared to 20 degrees on the four ring stylepistons improving durability but making rings noninterchangeable. Recent emissions regulations on new engines have driven oil consumption levelsdownward in order to meet stricter particulate matter limits. The TriTech™ Cylinder Kits now offer similar excellent oil control for earlier model NH andNY 855 cubic inch engines at rebuild time. Improved oil control means reduced oil consumption along with a reduction in hard carbon buildup therebyreducing wear and improving durability.
CAUTION
Do not mix the rings among NT three ring and four ring sets, only the bottom oil control rings are interchangeable.
The TriTech™ Cylinder Kits are offered at two performance levels, TriTech™ and TriTech™ Plus. The new kits cover both the single and dual niresistpiston product lines. Most 855 cubic inch NH and NT and N14 engine models will have at least two cylinder kit options to choose from, TriTech™ orTriTech™ Plus. Some engine models will have three cylinder kit options, TriTech™ or TriTech™ Plus with single niresist piston and TriTech™ Plus withdual noresist pistons.
CAUTION
All pistons used within a given engine must be the same weight to avoid rough running due to component imbalance. The new TriTech™ 3 ringpistons are the same weight as the 4 ring piston they directly supersede. However, some older pistons two and three steps backward in thesupersession chain are not the same weight and must not be mixed within an engine. Consult Table 2 when replacing less than a full set of sixpistons to be sure mixing of new and older piston part numbers is acceptable.
TriTech™ Single NiResist Cylinder Kits are designed for those engines that are primarily operated at higher speeds (2,100 rpm), seldom highly loadedat lower engine speeds. TriTech™ Cylinder Kits include the TriTech™ ring set, Part No. 3803990 which contains an inlaid chrome top ring, a ductile ironsecond ring, and a chrome faced "I" oil control ring.
TriTech™ Plus Single NiResist Cylinder Kits are recommended for Formula and highly loaded prebig cam IV engines operated mainly at 1,800 rpm orhigher engine speeds, or those equipped with compression brakes. TriTech™ Plus Single NiResist Cylinder Kits contain a piston designed for moresevere service. These kits also include a severe duty TriTech™ Plus ring set, Part No. 3803358 which contain s a heavy inlaid chrome top ring, achrome faced second ring, and a heavy chrome faced oil control ring.
TriTech™ Dual NiResist Cylinder Kits are designed for those engines that were originally built with dual niresist pistons. These cylinder kits are forengines primarily operated at 1,600 rpm or higher, seldom fully loaded at lower engine speeds. TriTech™ Dual NiResist Cylinder Kits include theTriTech™ ring set, Part No. 3803990 which contains an inlaid chrome top ring, a non faced second ring, and a chrome faced I oil control ring.
CAUTION
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Use a Dual NiResist pistons only in engiens that are both aftercooled and piston cooled. Use of Dual NiResist pistons in nonaftercooled or nonpiston cooled engine will result in severe damage.
TriTech™ Plus Dual NiResist Cylinder Kits are designed for those engines that are worked hard, often fully loaded at all engine speeds, and with heavyuse of compression brakes. TriTech™ Plus Dual NiResist Pistons are recommended as replacement for Single NiResist Pistons in engines which haveexperienced heavy second ring groove wear. The TriTech™ Plus Dual NiResist Piston is designed for severe duty by incorporating several uniquefeatures, most visible being the anodized crown material for improved high temperature durability. These cylinder kits also include a severe dutyTriTech™ Plus Ring Set, Part No. 3803358 which contains a heavy inlaid chrome top ring, a chrome faced second ring, and a heavy chrome faced I oilcontrol ring.
TriTech™ Cylinder Kits are available with both the standard sized Lower Press Fit (LPF) liner, Part No. (3055099), and the 0.51/10.2 mm [0.020/0.040inch] oversized LPF cylinder liner, Part No. (3065405). The standard LPF liner, Part No. (3055099) is recommended for cylinder blocks originallymachined after September, 1986 or blocks reconditioned to new dimensions for standard LPF liners. The 0.51/1.02 mm [0.020/0.040 inch] LPF liner,Part No. (3065405) is recommended for those blocks that were not originally machined for the LPF feature and for blocks where counterbore wear issuch that the standard liner will no longer fit properly. The appropriate sealing ring shim (See Table 7) must be used with these liners to obtain properprotrusion.
Cylinder kits containing 1.02 mm [0.040 inch] oversized LPF liner, Part No. (3054936) and 0.51 mm [0.020 inch] oversized Upper Press Fit (UPF) liners,Part No. (3046325) are no longer offered. The liner, Part No. (3054936) has been replaced with the 0.51/1.02 mm [0.020/0.040 inch] LPF liner, Part No.(3065405). The 0.51 mm [0.020 inch] oversized UPF liner, Part No. (3046325_ will only be available in liner kit, Part No. 3801387, and is onlyrecommended as a direct replacement for a liner, Part No. 3046325. If block counterbore machining is required, the block must be machined to accepteither the standard LPF, Part No. (3055099) or 0.51/1.02 mm [ 0.020/0.040 inch] oversized LPF, Part No. (3065405) along with the appropriate sealingring shim.
NOTE: If the block counterbore area must be salvaged with a sleeve, use one of the four salvage sleeves listed in Table 8 designed to workwith the LPF feature. Use of these sleeves will bring block back to standard dimensions for use with standard LPF liner, Part No. (3055099).
Table 1 lists all NH and NT and N14 855 engine Control Parts List (CPL) numbers along with the appropriate TriTech™ piston, standard and oversizedLPF cylinder kit part numbers. All engines manufactured after January 1973 used a CPL number and Table 1 must be used for correct piston and kitselection for these engines.
Certification Field Fix (FF208) applies to those CPL numbers followed by the letter (A) in Table 1. When rebuilding these engines with the newTriTech™ pistons, the engine dataplate must be stamped with "FF208".
Table 2 is an old piston to TriTech™ piston cross reference to be used only when the CPL number is not known.
Table 3 lists old piston kits and the appropriate replacement TriTec™ piston kits.
Table 4 cross references old cylinder kits to the new TriTech™ Cylinder Kits, including both standard and oversized kits.
Table 5 shows the various new TriTech™ pistons, their compression ratios, and appropriate piston and cylinder kits.
Table 6 shows the contents of the new TriTech™ Piston Ring Sets.
Table 7 lists the sealing ring shims for both standard and oversized liners.
Table 8 lists the various counterbore upper deck repair sleeves.
Table 9 lists various TriTech™ Cylinder Kits to TriTech™ Overhaul Kits.
Table 1: Engine CPL Number to TriTech™ Piston and Cylinder Kit Part Numbers
NOTE: It is important to read and apply the information at the bottom of this table.
NOTE: In order to print these tables properly you must set your printer paper orientation to "landscape".
Caution: NonPiston Cooled Engines Use Table 2 unless CPL number below is followed by the letter (C).
CPL No. 1 2 3 4 5
Engine Model NT855335 NT855335 NT855335 NT855335 NTF365/290R
Previous Piston Part # (3051555) (3051555) (3051555) (3051555) (3051555)
TriTech Plus Single NiResist Piston LPF Cylinder KitPart No. (B) (3095739) (3095739) (3095739) (3095739) (3095739)
Std. 3804444 3804444 3804444 3804444 3804444
.020 .040 3804474 3804474 3804744 3804744 3804744
TriTech Single NiResist Piston LPF Cylinder KitPart No. (B) (3095703) (3095703) (3095703) (3095703) (3095703)
Std. 3804354 3084354 3084354 3084354 3084354
.020 .040 3804384 3804384 3804384 3804384 3804384
TriTech Plus Dual NiResist Piston LPF Cylinder KitPart No.(B) – – – – –
Std. – – – – –
.020 .040 – – – – –
TriTech Dual NiResist Piston LPF Cylinder KitPart No. (B) – – – – –
Std. – – – – –
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.020 .040 – – – – –
CPL No. 6 7 8 9 10
Engine Model NT855 NT855 NTA380 NT855 NT855
Previous Piston Part # (3051555) (3051555) (3051555)(D) (3051555) (3051555)
(D)
TriTech Plus Single NiResist Piston LPF Cylinder KitPart No. (B) (3095739) (3095739) (3095739) (3095739) (3095739)
Std. 3804444 3804444 3804444 3804444 3804444
.020 .040 3804474 3804474 3804474 3804474 3804474
TriTech Single NiResist Piston LPF Cylinder KitPart No. (B) (3095703) (3095703) (3095703) (3095703) (3095703)
Std. 3804354 3804354 3804354 3804354 3804354
.020 .040 3804384 3804384 3804384 3804384 3804384
TriTech Plus Dual NiResist Piston LPF Cylinder KitPart No. (B) – – (3095062) – (3095062)
Std. – – 3804456 – 3804456
.020 .040 – – 3804486 – 3804486
TriTech Dual NiResist Piston LPF Cylinder KitPart No. (B) – – – – –
Std. – – – – –
.020 .040 – – – – –
CPL No. 11 12 13 14(C) 16(C)
Engine Model NTA380 NT855380 NT855400 NHCT270 NHCTCT
Previous Piston Part # (3051555)(D)
(3051555)(D)
(3051555)(D) (3017349) (3017349)
TriTech Plus Single NiResist Piston LPF Cylinder KitPart No. (B) (3095739) (3095739) (3095739) (3095739) (3095739)
Std. 3804444 3804444 3804444 3804443 3804443
.020 .040 3804474 3804474 3804474 3804473 3804473
TriTech Single NiResist Piston LPF Cylinder KitPart No. (B) (3095703) (3095703) (3095703) (3095756) (3095756)
Std. 3804354 3804354 3804354 3804353 3804353
.020 .040 3804384 3804384 3804384 3804383 3804383
TriTech Plus Dual NiResist Piston LPF Cylinder KitPart No.(B) (3095062) (3095062) (3095062) – –
Std. 3804456 3804456 3804456 – –
.020 .040 3804486 3804486 3804486 – –
TriTech Dual NiResist Piston LPF Cylinder KitPart No. (B) – – – – –
Std. – – – – –
.020 .040 – – – – –
CPL No. 17 18 19 20 21
Engine Model NH250 NT855280 NT280B1 NT855335 NTC350
Previous Piston Part # (3048650) (3017349) (3051555) (3051555) (3051555)(D)
TriTech Plus Single NiResist Piston LPF Cylinder KitPart No. (B) (3095759) (3095756) (3095739) (3095739) (3095739)
Std. 3804439 3804443 3804444 3804444 3804444
.020 .040 3804469 3804473 3804474 3804474 3804474
TriTech Single NiResist Piston LPF Cylinder KitPart No.(B) (3095759) (3095756) (3095703) (3095703) (3095703)
Std. 3804349 3804353 3804354 3804354 3804354
.020 .040 3804379 3804383 3804384 3804384 3804384
TriTech Plus Dual NiResist Piston LPF Cylinder KitPart No. (B) – – – – (3095062)
Std. – – – – 3804456
.020 .040 – – – – 3804486
TriTech Dual NiResist Piston LPF Cylinder KitPart No. (B) – – – – –
Std. – – – – –
.020 .040 – – – – –
CPL No. 22 23 24(C) 25 26(C)
Engine Model NTA370 NTA420 NHTF295 NTF365 NH230
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Previous Piston Part # (3051557) (3051557) (3017349) (3051555) (3048650)
TriTech Plus Single NiResist Piston LPF Cylinder KitPart No. (B) (3095741) (3095741) (3095756) (3095739) (3095759)
Std. 3804449 3804449 3804449 3804444 3804439
.020 .040 3804479 3804479 3804473 3804474 3804469
TriTech Single NiResist Piston LPF Cylinder KitPart No.(B) (3095705) (3095705) (3095756 (3095703) (3095759)
Std. 3804359 3804359 3804383 3804384 3804379
.020 .040 3804389 3804389 3804383 3804384 3804379
TriTech Plus Dual Ni Resist Piston LPF Cylinder KitPart No.(B) – – – – –
Std. – – – – –
.020 .040 – – – – –
TriTech Dual NiResist Piston LPF Cylinder KiPart No.(B) – – – – –
Std. – – – – –
.020 .040 – – – – –
CPL No. 69 70 71 75 76
Engine Model NTC335 NT855335 NT855310 NT335B1 NTA855R
Previous Piston Part # (3051555) (3051555) (3051555) (3051555) (3051557)
TriTech Plus Single NiResist Piston LPF Cylinder KitPart No. (B) (3095739) (3095739) (3095739) (3095739) (3095741)
Std. 3804444 3804444 3804444 3804444 3804449
.020 .040 3804474 3804474 3804474 3804474 3804479
TriTech Single NiResist Piston LPF Cylinder KitPart No. (B) (3095703) (3095703) (3095703) (3095703) (3095705)
Std. 3804354 3804354 3804354 3804354 3804359
.020 .040 3804384 3804384 3804384 3804384 3804389
TriTech Plus Dual NiResist Piston LPF Cylinder KitPart No.(B) – – – – –
Std. – – – – –
.020 .040 – – – – –
TriTech Dual NiResist Piston LPF Cylinder KitPart No.(B) – – – – –
Std. – – – – –
.020 .040 – – – – –
CPL No. 77 85 101 102(C)
104(C)
Engine Model NHTC270 NTC855M NTC290 NT280IF NT855310
Previous Piston Part # (3051555) (3051555) (3051555) (3017349) (3017349)
TriTech Plus Single NiResist Piston LPF Cylinder KitPart No. (B) (3095739) (3095739) (3095739) (3095756) (3095756)
Std. 3804444 3804444 3804444 3804443 3804443
.020 .040 3804474 3804474 3804474 3804473 3804473
TriTech Single NiResist Piston LPF Cylinder KitPart No.(B) (3095703) (3095703) (3095703) (3095756) (3095756)
Std. 3804354 3804354 3804354 3804353 3804353
.020 .040 3804384 3804384 3804384 3804383 3804383
TriTech Plus Dual NiResist Piston LPF Cylinder KitPart No.(B) – – – – –
Std. – – – – –
.020 .040 – – – – –
CPL No. 107 108 109 113 117(C)
Engine Model NTA855 NT855R NT855C335 NTC270 NHCT270
Previous Piston Part # (3051557) (3051555) (3051555) (3051555) (3017349)
TriTech Plus Single NiResist Piston LPF Cylinder KitPart No.(B) (3095741) (3095739) (3095739) (3095739) (3095756)
Std. 3804449 3804444 3804444 3804444 3804443
.020 .040 3804479 3804474 3804474 3804474 3804474
TriTech Single NiResist Piston LPF Cylinder KitPart No. (B) (3095705) (3095703) (3095703) (3095703) (3095756)
Std. 3804359 3804354 3804354 3804354 3804353
.020 .040 3804389 3804384 3804384 3804384 3804383
Part No.(B) – – – – –
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TriTech Plus Dual NiResist Piston LPF Cylinder Kit Std. – – – – –
.020 .040 – – – – –
TriTech Dual NiResist Piston LPF Cylinder KitPart No.(B) – – – – –
Std. – – – – –
.020 .040 – – – – –
CPL No. 120 121 123 132 135
Engine Model NT855280 NH230T NT280IF NTC335E NTA400
Previous Piston Part # (3051555) (3042320) (3051555) (3051555) (3051557)
TriTech Plug Single NiResist Piston LPF Cylinder KiPart No. (B) (3095739) (3095747) (3095739) (3095739) (3095741)
Std. 3804444 3804438 3804444 3804444 3804449
.020 .040 3804474 3804468 3804474 3804474 3804479
TriTech Single NiResist Piston LPF Cylinder KitPart No. (B) (3095703) (3095711) (3095703) (3095703) (3095705)
Std. 3804354 3804348 3804354 3804354 3804359
.020 .040 3804384 3804378 3804384 3804384 3804389
TriTech Plus Dual NiResist Piston LPF Cylinder KitPart No. (B) – – – – –
Std. – – – – –
.020 .040 – – – – –
TriTech Dual NiResist Piston LPF Cylinder KitPart No. (B) – – – – –
Std. – – – – –
.020 .040 – – – – –
CPL No. 144 146 147 152 154
Engine Model NTA855C380 NTA855C380 NTC350 NTA855C380 NTC350
Previous Piston Part # (3051555)(D)
(3051555)(D)
(3051555)(D)
(3051555)(D)
(3051555)(D)
TriTech Plus Single NiResist Piston LPF Cylinder KitPart No. (B) (3095739) (3095739) (3095739) (3095739) (3095739)
Std. 3804444 3804444 3804444 3804444 3804444
.020 .040 3804474 3804474 3804474 3804474 3804474
TriTech Single NiResist Piston LPF Cylinder KitPart No. (B) (3095703) (3095703) (3095703) (3095703) (3095703)
Std. 3804354 3804354 3804354 3804354 3804354
.020 .040 3804384 3804384 3804384 3804384 3804384
TriTech Plus Dual NiResist Piston LPF Cylinder KitPart No. (B) (3095062) (3095062) (3095062) (3095062) (3095062)
Std. 3804456 3804456 3804456 3804456 3804456
.020 .040 3804486 3804486 3804486 3804486 3804486
TriTech Dual NiResist Piston LPF Cylinder KitPart No. (B) – – – – –
Std. – – – – –
.020 .040 – – – – –
CPL No. 155 156 160 161 162
Engine Model NTC290R NTC290R NTC350 NT855GS/GC NTA400
Previous Piston Part # (3051555) (3051555) (3051555)(D) (3051555) (3051557)
TriTech Plus Single NiResist Piston LPF Cylinder KitPart No. (B) (3095739) (3095739) (3095739) (3095739) (3095741)
Std. 3804444 3804444 3804444 3804444 3804449
.020 .040 3804474 3804474 3804474 3804474 3804479
TriTech Single NiResist Piston LPF Cylinder KitPart No. (B) (3095703) (3095703) (3095703) (3095703) (3095705)
Std. 3804354 3804354 3804354 3804354 3804359
.020 .040 3804384 3804384 3804384 3804384 3804389
TriTech Plus Dual NiResist Piston LPF Cylinder KitPart No. (B) – – (3095062) – –
Std. – – 3804456 – –
.020 .040 – – 3804486 – –
TriTech Dual NiResist Piston LPF Cylinder KitPart No. (B) – – – – –
Std. – – – – –
.020 .040 – – – – –
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CPL No. 163 164(C) 166 168 170
(C)
Engine Model NTA370 N855250 NT855C310 NT855R2 N855
Previous Piston Part # (3051557) (3048650) (3051555)(D)
(3051555)(D) (3048650)
TriTech Plus Single NiResist Piston LPF Cylinder KitPart No. (B) (305741) (3095759) (3095739) (3095739) (3095759)
Std. 3804449 3804439 3804444 3804444 3804439
.020 .040 3804479 3804469 3804474 3804474 3804469
TriTech Single NiResist Piston LPF Cylinder KitPart No. (B) (3095705) (3095759) (3095703) (3095703) (3095759)
Std. 3804359 3804349 3804354 3804354 3804349
.020 .040 3804389 3804379 3804384 3804384 3804379
TriTech Plus Dual NiResist Piston LPF Cylinder KitPart No. (B) – – (3095062) (3095062) –
Std. – – 3804456 3804456 –
.020 .040 – – 3804486 3804486 –
TriTech NiResist Piston LPF Cylinder KitPart No. (B) – – – – –
Std. – – – – –
.020 .040 – – – – –
CPL No. 172(C)
173(C) 174 175 176
(C)
Engine Model NHC250 NT855280 NTC290F PT270 NTC250
Previous Piston Part # (3048650) (3017349) (3051555) (3051555) (3051553)
TriTech Plus Single NiResist Piston LPF Cylinder KitPart No. (B) (3095759) (3095756) (3095739) (3095739) (3095757)
Std. 3804349 3804443 3804444 3804444 3804436
.020 .040 3804469 3804473 3804474 3804474 3804466
TriTech Single NiResist Piston LPF Cylinder KitPart No. (B) (3095759) (3095756) (3095703) (3095703) (3095757)
Std. 3804349 3804353 3804354 3804354 3804346
.020 .040 3804379 3804383 3804384 3804384 3804376
TriTech Plus Dual NiResist Piston LPF Cylinder KitPart No. (B) – – – – –
Std. – – – – –
.020 .040 – – – – –
TriTech Dual NiResist Piston LPF Cylinder KitPart No. (B) – – – – –
Std. – – – – –
.020 .040 – – – – –
CPL No. 178 180 181 182 187
Engine Model NTC230 NT855280 PT270 NTC335 NTC290
Previous Piston Part # (3051553) (3051555) (3051555) (3051555) (3051555)
TriTech Plus Single NiResist Piston LPF Cylinder KitPart No. (B) (3095757) (3095739) (3095739) (3095739) (3095739)
Std. 3804436 3804444 3804444 3804444 3804444
.020 .040 3804466 3804474 3804474 3804474 3804474
TriTech Single NiResist Piston LPF Cylinder KitPart No. (B) (3095757) (3095703) (3095703) (3095703) (3095703)
Std. 3804346 3804354 3804354 3804354 3804354
.020 .040 3804376 3804384 3804384 3804384 3804384
TriTech Plus Dual NiResist Piston LPF Cylinder KitPart No. (B) – – – – –
Std. – – – – –
.020 .040 – – – – –
TriTech Dual NiResist Piston LPF Cylinder KitPart No. (B) – – – – –
Std. – – – – –
.020 .040 – – – – –
CPL No. 188(C)
189(C) 190 196 197
Engine Model NTC230 NTC250 NTCC335 NTC350Y NTC335
Previous Piston Part # (3051553) (3051553) (3051555) (30551555)(D)
(3051555)
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TriTech Plus Single NiResist Piston LPF Cylinder KitPart No. (B) (3095757) (3095757) (3095739) 3095739) (3095739)
Std. 3804436 3804436 3804444 3804444 3804444
.020 .040 3804466 3804466 3804474 3804474 3804474
TriTech Single NiResist Piston LPF Cylinder KitPart No. (B) (3095757) (3095757) (3095703) (3095703) (3095703)
Std. 3804346 3804346 3804354 3804354 3804354
.020 .040 3804376 3804376 3804384 3804384 3804384
TriTech Plus Dual NiResist Piston LPF Cylinder KitPart No. (B) – – – (3095062) –
Std. – – – 3804456 –
.020 .040 – – – 3804486 –
TriTech Dual NiResist Piston LPF Cylinder KitPart No. (B) – – – – –
Std. – – – – –
.020 .040 – – – – –
CPL No. 198 199(C)
200(C) 201 202
Engine Model NTC335 NTC290 N855B NT855 NTA855GS/GC
Previous Piston Part # (3051555)(D) (3051553) (3048650) (3051555) (3051557)
TriTech Plus Single NiResist Piston LPF Cylinder KitPart No. (B) (3095739) (3095757) (3095759) (3095759) (3095741)
Std. 3804444 3804436 3804439 3804444 3804449
.020 .040 3804474 3804466 3804469 3804474 3804479
TriTech Single NiResist Piston LPF Cylinder KitPart No. (B) (3095703) (3095757) (3095759) (3095703) (3095705)
Std. 3804354 3804346 3804349 3804354 3804359
.020 .040 3804384 3804376 3804379 3804384 3804389
TriTech Plus Dual NiResist Piston LPF Cylinder KitPart No. (B) (3095062) – – – –
Std. 3804456 – – – –
.020 .040 3804486 – – – –
TriTech Dual NiResist Piston LPF Cylinder KitPart No. (B) – – – – –
Std. – – – – –
.020 .040 – – – – –
CPL No. 204 205 207 214(C) 215
Engine Model NTCC350 NTA400 PT270 N855C250 NTCE290
Previous Piston Part # (3051555)(D) (3051557) (3051555) (3048650) (3051555)
TriTech Plug Single NiResist Piston LPF Cylinders KitPart No. (B) (3095739) (3095741) (3095739) (3095759) (3095739)
Std. 3804444 3804449 3804444 3804439 3804444
.020 .040 3804474 3804479 3804474 3804469 3804474
TriTech Single NiResist Piston LPF Cylinder KitPart No. (B) (3095703) (3095705) (3095703) (3095759) (3095703)
Std. 3804354 3804359 3804354 3804349 3804354
.020 .040 3804384 3804389 3804384 3804379 3804384
TriTech Plus Dual NiResist Piston LPF Cylinder KitPart No. (B) (3095062) – – – –
Std. 3804456 – – – –
.020 .040 3804486 – – – –
TriTech Dual NiResist Piston LPF Cylinder KitPart No. (B) – – – – –
Std. – – – – –
.020 .040 – – – – –
CPL No. 217(C)
220(C)
221(C)
222(C) 226
Engine Model NTC290 NTC230 NTC250E NTC250 NTA855380
Previous Piston Part # (3051553) (3051553) (3051553) (3051553) (3051555)(D)
TriTech Plus Single NiResist Piston LPF Cylinder Kit
Part N0. (B) (3095757) (3095757) (3095757) (3095757) (3095739)
Std. 3804436 3804436 3804436 3804436 3804444
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.020 .040 3804466 3804466 3804466 3804466 3804474
TriTech Single NiResist Piston LPF Cylinder KitPart No. (B) (3095757) (3095757) (3095757) (3095757) (3095703)
Std. 3804346 3804246 3804346 3804346 3804354
.020 .040 3804376 3804376 3804376 3804376 3804384
TriTech Plus Dual NiResist Piston LPF Cylinder KitPart No. (B) – – – – (3095062)
Std. – – – – 3804456
.020 .040 – – – – 3804486
TriTech Dual NiResist Piston LPF Cylinder KitPart No. (B) – – – – –
Std. – – – – –
.020 .040 – – – – –
CPL No. 227 230 233(C) 246 248
Engine Model NTC290 NTCE240 NTC290 NTFE295 NTC350
Previous Piston Part # (3051555) (3051553) (3051553) (3051555) (3051555)(D)
TriTech Plus Single NiResist Piston LPF Cylinder KitPart No. (B) (3095739) (3095757) (3095757) (3095739) (3095739)
Std. 3804444 3804436 3804436 3804444 3804444
.020 .040 3804474 3804466 3804466 3804474 3804474
TriTech Single NiResist Piston LPD Cylinder KitPart No. (B) (3095703) (3095757) (3095757) (3095703) (3095703)
Std. 3804354 3804346 3804346 3804354 3804354
.020 .040 3804384 3804376 3804376 3804384 3804384
TriTech Plus Dual NiResist Piston LPF Cylinder KitPart No. (B) – – – – (3095062)
Std. – – – – 3804456
.020 .040 – – – – 3804486
TriTech Dual NiResist Piston LPF Cylinder KitPart No. (B) – – – – –
Std. – – – – –
.020 .040 – – – – –
CPL No. 249(C) 250 254 255
(C) 256
Engine Model NTCC290 NTCC350 NTC350 N855 NT855
Previous Piston Part # (3051553) (3051554) (3051554) (3048650) (3051555)
TriTech Plus Single NiResist Piston LPF Cylinder KitPart No. (B) (3095757) (3095738) (3095738) (3095759) (3095739)
Std. 3804436 3804441 3804441 3804439 3804444
.020 .040 3804376 3804381 3804381 3804379 3804384
TriTech Single NiResist Piston LPF Cylinder KitPart No. (B) (3095757) (3095702) (3095702) (3095759) (3095703)
Std. 3804346 3804351 3804351 3804349 3804354
.020 .040 3804376 3804381 3804381 3804379 3804384
TriTech Plus Dual NiResist Piston LPF Cylinder KitPart No. (B) – – – – –
Std. – – – – –
.020 .040 – – – – –
TriTech Dual NiResist Piston LPF Cylinder KitPart No. (B) – – – – –
Std. – – – – –
.020 .040 – – – – –
CPL No. 258(C) 259 260 266 267
Engine Model N855 NTA855C420 NTA855 NTC350 NTC400
Previous Piston Part # (3048650) (3051557) 3051555)(D) (3051554) (3051555)
(D)
TriTech Plus Single NiResist Piston LPF Cylinder KitPart No. (B) (3095759) (3095741) (3095739) (3095738) (3095739)
Std. 3804439 3804449 3804444 3804441 3804444
.020 .040 3804469 3804479 3804474 3804471 3804474
TriTech Single NiResist Piston LPF Cylinder Kit
Part No. (B) (3095759) (3095705) (3095703) (3095702) (3095703)
Std. 3804349 3804359 3804354 3804351 3804354
Page 9
.020 .040 3804379 3804389 3804384 3804381 3804384
TriTech Plus Dual NiResist Piston LPF Cylinder KitPart No. (B) – – (3095062) – (3095062)
Std. – – 3804456 – 3804456
.020 .040 – – 3804486 – 3804486
TriTech Dual NiResist Piston LPF Cylinder KitPart No. (B) – – – – –
Std. – – – – –
.020 .040 – – – – –
CPL No. 270(C)
271(C) 272 276 277
Engine Model NTCC230 NT855C250 NTA855 NT855L3 NTCC250
Previous Piston Part # (3051553) (3048650 (3051557) (3051555) (3051554)
TriTech Plus Single NiResist Piston LPF Cylinder KitPart No. (B) (3095757) (3095759) (3095741) (3095739) (3095738)
Std. 3804436 3804439 3804449 3804444 3804441
.020 .040 3804466 3804469 3804479 3704474 3804471
TriTech Single NiResist Piston LPF Cylinder KitPart No. (B) (3095757) (3095759) (3095705) (3095703) (3095702)
Std. 3804346 3804349 3804359 3804354 3804351
.020 .040 3804376 3804379 3804389 3804384 3804381
TriTech Plus Dual NiResist Piston LPF Cylinder KitPart No. (B) – – – – –
Std. – – – – –
.020 . 040 – – – – –
TriTech Dual NiResist Piston LPF Cylinder KitPart No. (B) – – – – –
Std. – – – – –
.020 .040 – – – – –
CPL No. 278 281 288 294 298
Engine Model NTC350 NTCC400 NT855R4 NTCC350 NTC350
Previous Piston Part # (3051555)(D)
(3051555)(D)
(3051555)(D)
(3051554)(D)
(3051554)(D)
TriTech Plus Single NiResist Piston LPF Cylinder KitPart No. (B) (3095739) (3095739) (3095739) (3095738) (3095738)
Std. 3804444 3804444 3804444 3804441 3804441
.020 .040 3804474 3804474 3804474 3804471 3804471
TriTech Single NiResist Piston LPF Cylinder KitPart No. (B) (3095703) (3095703) (3095703) (3095702) (3095702)
Std. 3804354 3804354 3804354 3804351 3804351
.020 .040 3804384 3804384 3804384 3804381 3804381
TriTech Plus Dual NiResist Piston LPF Cylinder KitPart No. (B) (3095062) (3095062) (3095062) (3095061) (3095061)
Std. 3804456 3804456 3804456 3804453 3804453
.020 .040 3804486 3804486 3804486 3804483 3804483
TriTech Dual NiResist Piston LPF Cylinder KitPart No. (B) – – – – –
Std. – – – – –
.020 .040 – – – – –
CPL No. 299 300 306 307 308
Engine Model NTCE365 NT855GS/GC NTCC290 NTC350 NTCC350
Previous Piston Part # (3051555)(D) (3051555) (3051554
(D)(3051555)(D)
(3051555)(D)
TriTech Plus Single NiResist Piston LPF Cylinder KitPart No. (B) (3095739) (3095739) (3095738) (3095739) (3095739)
Std. 3804444 3804444 3804441 3804444 3804444
.020 .040 3804474 3804474 3804471 3804474 3804474
TriTech Single NiResist Piston LPF Cylinder KitPart No. (B) (3095703) (3095703) (3095702) (3095703) (3095703)
Std. 3804354 3804354 3804351 3804354 3804354
.020 .040 3804384 3804384 3804381 3804384 3804384
TriTech Plus Dual NiResist Piston LPF Cylinder KitPart No. (B) (3095062) – (3095061) (3095062) (3095062)
Std. 3804456 – 3804453 3804456 3804456
.020 .040 3804486 – 3804483 3804486 3804486
Part No. (B) – – – – –
Page 10
TriTech Dual NiResist Piston LPF Cylinder Kit Std. – – – – –
.020 .040 – – – – –
CPL No. 309 310 312(C) 314 315
Engine Model NTC350 NTCC400 N855M NTC350Y NTC350
Previous Piston Part # (3051555)(D)
(3051555)(D) (3048650) (3051555)
(D)(3051554)(D)
TriTech Plus Single NiResist Piston LPF Cylinder KitPart No. (B) (3095739) (3095739) (3095759) (3095739) (3095738)
Std. 3804444 3804444 3804439 3804444 3804441
.020 .040 3804474 3804474 3804469 3804474 3804471
TriTech Single NiResist Piston LPF Cylinder KitPart No. (B) (3095703) (3095703) (3095759) (3095703) (3095702)
Std. 3804354 3804354 3804349 3804354 3804351
.020 .040 3804384 3804384 3804379 3804384 3804381
TriTech Plus Dual NiResist Piston LPF Cylinder KitPart No. (B) (3095062) (3095062) – (3095062) (3095061)
Std. 3804456 3804456 – 3804456 3804453
.020 .040 3804486 3804486 – 3804486 3804483
TriTech Dual NiResist Piston LPF Cylinder KitPart No. (B) – – – – –
Std. – – – – –
.020 .040 – – – – –
CPL No. 316 317 318 319 320
Engine Model NTA855P400 NTA855P360 NT855P335 NTA855GS/C NTE290
Previous Piston Part # (3051557) (3051555)(D) (3051555) (3051557) (3051554)
TriTech Plus Single NiResist Piston LPF Cylinder KitPart No. (B) (3095741) (3095739) (3095739) (3095741) (3095738)
Std. 3804449 3804444 3804444 3804449 3804441
.020 .040 3804479 3804474 3804474 3804479 3804471
TriTech Single NiResist Piston LPF Cylinder KitPart No. (B) (3095705) (3095703) (3095703) (3095705) (3095702)
Std. 3804359 3804354 3804354 3804359 3804351
.020 .040 3804389 3804384 3804384 3804389 3804381
TriTech Plus Dual NiResist Piston LPF Cylinder KitPart No. (B) – (3095062) – – –
Std. – 3804456 – – –
.020 .040 – 3804486 – – –
TriTech Dual NiResist Piston LPF Cylinder KitPart No. (B) – – – – –
std. – – – – –
.020 .040 – – – – –
CPL No. 322(C)
323(C) 324 325 326
Engine Model NTC290 NTC250 NTC400 NT855M NTA855M
Previous Piston Part # (3051553) (3051553) (305155)(D) (3051555) (3051555)
TriTech Plus Single NiResist Piston LPF Cylinder KitPart No. (B) (3095757) (3095757) (3095739) (3095739) (3095739)
Std. 3804436 3804436 3804444 3804444 3804444
.020 .040 3804466 3804466 3804474 3804474 3804474
TriTech Single NiResist Piston LPF Cylinder KitPart No. (B) (3095757) (3095757) (3095703) (3095703) (3095703)
Std. 3804346 3804346 3804354 3804354 3804354
.020 .040 3804376 3804376 3804384 3804384 3804384
TriTech Plus Dual NiResist Piston LPF Cylinder KitPart No. (B) – – (3095062) – –
Std. – – 3804456 – –
.020 .040 – – 3804486 – –
TriTech Dual NiResist Piston LPF Cylinder KitPart No. (B) – – – – –
Std. – – – – –
.020 .040 – – – – –
Page 11
CPL No. 327 328 329 330 331
Engine Model NTC350 NTCC350 NTC350 NTC475 NTA380
Previous Piston Part # (3051555)(D)
(3051555)(D)
(3051555)(D) (3031227) (3051555)
TriTech Plus Single NoResist Piston LPF Cylinder KitPart No. (B) (3095739) (3095739) (3095739) (3095742) (3095739)
Std. 3804444 3804444 3804444 3804448 3804444
.020 .040 3804474 3804474 3804474 3804478 3804474
TriTech Single NiResist Piston LPF Cylinder KitPart No. (B) (3095703) (3095703) (3095703) (3095706) (3095703)
Std. 3804354 3804354 3804354 3804358 3804354
.020 .040 3804384 3804384 3804384 3804388 3804384
TriTech Plus Dual NiResist Piston LPF Cylinder KitPart No. (B) (3095062) (305062) (3095062) – –
Std. 3804456 3804456 3804456 – –
.020 .040 3804486 3804486 3804486 – –
TriTech Dual NiResist Piston LPF Cylinder KitPart No. (B) – – – – –
Std. – – – – –
.020 .040 – – – – –
CPL No. 332 338 339 344(C)
345(C)
Engine Model NTCC290 NTC290 NTC350 NTC290 NTC250
Previous Piston Part # (3051555)(D) (3051554) (3051555)
(D) (3051553) (3051553)
TriTech Plus Single NiResist Piston LPF Cylinder KitPart No. (B) (3095739) (3095739) (3095739) (3095742) (3095739)
Std. 3804444 3804441 3804444 3804436 3804436
.020 .040 3804474 3804471 3804474 3804466 3804466
TriTech Single NiResist Piston LPF Cylinder KitPart No. (B) (3095703) (3095702) (3095703) (3095757) (3095757)
Std. 3804354 3804351 3804354 3804346 3804346
.020 .040 3804384 3804381 3804384 3804376 3804376
TriTech Plus Dual NiResist Piston LPF Cylinder KitPart No. (B) (3095062) – (3095062) – –
Std. 3804456 – 3804456 – –
.020 .040 3804486 – 3804486 – –
TriTech Dual NiResist Piston LPF Cylinder KitPart No. (B) – – – – –
Std. – – – – –
.020 .040 – – – – –
CPL No. 346 347 348 349 353
Engine Model NT855 NTC350 NTC370 NTC400 NTC290
Previous Piston Part # (3051555) (3051555)(D)
(3051555)(D)
(3051555)(D) (3051554)
TriTech Plus Single NiResist Piston LPF Cylinder KitPart No. (B) (3095739) (3095739) (3095739) (3095739) (3095738)
Std. 3804444 3804444 3804444 3804444 3804441
.020 .040 3804474 3804474 3804474 3804474 3804471
TriTech Single NiResist Piston LPF Cylinder KitPart No. (B) (3095703) (3095703) (3095703) (3095703) (3095702)
Std. 3804354 3804354 3804354 3804354 3804351
.020 .040 3804384 3804384 3804384 3804384 3804381
TriTech Plus Dual NiResist Piston LPF Cylinder KitPart No. (B) – (3095062) (3095062) (3095062) –
Std. – 3804456 3804456 3804456 –
.020 .040 – 3804486 3804486 3804486 –
TriTech Dual NiResist Piston LPF Cylinder KitPart No. (B) – – – – –
Std. – – – – –
.020 .040 – – – – –
CPL No. 354 356 357 358 359
Engine Model NTC250 N855 N855 NT855C NT855
Previous Piston Part # (3051554) (3051554) (3051554) (3051554) (3051555)
Part No. (B) (3095738) (3095738) (3095738) (3095738) (3095739)
Page 12
TriTech Plus Single NiResist Piston LPF Cylinder Kit Std. 3804441 3804441 3804441 3804441 3804474
.020 .040 3804471 3804471 3804471 3804471 3804474
TriTech Single NiResist Piston LPF Cylinder KitPart No. (B) (3095702) (3095702) (3095702) (3095702) (3095703)
Std. 3804351 3804351 3804351 3804351 3804354
.020 .040 3804381 3804381 3804381 3804381 3804384
TriTech Plus Dual NiResist Piston LPF Cylinder KitPart No. (B) – – – – –
Std. – – – – –
.020 .040 – – – – –
TriTech Dual NiResist Piston LPF Cylinder KitPart No. (B) – – – – –
Std. – – – – –
.020 .040 – – – – –
CPL No. 360 362 353 364 365
Engine Model NT855 NT855P NTA360 NTA855P NTA855
Previous Piston Part # (3051555) (3051555) (3051555)(D)
(3051555)(D)
(3051555)(D)
TriTech Plus Single NiResist Piston LPF Cylinder KitPart No. (B) (3095739) (3095739) (3095739) (3095739) (3095739)
Std. 3804444 3804444 3804444 3804444 3804444
.020 .040 3804474 3804474 3804474 3804474 3804474
TriTech NiResist Piston LPF Cylinder KitPart No. (B) (3095703) (3095703) (3095703 (3095703) (3095703)
Std. 3804354 3804354 3804354 3804354 3804354
.020 .040 3804384 3804384 3804384 3804384 3804384
TriTech Plus Dual NiResist Piston LPF Cylinder KitPart No. (B) – – (3095062) (3095062) (3095062)
Std. – – 3804456 3804456 3804456
.020 .040 – – 3804486 3804486 3804486
TriTech Dual NiResist Piston LPF Cylinder KitPart No. (B) – – – – –
Std. – – – – –
.020 .040 – – – – –
CPL No. 366 369 370 371(C)
372(C)
Engine Model NTA855 NTC350 NTCE290 NTCE250 NTC230
Previous Piston Part # (3051555)(D)
(3051555)(D) (3051555) (3051553) (3051553)
TriTech Plus Single NiResist Piston LPF Cylinder KitPart No. (3095739) (3095739) (3095739) (3095757) (3095757)
Std. 3804444 3804444 3804444 3804436 3804436
.020 .040 3804474 3804474 3804474 3804466 3804466
TriTech Single NiResist Piston LPF Cylinder KitPart No. (B) (3095703) (3095703) (3095703) (3095757) (3095757)
Std. 3804354 3804354 3804354 3804346 3804346
.020 .040 3804384 3804384 3804384 3804376 3804376
TriTech Plus Dual NiResist Piston LPF Cylinder KitPart No. (B) (3095062) (3095062) – – –
Std. 3804456 3804456 – – –
.020 .040 3804486 3804486 – – –
TriTech Dual NiResist Piston LPF Cylinder KitPart No. (B) – – – – –
Std. – – – – –
.020 .040 – – – – –
CPL No. 373(C)
374(C) 375 376
(A) 377
Engine Model NTC250 NTC290 NTC350 NTC400 NTE290
Previous Piston Part # (3051553) (3051553) (3051555)(D)
(3051555)(D) (3051554)
TriTech Plus Single NiResist Piston LPF Cylinder KitPart No. (B) (3095757) (3095757) (3095739) (3095739) (3095738)
Std. 3804436 3804436 3804444 3804444 3804441
.020 .040 3804466 3804466 3804474 3804474 3804471
Part No. (B) (3095757) (3095757) (3095703) (3095703) (3095702)
Page 13
TriTech Single NiResist Piston LPF Cylinder Kit Std. 3804346 3804346 3804354 3804354 3804351
.020 .040 3804376 3804376 3804384 3804384 3804381
TriTech Plus Dual NiResist Piston LPF Cylinder KitPart No. (B) – – (3095062) (3095062) –
Std. – – 3804456 3804456 –
.020 .040 – – 3804486 3804486 –
TriTech Dual NiResist Piston LPF Cylinder KitPart No. (B) – – – – –
Std. – – – – –
.020 .040 – – – – –
CPL No. 380 381 382 384 391
Engine Model NTCC290 NTCC350 NTCC400 NTC350 NTE370
Previous Piston Part # (3051554)(D)
(3051554)(D)
(3051555)(D)
(3051555)(D)
(3051555)(D)
TriTech Plus Single NiResist Piston LPF Cylinder KitPart No. (B) (3095738) (3095738) (3095739) (3095739) (3095739)
Std. 3804441 3804441 3804444 3804444 3804444
.020 .040 3804471 3804471 3804474 3804474 3804474
TriTech Single NiResist Piston LPF Cylinder KitPart No. (B) (3095702) (3095702) (3095703) (3095703) (3095703)
Std. 3804351 3804351 3804354 3804354 3804354
.020 .040 3804381 3804381 3804384 3804384 3804384
TriTech Plus Dual NiResist Piston LPF Cylinder KitPart No. (B) (3095061) (3095061) (3095062) (3095062) (3095062)
Std. 3804456 3804456 3804453 3804453 3804453
.020 .040 3804483 3804483 3804486 3804486 3804486
TriTech Dual NiResist Piston LPF Cylinder KitPart No. (B) – – – – –
Std. – – – – –
.020 .040 – – – – –
CPL No. 392 393(A) 394 395 396
Engine Model NTE350 NTC400 NT855M NTA855M NTA855GS/G
Previous Piston Part # (3051555)(D)
(3051555)(D) (3051555) (3051555)
(D) (3051557)
TriTech Plus Single NiResist Piston LPF Cylinder KitPart No. (B) (3095739) (3095739) (3095739) (3095739) (3095741)
Std. 3804444 3804444 3804444 3804444 3804449
.020 .040 3804474 3804474 3804474 3804474 3804479
TriTech Single NiResist Piston LPF Cylinder KitPart No. (B) (3095703) (3095703) (3095703) (3095703) (3095705)
Std. 3804354 3804354 3804354 3804354 3804359
.020 .040 3804384 3804384 3804384 3804384 3804389
TriTech Plus Dual NiResist Piston LPF Cylinder KitPart No. (B) (3095062) (3095062) – (3095062) –
Std. 3804456 3804456 – 3804456 –
.020 .040 3804486 3804486 – 3804486 –
TriTech Dual NiResist Piston LPF Cylinder KitPart No. (B) – – – – –
Std. – – – – –
.020 .040 – – – – –
CPL No. 397 402 407(C)
408(C)
413(C)
Engine Model NTA855 GS/C NTC290 NTC230 NTCC230 N855
Previous Piston Part # (3051557) (3051554) (3017438) (3017348) (3048650)
TriTech Plus Single NiResist Piston LPF Cylinder KitPart No. (B) (3095741) (3095738) (3095755) (3095755) (3095759)
Std. 3804449 3804441 3804440 3804440 3804439
.020 .040 3804479 3804471 3804470 3804470 3804469
TriTech Single NiResist Piston LPF Cylinder KitPart No. (B) (3095705) (3095702) (3095755) (3095755) (3095759)
Std. 3804359 3804351 3804350 3804350 3804349
.020 .040 3804389 3804381 3804380 3804380 3804379
TriTech Plus Dual NiResist Piston LPF Cylinder KitPart No. (B) – – – – –
Std. – – – – –
Page 14
.020 .040 – – – – –
TriTech Dual NiResist Piston LPF Cylinder KitPart No. (B) – – – – –
Std. – – – – –
.020 .040 – – – – –
CPL No. 414 416 419 431 432
Engine Model NTC300 NTA855400 NTE350 NTC350 NTC290
Previous Piston Part # (3051554) (3051557) (3051555)(D)
(3051555)(D)
(3051554)(D)
TriTech Plus Single NiResist Piston LPF Cylinder KitPart No. (B) (3095738) (3095741) (3095739) (3095739) (3095738)
Std. 3804441 3804449 3804444 3804444 3804441
.020 .040 3804471 3804479 3804474 3804474 3804471
TriTech Single NiResist Piston LPF Cylinder KitPart No. (B) (3095702) (3095705) (3095703) (3095703) (3095702)
Std. 3804351 3804359 3804354 3804354 3804351
.020 .040 3804381 3804389 3804384 3804384 3804381
TriTech Plus Dual NiResist Piston LPF Cylinder KitPart No. (B) – – (3095062) (3095062) (3095061)
Std. – – 3804456 3804456 3804453
.020 .040 – – 3804486 3804486 3804483
TriTech Dual NiResist Piston LPF Cylinder KitPart No. (B) – – – – –
Std. – – – – –
.020 .040 – – – – –
CPL No. 433 435 436 437(C)
448(C)
Engine Model NTC300 NTE370 NTC350 NT250 NTCC230
Previous Piston Part No. (3051554)(D)
(3051555)(D)
(3051555)(D) (3048650) (3048650)
TriTech Plus Single NiResist Piston LPF Cylinder KitPart No. (B) (3095738) (3095739) (3095739) (3095759) (3095759)
Std. 3804441 3804444 3804444 3804439 3804439
.020 .040 3804471 3804474 3804474 3804469 3804469
TriTech Single NiResist Piston LPF Cylinder KitPart No. (B) (3095702) (3095703) (3095703) (3095759) (3095759)
Std. 3804351 3804354 3804354 3804349 3804349
.020 .040 3804381 3804384 3804384 3804379 3804379
TriTech Plus Dual NiResist Piston LPF Cylinder KitPart No. (B) (3095061) (3095062) (3095062) – –
Std. 3804453 3804456 3804456 – –
.020 .040 3804483 3804486 3804486 – –
TriTech Dual NiResist Piston LPF Cylinder KitPart No. (B) – – – – –
Std. – – – – –
.020 .040 – – – – –
CPL No. 449(A) 450 454 455 456
Engine Model NTC400 NTC350 NTCC400 NTCC350 NTCC300
Previous Piston Part # (3051556) (3051555)(D)
(3051555)(D)
(3051555)(D)
(3051554)(D)
TriTech Plus Single NiResist Piston LPF Cylinder KitPart No. (B) (3095740) (3095739) (3095739) (3095739) (3095738)
Std. 3804447 3804444 3804444 3804444 3804441
.020 .040 3804477 3804474 3804474 3804474 3804471
TriTech Single NiResist Piston LPF Cylinder KitPart No. (B) (3095704) (3095703) (3095703) (3095703) (3095702)
Std. 3804357 3804354 3804354 3804354 3804351
.020 .040 3804387 3804384 3804384 3804384 3804381
TriTech Plus Dual NiResist Piston LPF Cylinder Kit
Part No. (B) – (3095062) (3095062) (3095062) (3095061)
Std. – 3804456 3804456 3804456 3804453
.020 .040 – 3804486 3804486 3804486 3804483
TriTech Dual NiResist Piston LPF Cylinder KitPart No. (B) – – – – –
Std. – – – – –
Page 15
.020 .040 – – – – –
CPL No. 457 458 459 460 461
Engine Model NTCC400 NTCC350 NTCC300 NT855GS/GC NT855GS/GC
Previous Piston Part # (3051555)(D)
(3051555)(D) (3051554) (3051555) (3051555)
TriTech Plus Single NiResist Piston LPF Cylinder KitPart No. (B) (3095739) (3095739) (3095738) (3095739) (3095739)
Std. 3804444 3804444 3804441 3804444 3804444
.020 .040 38004474 3804474 3804471 3804474 3804474
TriTech Single NiResist Piston LPF Cylinder KitPart No. (B) (3095703) (3095703) (3095702) (3095703) (3095703)
Std. 3804354 3804354 3804351 3804354 3804354
.020 .040 3804384 3804384 3804381 3804384 3804384
TriTech Plus Dual NiResist Piston LPF Cylinder KitPart No. (B) (3095062) (3095062) – – –
Std. 3804456 3804456 – – –
.020 .040 3804486 3804486 – – –
TriTech Dual NiResist Piston LPF Cylinder KitPart No. (B) – – – – –
Std. – – – – –
.020 .040 – – – – –
CPL No. 462 463 469 470 471 472
Engine Model NTA360 NT855 NTA855P NT855 NTC300 NTC250
Previous Piston Part # (3051555)(D) (3051555) (3051555)
(D) (3051555) (3042320)(D) (3051554)
TriTech Plus Single NiResist Piston LPF Cylinder KitPart No. (B) (3095739) (3095739) (3095739) (3095739) (3095747) (3095738)
Std. 3804444 3804444 3804444 3804444 3804438 3804441
.020 .040 3804474 3804474 3804474 3804474 3804468 3804471
TriTech Single NiResist Piston LPF Cylinder KitPart No. (B) (3095703) (3095703) (3095703) (3095703) (3095711) (3095702)
Std. 3804354 3804354 3804354 3804354 3804348 3804351
.020 .040 3804384 3804384 3804384 3804384 3804378 3804381
TriTech Plus Dual NiResist Piston LPF Cylinder KitPart No. (B) (3095062) – (3095062) – (3095063) –
Std. 3804456 – 3804456 – 3804451 –
.020 .040 3804486 – 3804486 – 3804481 –
TriTech Dual NiResist Piston LPF Cylinder KitPart No. (B) – – – – – –
Std. – – – – – –
.020 .040 – – – – – –
CPL No. 473 479 481 482 483
Engine Model NTC290 NTE290 NTC400 NTC350 NTC350
Previous Piston Part # (3051554) (3051554) (3051556)(D)
(3051556)(D)
(3051555)(D)
TriTech Plus Single NiResist Piston LPF Cylinder KitPart No. (B) (3095738) (3095738) (3095740) (3095740) (3095739)
Std. 3804351 3804351 3804357 3804357 3804354
.020 .040 3804381 3804381 3804387 3804387 3804384
TriTech Plus Dual NiResist Piston LPF Cylinder KitPart No. (B) – – (3095060) (3095060) (3095062)
Std. – – 3804458 3804458 3804456
.020 .040 – – 304488 3804488 3804486
TriTech Dual NiResist Piston LPF Cylinder KitPart No. (B) – – – – –
Std. – – – – –
.020 .040 – – – – –
CPL No. 485 488(C) 491 492 494
Engine Model NTC300 NTC230 NTC270 NTC270 NHHTCC290
Previous Piston Part # (3051554)(D) (3017348) (3051554) (3051554) (3051554)
(D)
Part No. (B) (3095738) (3095755) (3095738) (3095738) (3095738)
Page 16
TriTech Plus Single NiResist Piston LPF Cylinder Kit Std. 3804441 3804440 3804441 3804441 3804441
.020 .040 3804471 3804470 3804471 3804471 3804471
TriTech Single Ni Resist Piston LPF Cylinder KitPart No. (B) (3095702) (3095755) (3095702) (3095702) (3095702)
Std. 3804351 3804350 3804351 3804351 3804351
.020 .040 3804381 3804380 3804381 3804381 3804381
TriTech Plus Dual NiResist Piston LPF Cylinder KitPart No. (B) (3095061) – – – (3095061)
Std. 3804453 – – – 3804453
.020 .040 3804483 – – – 3804483
TriTech Dual NiResist Piston LPF Cylinder KitPart No. (B) – – – – –
Std. – – – – –
.020 .040 – – – – –
CPL No. 495 497(A)
498(C) 499 500
Engine Model NHHTCC350 NTC240 NTC240 NT855 NTE370
Previous Piston Part # (3051555)(D) (3017348) (3048650) (3051554) (3051556)
(D)
TriTech Plus Single NiResist Piston LPF Cylinder KitPart No. (B) (3095739) (3095755) (309559) (3095738) (3095740)
Std. 3804444 3804440 3804439 3804441 3804447
.020 .040 3804474 3804470 3804469 3804471 3804477
TriTech Single NiResist Piston LPF Cylinder KitPart No. (B) (3095703) (3095755) (3095759) (3095702) (3095704)
Std. 3804354 3804350 3804349 3804351 3804357
.020 .040 3804384 3804380 3804379 3804381 3804387
TriTech Plus Dual NiResist Piston LPF Cylinder KitPart No. (B) (3095062) – – – (3095060)
Std. 3804456 – – – 3804458
.020 .040 3804486 – – – 3804488
TriTech Dual NiResist Piston LPF Cylinder KitPart No. (B) – – – – –
Std. – – – – –
.020 .040 – – – – –
CPL No. 506 509 510 511 516
Engine Model Fleet270 NTC350 NTC400 NT855C NTC350
Previous Piston Part # (3042320)(D)
(3051555)(D)
(3051556)(D)
(3051555)(D)
(3051554)(D)
TriTech Plus Single NiResist Piston LPF Cylinder KitPart No. (B) (3095747) (3095739) (3095740) (3095739) (3095739)
Std. 3804438 3804444 3804447 3804444 3804444
.020 .040 3804468 3804474 3804477 3804474 3804474
TriTech Single NiResist Piston LPF Cylinder KitPart No. (B) (3095711) (3095703) (3095704) (3095703) (3095703)
Std. 3804348 3804354 3804357 3804354 3804354
.020 .040 3804378 3804384 3804387 3804384 3804384
TriTech Plus Dual NiResist Piston LPF Cylinder KitPart No. (B) (3095063) (3095062) (3095060) (3095062) (3095062)
Std. 3804451 3804456 3804458 3804456 3804456
.020 .040 3804481 3804486 3804488 3804486 3804486
TriTech Dual NiResist Piston LPF Cylinder KitPart No. (B) – – – – –
Std. – – – – –
.020 .040 – – – – –
CPL No. 517 518 523 529(A) 530
Engine Model NTA855C NTC475 NTTA855 NTC300 NTC350
Previous Piston Part # (3051554)(D) (3031227) (3031227) (3042320)
(D)(3051555)(D)
TriTech Plus Single NiResist Piston LPF Cylinder Kit
Part No. (B) (3095738) (3095742) (3095742) (3095747) (3095739)
Std. 3804441 3804448 3804448 3804438 3804444
.020 .040 3804471 3804478 3804478 3804468 3804474
Part No. (B) (3095702) (3095706) (3095706) (3095711) (3095703)
Page 17
TriTech Single NiResist Piston LPF Cylinder Kit Std. 3804351 3804358 3804358 3804348 3804354
.020 .040 3804381 3804388 3804388 3804378 3804384
TriTech Plus Dual NiResist Piston LPF Cylinder KitPart No. (B) (3095061) – – (3095063) (3095062)
Std. 3804453 – – 3804451 3804456
.020 .040 3804483 – – 3804481 3804486
TriTech Dual NiResist Piston LPF Cylinder KitPart No. (B) – – – – –
Std. – – – – –
.020 .040 – – – – –
CPL No. 531(A) 536 537
(C) 538 539
Engine Model NTC400 NTC300 N855 NT855C NT855
Previous Piston Part # (3051556)(D)
(3051554)(D) (3048650) (3051554) (3051555)
TriTech Plus Single NiResist Piston LPF Cylinder KitPart No. (B) (3095740) (3095738) (3095759) (3095738) (3095739)
Std. 3804447 3804441 3804469 3804441 3804444
.020 .040 3804477 3804471 3804469 3804471 3804474
TriTech Single NiResist Piston LPF Cylinder KitPart No. (B) (3095704) (3095702) (3095759) (3095702) (3095703)
Std. 3804357 3804351 3804349 3804351 3804354
.020 .040 3804387 3804381 3804379 3804381 3804384
TriTech Plus Dual NiResist Piston LPF Cylinder KitPart No. (B) (3095060) (3095061) – – –
Std. 3804458 3804453 – – –
.020 .040 3804488 3804483 – – –
TriTech Dual NiResist Piston LPF Cylinder KitPart No. (B) – – – – –
Std. – – – – –
.020 .040 – – – – –
CPL No. 540 541 542 543 544(C)
Engine Model NT855 NTA855P NTA855G 350 NH230
Previous Piston Part # (3091555) (3051555)(D) (3051557) (3051555)
(D) (3048650)
TriTech Plus Single NiResist Piston LPF Cylinder KitPart No. (B) (3095739) (3095739) (3095741) (3095739) (3095739)
Std. 3804444 3804444 04449 3804444 3804439
.020 .040 3804474 3804474 3804479 3804474 3804469
TriTech Single NiResist Piston LPF Cylinder KitPart No. (B) (3095703) (3095703) (3095705) (3095703) (3095759)
Std. 3804354 3804354 3804359 3804354 3804349
.020 .040 3804384 3804384 3804389 3804384 3804379
TriTech Plus Dual NiResist Piston LPF Cylinder KitPart No. (B) – (3095062) – (3095062) –
Std. – 3804456 – 3804456 –
.020 .040 – 3804486 – 3804486 –
TriTech Dual NiResist Piston LPF Cylinder KitPart No. (B) – – – – –
Std. – – – – –
.020 .040 – – – – –
CPL No. 545 547(C) 551 552 553
Engine Model NTA855P PT270 NTA855F NT855F NTA855
Previous Piston Part # (3051555)(D) (3017348) (3051555)
(D) (3051555) (3051555)(D)
TriTech Plus Single NiResist Piston LPF Cylinder KitPart No. (B) (3095739) (3095755) (3095739) (3095739) (3095739)
Std. 3804444 3804440 3804444 3804444 3804444
.020 .040 3804474 3804470 3804474 3804474 3804474
TriTech Single NiResist Piston LPF Cylinder KitPart No. (B) (3095703) (3095755) (3095703) (3095703) (3095703)
Std. 3804354 3804350 3804354 3804354 3804354
.020 .040 3804384 3804380 3804384 3804384 3804384
Page 18
TriTech Plus Dual NiResist Piston LPF Cylinder KitPart No. (B) (3095062) – (3095062) – (3095062)
Std. 3804456 – 3804456 – 3804456
.020 .040 3804486 – 3804486 – 3804486
TriTech Dual NiResist Piston LPF Cylinder KitPart No. (B) – – – – –
Std. – – – – –
.020 .040 – – – – –
CPL No. 554 558(C) 566 567 572
Engine Model NTA855 NTCC240 NT855P N855P NTC350
Previous Piston Patrt # (3051556)(D) (3048650) (3051555) (3051554) (3051555)
(D)
TriTech Plus Single NiResist Piston LPF Cylinder KitPart No. (B) (3095740) (3095759) (3095739) (3095738) (3095739)
Std. 3804447 3804439 3804444 3804441 3804444
.020 .040 3804477 3804469 3804474 3804471 3804474
TriTech Single NiResist Piston LPF Cylinder KitPart No. (B) (3095704) (3095759) (3095703) (3095702) (3095703)
Std. 3804357 3804349 3804354 3804351 3804354
020 .040 3804387 3804379 3804384 3804381 3804384
TriTech Plus Dual NiResist Piston LPF Cylinder KitPart No. (B) (3095060) – – – (3095062)
Part No. (B) 3804458 – – – 3804456
.020 .040 3804488 – – – 3804486
TriTech Dual NiResist Piston LPF Cylinder KitPart No. (B) – – – – –
Std. – – – – –
.020 .040 – – – – –
CPL No. 573 574 575 578 579(A)
Engine Model NTA855GS/G NTA855GS/G NRA855R NTE290 NTC270
Previous Piston Part # (3051554)(D)
(3051554)(D)
(3051556)(D) (3051554) (3042320)
TriTech Plus Single NiResist Piston LPF Cylinder KitPart No. (B) (3095738) (3095738) (3095740) (3095738) (3095738)
Std. 3804441 3804441 3804447 3804441 3804438
.020 .040 3804471 3804471 3804477 3804471 3804468
TriTech Single NiResist Piston LPF Cylinder KitPart No. (B) (3095702) (3095702) (3095704) (3095702) (3095711)
Std. 3804351 3804351 3804357 3804351 3804348
.020 .040 3804381 3804381 3804387 3804381 3804388
TriTech Plus Dual NiResist Piston LPF Cylinder KitPart No. (3095063) – – (3095063) –
Std. 3804451 – – 3804451 –
.020 .040 3804481 – – 3804481 –
TriTech Dual NiResist Piston LPF Cylinder KitPart No. (B) – – – – –
Std. – – – – –
.020 .040 – – – – –
CPL No. 588 606 609 611 612
Engine Model NTC400 Fleet300 NT855 NTC350 NTC270
Previous Piston Part # (3051556)(D)
(3051555)(D) (3051554) (3051555)
(D) (3042320)
TriTech Plus Single NiResist Piston LPF Cylinder KitPart No. (B) (3095740) (3095739) (3095738) (3095739) (3095747)
Std. 3804447 3804444 3804441 3804444 3804438
.020 .040 3804477 3804474 3804471 3804474 3804468
TriTech Single NiResist Piston LPF Cylinder KitPart No. (B) (3095704) (3095703) (3095702) (3095703) (3095711)
Std. 3804357 3804354 3804351 3804354 3804348
.020 .040 3804387 3804384 3804381 3804384 3804378
TriTech Plus Dual NiResist Piston LPF Cylinder KitPart No. (B) (3095060) (3095062) – (3095062) –
Std. 3804458 3804456 – 3804456 –
.020 .040 3804488 3804486 – 3804486 –
Page 19
TriTech Dual NiResist Piston LPF Cylinder KitPart No. (B) – – – – –
Std. – – – – –
.020 .040 – – – – –
CPL No. 514(A)
615(A)
616(A)
617(A)
625(A)
Engine Model NTCC400 NTCC350 NTCC300 NTCC240 NTC400
Previous Piston Part # (3050366) (3050366) (3034185) (3034185) (3051556)(D)
TriTech Plus Single NiResist Piston LPF Cylinder KitPart No. (B) – – (3095744) (3095744) (3095740)
Std. – – 3804435 3804435 3804447
.020 .040 – – 3804465 3804465 3804377
TriTech Single NiResist Piston LPF Cylinder KitPart No. (B) – – (3095708) (3095708) (3095704)
Std. – – 3804345 3804345 3804357
.020 .040 – – 3804375 3804375 3804387
TriTech Plus Dual NiResist Piston LPF Cylinder KitPart No. (B) (3095063) (3095063) – – (3095060)
Std. 3804451 3804451 – – 3804458
.020 .040 3804481 3804481 – – 3804488
TriTech Dual NiResist Piston LPF Cylinder KitPart No. (B) (3076812) (3076812) – – –
Std. 3804361 3804361 – – –
.020 .040 3804391 3804391 – – –
CPL No. 632(A)
633(A)
634(A) 635 636
Engine Model NTC350 NTC300 Fleet300 NTC475 NTC300
Previous Piston Part # (3051555)(D)
(3042320)(D)
(3051555)(D) (3031227) (3042320)
(D)
TriTech Plus Single NiResist Piston LPF Cylinder KitPart No. (B) (3095739) (3095747) (3095739) (3095742) (3095747)
Std. 3804444 3804438 3804444 3804448 3804438
.020 .040 3804474 3804468 3804474 3804478 3804468
TriTech Single NiResist Piston LPF Cylinder KitPart No. (B) (3095703) (3095711) (3095703) (3095706) (3095711)
Std. 3804354 3804348 3804354 3804358 3804348
.020 .040 3804384 3804378 3804384 3804388 3804378
TriTech Plus Dual NiResist Piston LPF Cylineder KitPart No. (B) (3095062) (309506) (3095062) – (3095063)
Std. 3804456 3804451 3804456 – 3804451
020 . 040 3804486 3804481 3804486 – 3804481
TriTech Dual NiResist Piston LPF Cylinder KitPart No. (B) – – – – –
Std. – – – – –
.020 .040 – – – – –
CPL No. 637 642 647 650 651
Engine Model NTC350 NTC400 NTC320 NTA855 NTE400
Previous Piston Part # (3051555)(D)
(3028685)(D) (3028706) (3051555)
(D)(3028685)(D)
TriTech Plus Single NiResist Piston LPF Cylinder KitPart No. (B) (3095739) (3095737) (3095743) (3095739) (3095737)
Std. 3804444 3804446 3804437 3804444 3804446
.020 .040 3804474 3804476 3804467 3804474 3804476
TriTech Single NiResist Piston LPF Cylinder KitPart No. (B) (3095703) (3095701) (3095797) (3095703) (3095701)
Std. 3804354 3804356 3804347 3804354 3804356
.020 .040 3804384 3804386 3804377 3804384 3804386
TriTech Plus Dual NiResist Piston LPF Cylinder KitPart No. (B) (3095062) (3095065) – (3095062) (3096065)
Std. 3804456 3804459 – 3804456 3804459
.020 .040 3804486 3804489 – 3804486 3804489
TriTech Dual NiResist Piston LPF Cylinder KitPart No. (B) – – – – –
Std. – – – – –
.020 .040 – – – – –
Page 20
CPL No. 653 654 657 658 659
Engine Model NTTA855 NTTA855A NTA855A NTTA855F NTE3502
Previous Piston Part # (3031227) (3021227) (3051556)(D) (3031227) (3028685)
(D)
TriTech Plus Single NiResist Piston LPF Cylinder KitPart No. (B) (3095742) (3095742) (3095740) (3095742) (3095737)
Std. 3804448 3804448 3804447 3804448 3804446
.020 .040 3804478 3804478 3804477 3804478 3804476
TriTech Single NiResist Piston LPF Cylinder KitPart No. (B) (3095706) (3095706) (3095704) (3095706) (3095701)
Std. 3804358 3804358 3804357 3804358 3804356
.020 .040 3804388 3804388 3804387 3804388 3804386
TriTech Plus Dual NiResist Piston LPF Cylinder KitPart No. (B) – – (3095060) – (3095065)
Std. – – 3804458 – 3804459
.020 .040 – – 3804488 – 3804489
TriTech Dual NiResist Piston LPF Cylinder KitPart No. (B) – – – –
Std. – – – – –
.020 .040 – – – – –
CPL No. 669 670 673 674(A)
675(A)
Engine Model NTC350 NT855R5 Fleet300 NTC300 NTC350
Previous Piston Part # (3051555)(D) (3051554) (3042319)
(D)(3042320)(D)
(3042318)(D)
TriTech Plus Single NiResist Piston LPF Cylinder KitPart No. (B) (3095739) (3095738) (3095746) (3095747) (3095745)
Std. 3804444 3804441 3804442 3804438 3804445
.020 .040 3804474 3804471 3804472 3804468 3804476
TriTech Single NiResist Piston LPF Cylinder KitPart No. (B) (3095703) (3095702) (3095710) (3095711) (3095709)
Std. 3804354 3804351 3804352 3804348 3804355
.020 .040 3804384 3804381 3804382 3804378 3804385
TriTech Plus Dual NiResist Piston LPF Cylinder KitPart No. (B) (3095062) – (3095061) (3095063) (3095062)
Std. 3804456 – 3804453 4804451 3804456
.020 .040 3804486 – 3804483 3804481 3804486
TriTech Dual NiResist Piston LPF Cylinder KitPart No. (B) – – – – –
Std. – – – – –
.020 .040 – – – – –
CPL No. 676 677 695 699 700
Engine Model NTC400 NHHTCC300 NTC400 NT855G3 NTA855M
Previous Piston Part # (3028685)(D) (3050366) (3051556)
(D) (3051554) (3051555)(D)
TriTech Plus Single NiResist Piston LPF Cylinder KitPart No. (B) (3095737) – (3095740) (309578) (3095739)
Std. 3804446 – 3804447 3804441 3804444
.020 .040 3804476 – 3804477 3804471 3804474
TriTech Single NiResist Piston LPF Cylinder KitPart No. (B) (3095701) – (3095704) (3094702) (3095703)
Std. 3804356 – 3804357 3804351 3804354
.020 .040 3804386 – 3804387 3804381 3804384
TriTech Plus Dual NiResist Piston LPF Cylinder KitPart No. (B) (3095065) (3095063) (3095060) – (3095062)
Std. 3804459 3804451 3804458 – 3804456
.020 .040 3804489 3804481 3804488 – 3804486
TriTech Dual NiResist Piston LPF Cylinder Kit
Part No. (B) – (3076812) – – –
Std. – 3804361 – –
.020 .040 – 3804391 – – –
CPL No. 701 702 706 709(A)
718(A)
Engine Model NTA855M NTTA855G NTA855C NHC250 Fleet300
Page 21
Previous Piston Part # ((3051555)(D)
(3031227) (3051555)(D)
(3048650) (3045948)
TriTech Plus Single NiResist Piston LPF Cylinder KitPart No. (B) (3095739) (3095742) (3095739) (3095739) –
Std. 3804444 3804448 3804444 3804439 –
.020 .040 3804474 3804478 3804474 3804469 –
TriTech Single NiResist Piston and LPF Cylinder KitPart No. (B) (3095703) (3095706 (3095703) (3095759) –
Std. 3804354 3804358 3804354 3804349 –
.020 .040 3804384 3804388 3804384 3804379 –
TriTech Plus Dual NiResist Piston LPF Cylinder KitPart No. (B) (3095062) – (3095062) – (3095062)
Std. 3804456 – 3804456 – 3804456
.020 .040 3804486 – 3804486 – 3804486
TriTech Dual NiResist Piston LPF Cylinder KitPart No. (B) – – – –
Std. – – – – 3804366
.020 .040 – – – – 3804396
CPL No. 719 731 732 733 743
Engine Model NTA855 NT855M NT855C NT855G3 NTC300
Previous Piston Part # (3051554)(D) (3051555) (3051554) (305155) (3042320)
(D)
TriTech Plus Single NiResist Piston LPF Cylinder KitPart No. (B) (3095738) (3095739) (3095738) (3095748) (3095747)
Std. 3804441 3804444 3804441 3804441 3804438
.020 .040 3804471 3804474 3804471 3804471 3804468
TriTech Single NiResist Piston LPF Cylinder KitPart No. (B) (3095702) (3095703) (3095702) (3095709) (3095711)
Std. 3804351 3804354 3804351 3804351 3804348
.020 .040 3804381 3804384 3804381 3804381 3804378
TriTech Plus Dual NiResist Piston LPF Cylinder KitPart No. (B) (3095061) – – – (3095063)
Std. 3804453 – – – 3804451
.020 .040 3804483 – – – 3804481
TriTech Dual NiResist Piston LPF Cylinder KitPart No. (B) – – – – –
Std. – – – – –
.020 .040 – – – – –
CPL No. 744 745 749(A) 757 769
(A)
Engine Model NTC350 NTC400 NTC315 NTA855 NTC350
Previous Piston Part # (3051555)(D)
(3051556)(D)
(3042319)(D)
(3051556)(D) (3045948)
TriTech Plus Single NiResist Piston LPF Cylinder KitPart No. (B) (3095739) (3095740) (3095746) (3095740) –
Std. 3804444 3804447 3804442 3804447 –
.020 .040 3804474 3804477 3804472 3804477 –
TriTech Single NiResist Piston LPF Cylinder KitPart No. (B) (3095703) (3095704) (3095710) (3095704) –
Std. 3804354 3804357 3804352 3804357 –
.020 .040 3804384 3804387 3804382 3804387 –
TriTech Plus Dual NiResist Piston LPF Cylinder KitPart No. (B) (3095062) (3095060) (3095061) – (3095062)
Std. 3804456 3804458 3804453 – 3804456
.020 .040 3804486 3804488 3804483 – 3804486
TriTech Dual NiResist Piston LPF Cylinder KitPart No. (B) – – – (3048808)
(F) (3076811)
Std. – – – 3801823 3804366
.020 .040 – – – 3803217 3804396
CPL No. 794(A)
795(A)
796(A)
797(A) 798
Engine Model NTCC315 NTCC350 NTC315 NTC350 NTC400
Previous Piston Part # (3050366) (3050366) (3048809) (3045948) (3048808)
TriTech Plus Single NiResist Piston LPF Cylinder KitPart No. (B) – – – – –
Std. – – – – –
Page 22
.020 .040 – – – – –
TriTech Single NiResist Piston LPF Cylinder KitPart No. (B) – – – – –
Std. – – – – –
.020 .040 – – – – –
TriTech Plus Dual NiResist Piston LPF Cylinder KitPart No. (B) (3095063) (3095063) (3095061) (3095062) (3095060)
Std. 3804451 3804451 3804453 3804456 3804458
.020 .040 3804481 3804481 3804483 3804486 3804488
TriTech Dual NiResist Piston LPF Cylinder KitPart No. (B) (3076812) (3076812) (3076810) (3076811) (3076809)
Std. 3804361 3804361 3804363 3804366 3804368
.020 .040 3804391 3804391 3804393 3804396 3804398
CPL No. 806(A) 808 811
(A)812(A)
813(A)
Engine Model NTCC855 NTA855 NTC300 NTC315 NTC350
Previous Piston Part # (3090481) (3051556)(D) (3050366) (3048809) (3045948)
TriTech Plus Single NiResist Piston LPF Cylinder KitPart No. (B) – (3095740) – – –
Std. – 3804447 – – –
.020 .040 – 3804477 – – –
TriTech Single NiResist Piston LPF Cylinder KitPart No. (B) – (3095704) – – –
Std. – 3804357 – – –
.020 .040 – 3804387 – – –
TriTech Plus Dual NiResist Piston LPF Cylinder KitPart No. (B) (3095066) (3095060) (3095063) (3095061) (3095062)
Std. 3804457 3804458 3804451 3804453 3804456
.020 .040 3804487 3804488 3804481 3804483 3804486
TriTech Dual NiResist Piston LPF Cylinder KitPart No. (B) (3076815) – (3076812) (3076810) (3076811)
Std. 3804367 – 3804361 3804363 3804366
.020 .040 3804397 – 3804391 3804393 3804396
CPL No. 814(A)
821(A)
827(A)
832(A)
833(A)
Engine Model NTC400 NTC444 NTC400 NTC300 NTC365/400
Previous Piston Part # (3050480) (3050480) (3052794) (3050366) (3050480)
TriTech Plus Single NiResist Piston LPF Cylinder KitPart No. (B) – – – – –
Std. – – – – –
.020 .040 – – – –
TriTech Single NiResist Piston LPF Cylinder KitPart No. (B) – – – – –
Std. – – – – –
.020 .040 – – – – –
TriTech Plus Dual NiResist Piston LPF Cylinder KitPart No. (B) (3095065) (3095065) (3095067) (3095063) (3095065)
Std. 3804459 3804459 3804452 3804451 3804459
.020 .040 3804489 3804489 3804482 3804481 3804489
TriTech Dual NiResist Piston LPF Cylinder KitPart No. (B) (3076814) (3076814) (3076816) (3076812) (3076814)
Std. 3804369 3804369 3804362 3804361 3804369
.020 .040 3804399 3804399 3804392 3804391 3804399
CPL No. 838(A)
840(A) 849 880 891
(A)
Engine Model NTC315 NTC350 NT855G NTA855M NTC400
Previous Piston Part # (3069212) (3069212) (3051556)(D)
(3051556(D) (3048808)
TriTech Plus Single NiResist Piston LPF Cylinder KitPart No. (B) – – (3095740) (3095740) –
Std. – – 3804447 3804447 –
.020 .040 – – 3804477 3804477 –
TriTech Single NiResist Piston LPF Cylinder KitPart No. (B) – – (3095704) (3095704) –
Std. – – 3804357 3804357 –
Page 23
.020 .040 – – 3804387 3804387 –
TriTech Plus Dual NiResist Piston LPF Cylinder KitPart No. (B) (3095064) (3095064) – (3095060) (3095060)
Std. 3804450 3804450 – 3804458 3804458
.020 .040 3804480 3804480 – 3804488 3804488
TriTech Dual NiResist Piston LPF Cylinder KitPart No. (B) (3076813) (3076813) (3048808)
(F) – (3076809)
Std. 3804360 3804360 3801823 – 3804368
.020 .040 3804390 3804390 3803217 – 3804398
CPL No. 903 904 905 907 908
Engine Model NTC444 NTC365/400 NTC350 NTC300 NTA855450
Previous Piston Part # (3050480) (3050480) (3045948) (3050366) (3048808)(F)
TriTech Plus Single NiResist Piston LPF Cylinder KitPart No. (B) – – – – –
Std. – – – – –
.020 .040 – – – – –
TriTech Single NiResist Piston LPF Cylinder KitPart No. (B) – – – – –
Std. – – – – –
.020 .040 – – – – –
TriTech Plus Dual NiResist Piston LPF Cylinder KitPart No. (B) (3095065) (3095065) (3095062) (3095063) –
Std. 3804459 3804459 3804456 3804451 –
.020 .040 3804489 3804489 3804486 3804481 –
TriTech Dual NiResist Piston LPF Cylinder KitPart No. (B) (3076814) (3076814) (3076811) (3076812) (3048808)
(F)
Std. 3804369 3804369 3804366 3804361 3801823
.020 .040 3804399 3804399 3804396 3804391 3803217
CPL No. 909 910(A)
911(A)
963(A) 967
Engine Model NTA855 NTC444 NT315E NHHTCB300 NT444
Previous Piston Part # (3048808)(F) (3074493) (3052794) (3042320) (3064259)
TriTech Plus Single NiResist Piston LPF Cylinder KitPart No. (B) – – – (3095747) (3081268)
Std. – – – 3804438 3803755
.020 .040 – – – 3804468 –
TriTech Single NiResist Piston LPF Cylinder KitPart No. (B) – – – (3095711) (3081266)
Std. – – – 3804348 3803753
.020 .040 – – – 3804378 –
TriTech Plus Dual NiResist Piston LPF Cylinder KitPart No. (B) – (3095068) (3095067) – –
Std. – 3804454 3804452 – –
.020 .040 – 3804484 3804482 – –
TriTech Dual NiResist Piston LPF Cylinder KitPart No. (B) (3048808)
(F) (3076817) (3076816) – –
Std. 3801823 2804364 3804362 – –
.020 .040 3803217 3804394 3804392 – –
CPL No. 972 974 988 989 990
Engine Model NT855 NTA855 NHHTC300 NTA855G NTA855
Previous Piston Part # (3051554)(D)
(3051555)(D) (3050366) (3051556)
(D)(3051556)(D)
TriTech Plus Single NiResist Piston LPF Cylinder KitPart No. (B) (3095738) (3095739) – (3095740) (3095740)
Std. 3804441 3804444 – 3804447 3804447
.020 .040 3804471 3804474 – 3804477 3804477
TriTech Single NiResist Piston LPF Cylinder Kit
Part No. (B) (3095702) (3095703) – (3095704) (3095704)
Std. 3804351 3804354 – 3804357 3804357
.020 .040 3804381 3804384 – 3804387 3804387
Part No. (B) (3095061) (3095062) (3095063) – –
Page 24
TriTech Plus Dual NiResist Piston LPF Cylinder Kit Std. 3804453 3804456 3804451 – –
.020 .040 3804483 3804486 3804481 – –
TriTech Dual NiResist Piston LPF Cylinder KitPart No. (B) – – (3076812) (3048808)
(F)(3048808)(F)
Std. – – 3804361 3801823 3801823
.020 .040 – – 3804391 3803217 3803217
CPL No. 991 992 1167 1171 1179
Engine Model NTA855 NT350E NTA855M NTA855370 NTA855M
Previous Piston Part # (3051556)(D) (3052794) (3051556)
(D)(3051556)(D)
(3051556)(D)
TriTech Plus Single NiResist Piston LPF Cylinder KitPart No. (B) (3095740) – (3095740) (3095740) (3095740)
Std. 3804447 – 3804447 3804447 3804447
.020 .040 3804477 – 3804477 3804477 3804477
TriTech Single NiResist Piston LPF Cylinder KitPart No. (B) (3095704) – (3095704) (3095704) (3095704)
Std. 3804357 – 3804357 3804357 3804357
.020 .040 3804387 – 3804387 3804387 3804387
TriTech Plus Dual NiResist Piston LPF Cylinder KitPart No. (B) – (3095067) (3095060) (3095060) (3095060)
Std. – 3804452 3804458 3804458 3804458
.020 .040 – 3804482 3804488 3804488 3804488
TriTech Dual NiResist Piston LPF Cylinder KitPart No. (B) (3048808)
(F) (3076816) – – –
Std. 3801823 3804352 – – –
.020 .040 3803217 3804392 – – –
CPL No. 1180 1181 1182 1183 1185(A)
Engine Model NTA855R NTA855R NTA855R NTA855G NTC400
Previous Piston Part # (3051554) (3051555)(D)
(3051555)(D)
(3051556)(D) (3052794)
TriTech Plus Single NiResist Piston LPF Cylinder KitPart No. (B) (3095738) (3095739) (3095739) (3095740) –
Std. 3804441 3804444 3804444 3804447 –
.020 .040 3804471 3804474 3804474 3804477 –
TriTech Single NiResist Piston LPF Cylinder KitPart No. (B) (3095702) (3095703) (3095703) (3095704) –
Std. 3804351 3804354 3804354 3804357 –
.020 .040 3804381 3804384 3804384 3804387 –
TriTech Plus Dual NiResist Piston LPF Cylinder KitPart No. (B) – (3095062) (3095062) – (3095067)
Std. – 3804456 3804456 – 3804452
.020 .040 – 3804486 3804486 – 3804482
TriTech Dual NiResist Piston LPF Cylinder KitPart No. (B) – – – (3048808)
(F) (3076816)
Std. – – – 3801823 3804362
.020 .040 – – – 3803217 3804392
CPL No. 1186 1187(A)
1188(A) 1193 1194
Engine Model NTE465 Fleet285 NTCFL350 NTA855 NTA855
Previous Piston Part # (3050480) (3069212) (3052794) (3048808) (3051556)(D)
TriTech Plus Single NiResist Piston LPF Cylinder KitPart No. (B) – – – – (3095740)
Std. – – – – 3804447
.020 .040 – – – – 3804477
TriTech Single NiResist Piston LPF Cylinder Kit
Part No. (B) – – – – (3095704)
Std. – – – – 3804457
.020 .040 – – – – 3804487
TriTech Plus Dual NiResist Piston LPF Cylinder KitPart No. (B) (3095065) (3095064) (3095067) (3095060) (3095060)
Std. 3804459 3804450 3804452 3804458 3804458
Page 25
.020 .040 3804489 3804480 3804482 3804488 3804488
TriTech Dual NiResist Piston LPF Cylinder KitPara (B) (3076814) (3076813) (3076816) (3076809) –
Std. 3804369 3804360 3804362 3804368 –
.020 .040 3804399 3804390 3804392 3804398 –
CPL No. 1197 1203 1204 1205 1210(A)
Engine Model NTTA855 NTC855C NTA855 NT855 NTC444
Previous Part # (3051556)(D) (3048650) (3051555)
(D) (3051554) (3074493)
TriTech Plus Single NiResist Piston LPF Cylinder KitPart No. (B) (3095740) (3095759) (3095739) (3095738) –
Std. 3804447 3804439 3804444 3804441 –
.020 .040 3804477 3804469 3804474 3804471 –
TriTech Single NiResist Piston LPF Cylinder KitPart No. (B) (3095704) (3095759) (3095703) (3095702) –
Std. 3804357 3804349 3804354 384351 –
.020 .040 3804387 384379 3804384 3804381 –
TriTech Plus Dual NiResist Piston LPF Cylinder KitPart No. (B) – – (3095062) – (3095068)
Std. – – 3804456 – 3804454
.020 .040 – – 3804486 – 3804484
TriTech Dual NiResist Piston LPF Cylinder KitPart No. (B) (3048808)
(F) – – – (3076817)
Std. 3801823 – – – 3804364
.020 .040 3803217 – – – 3804394
CPL No. 1211(A) 1215 1252 1255 1256
Engine Model NTC400 NTC400 Plus NTA855 NTA855 NTC444
Previous Part # (3052794) (3050480) (3048808) (3045948) (3074494)
TriTech Plus Single NiResist Piston LPF Cylinder KitPart No. (B) – – – – –
Std. – – – – –
.020 .040 – – – – –
TriTech Single NiResist Piston LPF Cylinder KitPart No. (B) – – – – –
Std. – – – – –
.020 .040 – – – – –
TriTech Plus Dual NiResist Piston LPF Cylinder KitPart No. (B) (3095067) (3095065) (3095060) (3095062) (3095069)
Std. 3804452 3804459 3804458 3804456 3804455
.020 .040 3804482 3804489 3804488 3804486 3804485
TriTech Dual NiResist Piston LPF Cylinder KitPart No. (B) (3076816) (3076814) (3076809) (3076811) (3076818)
Std. 3804362 3804369 3804368 3804366 3804365
.020 .040 3804392 3804399 3804398 3804396 3804395
CPL No. 1271 1280(A) 1309 1310 1314
Engine Model N14E NTC444 N14 NTA855A NTA855A, C
Previous Piston Part # (3081268) (3074494) (3081268) (3048650) (3048808)(F)
TriTech Plus Single NiResist Piston LPF Cylinder KitPart No. (B) – – – (3095759) –
Std. – – – 3804439 –
.020 .040 – – – 3804469 –
TriTech Single NiResist Piston LPF Cylinder KitPart No. (B) – – – (3095759) –
Std. – – – 3804349 –
.020 .040 – – – 3804379 –
TriTech Plus Dual NiResist Piston LPF Cylinder KitPart No. (B) (3081268) (3095069) (3081268) – –
Std. 3803755 3804455 3803755 – –
.020 .040 – 3804485 – – –
(3048808)
Page 26
TriTech Dual NiResist Piston LPF Cylinder Kit Part No. (B) – (3076818) – – (F)
Std. – 3804365 – – 3801823
.020 .040 – 3804395 – – 3803217
CPL No. 1315 1324 1350 1352(A) 1374
Engine Model NTA855R N14460 NTC400 Fleet 300 N14370
Previous Piston Part No. (3028706) (3081268) (3051556)(D) (3069212) (3081269)
TriTech Plus Single NiResist Piston LPF Cylinder KitPart No. (B) (3095743) – (3095740) – –
Std. 3804437 – 3804447 – –
.020 .040 3804467 – 3804477 – –
TriTech Single NiResist Piston LPF Cylinder KitPart No. (B) (3095707) – (3095704) – –
Std. 3804347 – 3804357 – –
.020 .040 3804377 – 3804487 – –
TriTech Plus Dual NiResist Piston LPF Cylinder KitPart No. (B) – (3081268) (3095060) (3095064) (3081269)
Std. – 3803755 3804458 3804450 3803759
.020 .040 – – 3804488 3804480 –
TriTech Dual NiResist Piston LPF CylinderPart No. (B) – – – (3076813) (3081267)
Std. – – – 3804360 3803757
.020 .040 – – – 3804390 –
CPL No. 1380 1381 1382 1383 1384Engine Model N14350 NT855G NT855G NTA855G N14460
Previous Piston Part # (3081269) (3048808)(F)
(3050481)(F) (3028706) (3081268)
TriTech Plus Single NiResist Piston LPF Cylinder KitPart No. (B) – – – (3095743) –
Std. – – – 3804437 –
.020 .040 – – – 3804467 –
TriTech Single NiResist Piston LPF Cylinder KitPart No. (B) – – – (3095707) –
Std. – – – 3804347 –
.020 .040 – – – 3804377 –
TriTech Plus Dual NiResist Piston LPF Cylinder KitPart No. (B) (3081269) – – – (3081268)
Std. 3803759 – – – 3803755
.020 .040 – – – – –
TriTech Dual NiResist Piston LPF Cylinder KitPart No. (B) (3081267) (3048808)
(F)(3050481)(F) – –
Std. 3803757 3801823 3801747 – –
.020 .040 – 3803217 3803232 – –
CPL No. 1385 1386 1389 1390 1391
Engine Model N14430E N14430E N14370E N14370E N14350E
Previous Piston Part # (3081268) (3091268) (3081268) (3081268) (3081268)
TriTech Plus Single NiResist Piston LPF Cylinder KitPart No. (B) – – – – –
Std. – – – – –
.020 .040 – – – – –
TriTech Single NiResist Piston LPF Cylinder KitPart No. (B) – – – – –
Std. – – – – –
.020 .040 – – – – –
TriTech Plus Dual NiResist Piston LPF Cylinder Kit
Part No. (B) (3081268) (3081268) (3081268) (3081268) (3081268)
STD. 3803755 3803755 3803755 3803755 3803755
.020 .040 – – – – –
TriTech Dual NiResist Piston LPF Cylinder KitPart No. (B) (3081266) (3081266) (3081266) (3081266) (3081266)
Std. 3803753 3803753 3803753 3803753 3803753
.020 .040 – – – – –
Page 27
CPL No. 1392 1393 1394 1395 1401
Engine Model N14330E N14330E N14330E N14330P NTA855R
Previous Piston Part # (3081268) (3081268) (3081268) (3081269) (3051555)(D)
TriTech Plus Single NiResist Piston LPF Cylinder KitPart No. (B) – – – – (3095739)
Std. – – – – 3804444
.020 .040 – – – – 3804474
TriTech Single NiResist Piston LPF Cylinder KitPart No. (B) – – – – (3095703)
Std. – – – – 3804354
.020 .040 – – – – 3804384
TriTech Plus Dual NiResist Piston LPF Cylinder KitPart No. (B) (3081268) (3081268) (3081268) (3081269) (3095062)
Std. 3803755 3803755 3803755 3803756 3804456
.020 .040 – – – – 3804486
TriTech Dual NiResist Piston LPF Cylinder KitPart No. (B) (3081266) (3081266) (3081266) (3081267) –
Std. 3803753 3803753 3803753 3803757 –
.020 .040 – – – – –
CPL No. 1402 1405 1409 1410 1411
Engine Model NTAA410 N14410 NTA855C NTA855360 NA855400
Previous Piston Part # (3028706) (3081269) (3051555)(D)
(30515550(D)
(3051556)(D)
TriTech Plus Single NiResist Piston LPF Cylinder KitPart No. (B) (3095743) – (3095739) (3095739) (3095740)
Std. 3804437 – 3804444 3804444 3804447
.020 .040 3803367 – 3804474 3804474 3804477
TriTech Single NiResist Piston LPF Cylinder KitPart No. (B) (3095707) – (3095703) (3095703) (3095704)
Std. 3804347 – 3804354 3804354 3804357
.020 .040 3804377 – 3804384 3804384 3804387
TriTech Plus Dual NiResist Piston LPF Cylinder KitPart No. (B) – (3081269) (3095062) (3095062) –
Std. – 3803759 3804456 3804456 –
.020 .040 – – 3804486 3804486 –
TriTech Dual NiResist Piston LPF Cylinder KitPart No. (B) – (3081267) – – (3048808)
(F)
Std. – 3803757 – – 3801823
.020 .040 – – – – 3803217
CPL No. 1415 1416 1417 1418 1421
Engine Model NTA855A NTA855 NTA855A NTA855S NTA855A
Previous Piston Part # (3051555)(D)
(3051555)(D)
(3048808)(F)
(3048808)(F)
(3048808)(F)
TriTech Plus Single NiResist Piston LPF Cylinder KitPart No. (B) (3095739) (3095739) – – –
Std. 3804444 3804444 – – –
.020 .040 3804474 3804474 – – –
TriTech Single NiResist Piston LPF Cylinder KitPart No. (B) (3095703) (3095703) – – –
Std. 3804354 3804354 – – –
.020 .040 3804384 3804384 – – –
TriTech Plus Dual NiResist Piston LPF Cylinder KitPart No. (B) (3095062) (3095062) – – –
Std. 3804456 3804456 – – –
.020 .040 3804486 3804486 – – –
TriTech Dual NiResist Piston LPF Cylinder Kit
Part No. (B) – – (3048808)(F)
(3048808)(F)
(3048808)(F)
Std. – – 3801823 3801823 3801823
.020 .040 – – 3803217 3803217 3803217
CPL No. 1425 1426 1436 1445 1501
Engine Model NTA855A N14410E NTA855G N14370E NTA855C
Page 28
Previous Piston Part # (3048809) (3081268) (3048808)(F) (3081268) (3045948)
TriTech Plus Single NiResist Piston LPF Cylinder KitPart No. (B) – – – – –
Std. – – – – –
.020 .040 – – – – –
TriTech Single NiResist Piston LPF Cylinder KitPart No. (B) – – – – –
Std. – – – – –
.020 .040 – – – – –
TriTech Plus Dual NiResist Piston LPF Cylinder KitPart No. (B) (3095061) (3081268) – (3081268) (3095062)
Std. 3804453 3803755 – 3803755 3804456
.020 .040 3804483 – – – 3804486
TriTech Dual NiResist Piston LPF Cylinder KitPart No. (B) (3076810) (3081266) (3048808)
(F) (3081266) (3076811)
Std. 3804363 3803753 3801823 3803753 3804366
.020 .040 3804393 – 3803217 – 3804396
CPL No. 1502 1507 1515 1529 1530
Engine Model NTA855C N14350P NTE405 N14350P NTA14330
Previous Piston Part # (3048809) (3081269) (3028706) (3081269) (3081269)
TriTech Plus Single NiResist Piston LPF Cylinder KitPart No. (B) – – (3095743) – –
Std. – – 3804437 – –
.020 .040 – – 3804467 – –
TriTech Single NiResist Piston LPF Cylinder KitPart No. (B) – – (3095707) – –
Std. – – 3804347 – –
.020 .040 – – 3804377 – –
TriTech Plus Dual NiResist Piston LPF Cylinder KitPart No. (B) (3095061) (3081269) – (3081269) (3081269)
Std. 3804453 3803759 – 3803759 3803759
.020 .040 3804483 – – – –
TriTech Dual NiResist Piston LPF Cylinder KitPart No. (B) (3076810) (3081267) – (3081267) (3081267)
Std. 3804363 3803757 – 3803757 3803757
.020 .040 3804393 – – – –
CPL No. 1532 1533 1534 1535 1536
Engine Model N14350P N14370E N14370E N14350E N14330E
Previous Piston Part # (3081269) (3081268) (3081268) (3081268) (3081268)
TriTech Plus Single NiResist Piston LPF Cylinder KitPart No. (B) – – – – –
Std. – – – – –
.020 .040 – – – – –
TriTech Single NiResist Piston LPF Cylinder KitPart No. (B) – – – – –
Std. – – – – –
.020 .040 – – – – –
TriTech Plus Dual NiResist Piston LPF Cylinder KitPart No. (B) (3081269) (3081268) (3081268) (3081268) (3081268)
Std. 3803758 3803755 3803755 3803755 3803755
.020 .040 – – – – –
TriTech Dual NiResist Piston LPF Cylinder KitPart No. (B) (3081267) (3081266) (3081266) (3081266) (3081266)
Std. 3803757 3803753 3803753 3803753 3803753
.020 .040 – – – – –
CPL No. 1537 1538 1540 1546 1548
Engine Model N14330E N14310E N14330E NTA855A N14460E
Previous Piston Part # (3081268) (3081268) (3081268) (3048809) (3081268)
TriTech Plus Single NiResist Piston LPF Cylinder KitPart No. (B) – – – – –
Std. – – – – –
.020 .040 – – – – –
Part No. (B) – – – – –
Page 29
TriTech Single NiResist Piston LPF Cylinder Kit Std. – – – – –
.020 .040 – – – – –
TriTech Plus Dual NiResist Piston LPF Cylinder KitPart No. (B) (3081268) (3081268) (3081268) (3095061) (3081268)
Std. 3803755 3803755 3803755 3804453 3803755
.020 .040 – – – 3804483 –
TriTech Dual NiResist Piston LPF Cylinder KitPart No. (B) (3081266) (3081266) (3081266) (3076810) –
Std. 3803753 3803753 3803753 3804363 –
.020 .040 – – – 3804393 –
CPL No. 1557 1572 1573 1574 1575
Engine Model NTA855375 N14460E N14430E N14350E N14460E
Previous Piston Part # (3048808)(F) (3081268) (3081268) (3081268) (3081268)
TriTech Plus Single NiResist Piston LPF Cylinder KitPart No. (B) – – – – –
Std. – – – – –
.020 .040 – – – – –
TriTech Single NiResist Piston LPF Cylinder KitPart No. (B) – – – – –
Std. – – – – –
.020 .040 – – – – –
TriTech Plus Dual NiResist Piston LPF Cylinder KitPart No. – (3081268) (3081268) (3081268) (3081268)
Std. – 3803755 3803755 3803755 3803755
.020 .040 – – – – –
TriTech Dual NiResist Piston LPF Cylinder KitPart No. (B) (3048808)
(F) – (3081266) (3081266) –
Std. 3801823 – 3803753 3803753 –
.020 .040 3803217 – – – –
CPL No. 1576 1580 1583 1594 1600
Engine Model NTA855 N14460E N14460E NTA855 NTA855C
Previous Piston Part # (3048808)(F) (3081268) (3081268) (3048808)
(F)(3048808)(F)
TriTech Plus Single NiResist Piston LPF Cylinder KitPart No. (B) – – – – –
Std. – – – – –
.020 .040 – – – – –
TriTech Single NiResist Piston LPF Cylinder KitPart No. (B) – – – – –
Std. – – – – –
.020 .040 – – – – –
TriTech Plus Dual NiResist Piston LPF Cylinder KitPart No. (B) – (3081268) (3081268) – –
Std. – 3803755 3803755 – –
.020 .040 – – – – –
TriTech Dual NiResist Piston LPF Cylinder KitPart No. (B) (3048808)
(F) – – (3048808)(F)
(3048808)(F)
Std. 3801823 – – 381823 3801823
.020 .040 3803217 – – 3803217 3803217
CPL No. 1607 1611 1630 1636 1637
Engine Model N14410 N14500 NTE405 NTAA280 NTAA410
Previous Piston Part # (3081269) (3081268) (3050480) (3074494) (3074494)
TriTech Plus Single NiResist Piston LPF Cylinder KitPart No. (B) – – – – –
Std. – – – – –
.020 .040 – – – – –
TriTech Single NiResist Piston LPF Cylinder KitPart No. (B) – – – – –
Std. – – – – –
.020 .040 – – – – –
TriTech Plus Dual NiResist Piston LPF Cylinder KitPart No. (B) (3081269) (3081268) (3095065) (3095069) (3095069)
Std. 3803759 3803755 3804459 3804455 3804455
Page 30
.020 .040 – – 3804489 3804485 3804485
TriTech Dual NiResist Piston LPF Cylinder KitPart No. (B) (3081267) (3081266) (3076814) (3076818) (3076818)
Std. 3803757 3803753 3804369 3804365 3804365
.020 .040 – – 3804399 3804395 3804395
CPL No. 1649 1650 1652 1686 1803
Engine Model N14300E NTA855A N14430 NTAA340 NTA855C
Previous Piston Part # (3081268) (3048809) (3081269) (3074494) (3045948)
TriTech Plus Single NiResist Piston LPF Cylinder KitPart No. (B) – – – – –
Std. – – – – –
.020 .040 – – – – –
TriTech Single NiResist Piston LPF CYlinder KitPart No. (B) – – – – –
Std. – – – – –
.020 .040 – – – – –
TriTech Plus Dual NiResist Piston LPF Cylinder KitPart No. (B) (3081268) (3095061) (3081269) (3095069) (3095062)
Std. 3803755 3804453 3803759 3804455 3804456
.020 .040 – 3804483 – 3804485 3804486
TriTech Dual NiResist Piston LPF Cylinder KitPart No. (B) (3081266) (3076810) – (3076818) (3076811)
Std. 3803753 3804363 – 3804365 3804366
.020 .040 – 3804393 – 3804395 380396
CPL No. 1807 1809 1831 1833 1836
Engine Model N14370E N14445E N14460E N14350E NTA855G
Previous Piston Part # (3087635)(E)
(3087634)(E) (3081268) (3087635)
(E)(3050480)(F)
TriTech Plus Single NiResist Piston LPF Cylinder KitPart No. (B) – – – – –
Std. – – – – –
.020 .040 – – – – –
TriTech Single NiResist Piston LPF Cylinder KitPart No. (B) – – – – –
Std. – – – – –
.020 .040 – – – – –
TriTech Plus Dual NiResist Piston LPF Cylinder KitPart No. (B) (3087635) (3087634) (3081268) (3087635) –
Std. 3803740 3803742 3803755 3803740 –
.020 .040 – – – – –
TriTech Dual NiResist Piston LPF Cylinder KitPart No. (B) – – – – (3050480)
(F)
Std. – – – – 3801746
.020 .040 – – – – 3803233
CPL No. 1837 1844 1851 1852 1878
Engine Model NTA855G N14500E NTA855 N14500E N14430
Previous Piston Part # (3050480)(F)
(3087634)(E) (3048809) (3087634)
(E) (3081269)
TriTech Plus Single NiResist Piston LPF Cylinder KitPart No. (B) – – – – –
Std. – – – – –
.020 .040 – – – – –
TriTech Single NiResist Piston LPF Cylinder KitPart No. (B) – – – – –
Std. – – – – –
.020 .040 – – – – –
TriTech Plus Dual NiResist Piston LPF Cylinder Kit
Part No. (B) – (3087634) (3095061) (3087634) (3081269)
Std. – 3803742 3804453 380372 3803759
.020 .040 – – – – –
TriTech Dual NiResist Piston LPF Cylinder KitPart No. (B) (3050480)
(F) – (3076810) – (3081267)
Std. 3801746 – 3804363 – 3803757
Page 31
.020 .040 3803233 – 3804393 – –
CPL No. 1884 1896 1944 1956 1957
Engine Model NTA855C N14500E N14460E N14370 N14410
Previous Piston Part No. (B) (3045948) (3087634)(E) (3081268) (3081269) (3081269)
TriTech Plus Single NiResist Piston LPF Cylinder KitPart No. (B) – – – – –
Std. – – – – –
.020 .040 – – – – –
TriTech Single NiResist Piston LPF CYlinder KitPart No. (B) – – – – –
Std. – – – – –
.020 .040 – – – – –
TriTech Plus Dual NiResist Piston LPF Cylinder KitPart No. (B) (3095062) (3087634) (3081268) (3081269) (3081269)
Std. 3804456 3803742 3803755 3803759 3803759
.020 .040 3804486 – – – –
TriTech Dual NiResist Piston LPF Cylinder KitPart No. (B) (3076811) – – (3081267) (3081267)
Std. 3804366 3803742 – 3803757 3803757
.020 .040 3804396 – – – –
CPL No. 2116 2117
Engine Model NTA855G NTA844G
Previous Piston Part # (3050480)(F)
(3050480)(F)
TriTech Plus Single NiResist Piston LPF Cylinder KitPart No. (B) – –
Std. – –
.020 .040 – –
TriTech Single NiResist Piston LPF Cylinder KitPart No. (B) – –
Std. – –
.020 .040 – –
TriTech Plus Dual NiResist Piston LPF Cylinder KitPart No. (B) – –
Std. – –
.020 .040 – –
TriTech Dual NiResist Piston LPF Cylinder KitPart No. (B) (3050480)
(F)(3050480)(F)
Std. 3801746 3801746
.020 .040 3803233 3803233
NOTE: All part numbers listed in (parentheses) are either obsolete or sold in a higher level kit.
A. Stamp "FF208" on the engine dataplate if TriTech™ Piston(S) is used in engines with this CPL number.B. See Table 5 for Piston KitsC. TriTech™ piston listed can be used either with or without piston cooling.D. Dual Ni Piston is of a different weight. Replace with a full set of six.E. This is an articulated two piece pistonF. This is a 4 ring piston, TriTech Dual NiResist Pistons are not approved for this application.
Table 2: Original Piston to TriTech™ Replacement Piston
Use Table 1 if the CPL number of an engine is known unless the engine is nonpiston cooled.
For nonpiston cooled engines, be sure to apply information at the end of this table.
CAUTION
Do not use Dual NiResist pistons in engines that are not both piston cooled and aftercooled.
Original Piston Single NiResist Piston Dual NiResist PistonPiston PartNo.
CompRatio
TriTech™ Plus PartNo.
TriTech™ PartNo.
CompRatio
TriTech™ Plus PartNo.
TriTech™ PartNo. Comp Ratio
(135980)(8) 14.9 (3095738)(5) (3095702)(5) 15.0 (3095061)(8) (3076810)(8) 15.0
(167700)(4) 15.3 (3095759)(C) 15.5 –
Page 32
(195850) 13.5 (3095741) (3095705) 13.5 –
(198660) 15.5 (3095759)(1, C) 15.5 –
(198660)(8) 15.5 (3095747)(1, 8) (3095711)(1, 8) 15.5 (3095063)(8) (3076812)(8) 15.5
(198670) 10.0 (3095757) 16.0 –
(200390)(8) 14.1 (3095739)(6) (3095703)(6) 14.5 (3095062)(8) (3076811)(8) 14.5
(200400) 15.0 (3095738)(5) (3095702)(5) 15.0 (3095061)(8) (3076810)(8) 15.0
(203090) 14.5 (3095739)(6) (3095703)(6) 14.5 (3095062)(8) (3076811)(8) 14.5
(214190) 15.5 (3095747)(1, 8) (3095711)(1, 8) 15.5 (3095063)(8) (3076812)(8) 15.5
(214480) 14.1 (3095739)(6) (3095703)(6) 14.5 (3095062)(8) (3076811)(8) 14.5
(214870) 13.5 (3095741) (3095705) 13.5 –
(215040 16.2 (3095757)(C) 16.0 –
(215420)(4, 8) 14.5 (3095739)(6) (3095703)(6) 14.5 (3095062)(8) (3076811)(8) 14.5
(216020) 14.5 (3095739)(6) (3095703)(6) 14.5 (3095062)(8) (3076811)(8) 14.5
(218269)(4, 8) 14.7 (3095738)(5) (3095702)(5) 15.0 (3095061)(8) (3076810)(8) 15.0
(218520) 13.4 (3095741) (3095705) 13.5 –
(218860) 16.5 (3095759)(C) 15.5 (3095061)(8) (3076810(8) –
(219110) 15.9 (3095757)(C) 16.0 –
(3007244) 15.5 (3095747)(1, 8) (3096812)(8) 15.5 (3095063)(8) (3076812)(8) 15.5
(3007245) 14.3 (3095739)(6) (3095703)(6) 14.5 (3095062)(8) (3076811)(8) 14.5
(3007246) 15.8 (3095757)(C) 16.0 –
(3008472)(4, 8) 14.3 (3095739)(6) (3095703)(6) 14.5 (3095062)(8) (3076811)(8) 14.5
(3009626)(8) 15.0 (3095738)(5) (3095702)(5) 15.0 (3095061)(8) (3076810)(8) 15.0
(3010570)(8) 13.7 (3095740) (3095704) 14.0 (3095060)(8) (3076809)(8) 14.0
(3012424) 15.0 (3095738)(5) (3095702)(5) 15.0 (3095061)(8) (3076810)(8) 15.0
(3017008)(8) 15.0 (3095738)(5) (3095702)(5) 15.0 (3095061)(8) (3076810)(8) 15.0
(3017348)(5) 15.0 (3095755)(5) – 15.0 – – –
(3017348)(5) 15.0 (3095738)(5) (3095702)(5) 15.0 (3095061)(8) (3076810)(8) 15.0
(3017349)(6, 8) 14.5 (3095756)(6) – 14.5 – – –
(3017349)(6, 8) 14.5 (3095739)(6) (3095703)(6) 14.5 (3095062)(8) (3076811)(8) 14.5
(3020944) 13.7 (3095742) (3095706) 14.0 – – –
(3023102)(8) 13.9 (3095740)(8) (3095704)(8) 14.0 (3095060)(8) (3076809)(8) 14.0
(3024675)(8) 13.9 (3095740)(8) (3095704)(8) 14.0 (3095060)(8) (3076809)(8) 14.0
(3024676) 14.5 (3095739)(6) (3095703)(6) 14.5 (3095062)(8) (3076811)(8) 14.5
(3025476)(8) 13.7 (3095740)(8) (3095704)(8) 14.0 (3095060)(8) (3076809)(8) 14.0
(3025477)(8) 14.1 (3095740)(8) (3095704)(8) 14.0 (3095060)(8) (3076809)(8) 14.0
(3025516)(1) 15.5 (3095759)(1, C) – 15.5 – – –
(3025516)(1, 4) 15.5 (3095747)(1, 8) (3095711)(1, 8) 15.5 (3095063)(8) (3076812)(8) 15.5
(3028685)(2) 14.0 (3095737)(2) (3095701(2) 14.0 (3095060)(8) (3076814)(8) 14.0
(3028685)(3) 14.0 (3095740)(3) (3095704)(3) 14.0 – – –
(3028686)(8) 14.5 (3095739)(6) (3095703)(6) 14.5 (3095062)(8) (3076811)(8) 14.5
(3028706)(7, 8) 15.3 (3095743)(7, 8) (3095707)(7, 8) 15.5 (3095063)(8) (3076812)(8) 15.5
(3031139)(8) 14.0 (3095740)(8) (3095704)(8) 14.0 (3095060)(8) (3076809)8) 14.0
(3031140) 14.5 (3095739) (3095703) 14.5 (3095062)(8) (3076811)(8) 14.5
(3034185) 17.2 (3095744) (3095708) 17.2 –
(3035832) 14.0 (3095737)(2) (3095701)(2) 14.0 (3095065098) (3076814)(8) 14.0
(3037285) 15.4 15.4 (3095063)(8) (3076812)(8) 15.5
Page 33
(3037346) 13.4 (3095741) (3095705) 13.5 – – –
(3042318)(8) 14.5 (3095745)(8) (3095709)(8) 14.5 (3095062)(8) (3076811)(8) 14.5
(3042319)(8) 15.0 (3095746)(8) (3095710)(8) 15.0 (3095061)(8) (3076810(8) 15.0
(3042319)(8) 15.5 (3095747)(8) (3095711)(8) 15.5 (3095063)(8) (3076812)(8) 15.5
(3042320)(8) 15.5 (3095747)(8) (3095711)(8) 15.5 (3095063)(8) (3076812)(8) 15.5
(3045948)(9) 14.5 (3095062)(9) (3095062)(9) 14.5 (3095062) (3076811) 14.5
(3048650) 15.5 (3095759)(C) – 15.5 – – –
(3048808)(9) 14.0 – – 14.0 (3095060)(10) (30766809)(10) 14.0
(3048809)(9) 15.0 – – 15.0 (3095061) (3076810) 15.0
(3050366)(9) 15.5 – – 15.5 (3095063) (3076812) 15.5
(3050480)(9) 14.0 – – 14.0 (3095065)(10) (3076814)(10) 14.0
(3050481)(9) 14.5 – – 14.5 (3095066)(10) (3076815)(10) 14.5
(3051553)(C) 16.0 (3095757)(C) – 16.0 – – –
(3051554)(5) 15.0 (3095738)(5) (3095702)(5) 15.0 (3095061)(8) (3076810)(8) 15.0
(3051555)(6) 14.5 (3095739)(6) (3095703)(6) 14.5 (3095062)(8) (3076811)(8) 14.5
(3051556)(8) 14.0 (3095740)(8) (3095704)(8) 14.0 (3095060)(8, 10) (3076809)(8, 10) 14.0
(3051557) 13.5 (3095741) (3095705) 13.5 – – –
(3052794)(9) 15.5 – – 15.5 (3095067) (3076816) 15.5
(3053500)(9) 14.0 – – 14.0 (3095065) (3076814) 14.0
(3053526)(9) 17.0 – – 17.0 (3095064) (3076813) 17.0
(3058566)(9) 15.0 – – 15.0 (3095068) (3076817) 15.0
(3063003(9) 15.0 – – 15.0 (3095069) (3076818) 15.0
(3069212)(9) 16.5 – – 16.5 (3095064) (306813) 16.5
(3074493)(9) 15.0 – – 15.0 (3095068) (3076817) 15.0
(3074494)(9) 15.0 – – 15.0 (3095069) (3076818) 15.0
(3150043) 14.3 (3095739)(6) (3095703)(6) 14.5 (3095062)(8) (3076811)(8) 14.5
1. Naturally aspirated and nonpiston cooled turbocharger engines must use piston Part No. (3095759). Engines which are turbocharged and havepiston cooling require pistong Part No. (3095747).
2. Piston (3095737) must be used when engine is equipped with a high lift cam, Part Nos. 3028260, 3036697, 3051132, 3053130, 3058957,3087651, 3087652, or 3608787.
3. Use Part No. (3095740) on all NH and NT 855 engines which formerly used piston, Part No. (3028685) except Big Cam IV and NTE engines usinga high lift camshaft.
4. The piston is of a different weight. Replace with a full set of six.5. Engines without piston cooling must use Piston , Part No. (3095755).6. Engines without piston cooling must use piston , Part No. (3095756).7. Piston (3095743) must be used when the engine is equipped with a high lift cam, Part Nos. 3028260, 3036697, 3051132, 3053130, 3058957,
3087651, 3087652, or 3608787.8. The DualNi piston is heavier than the SingleNi, replace in full sets.9. Dual NiResist piston10. TriTech™ Dual NiResist pistons are not approved for NT Industrial Generator sets rated above 400 horsepower.
NOTE: All part numbers listed in (parentheses) are either obsolete or sold in a higher level kit.
(C) TriTech™ Piston listed can be used either with or without piston cooling.
Table 3: Old Piston Kit to TriTech™ Piston Kit
If the CPL number of an engine is known, use Table 1 for applicable piston and cylinder kits.
CAUTION
Do not use Dual NiResist pistons in engines that are not both piston cooled and aftercooled.
Original Single NiResist Piston Kits Dual NiResist Piston Kits
Piston Kit (Piston) TriTech™ Plus Piston Kit TriTech™ Piston Kit TriTech™ Plus Piston Kit(Piston)
TriTech™ Piston Kit(Piston)
Page 34
(Piston) (Piston)
(AR3490) (167700) 3804409 (3095759) (1) – – –
(AR3500) (135980) (8) 3804411 (3095738) (5) 3804321 (3095702) (5) 3804423 (3095061) 3804333 (3076810)
(AR5980) (198670) 3804406 (3095757) – – –
(AR6000) (198660) 3804409 (3095759) (1) – – –
(AR6290) (200400) 3804411 (3095738) (5) 3804321 (3095702) (5) 3804423 (3095061) 3804333 (3076810)
(AR8198) (203090) (8) 3804414 (3095739) (6) 3804324 (3095703) (6) 3804426 (3095062) 3804336 (3076811)
(AR11220) (218520) (4) 3804419 (3095741) 3804329 (3095705) – –
(AR11675) (215420) (S, 4,8) 3804414 (3095739) (6) 3804324 (3095703) (6) 3804426 (3095062) 3804336 (3076811)
(AR11786) (215420) (4, 8) 3804414 (3095739)(6) 3804324 (3095703)(6) 3804426(3095062) 3804336(3076811)
(AR1233) (216020) (8) 3804414 (3095739)(6) 3804324 (3095703)(6) 3804426 (3095062) 3804336 (3076811)
(AR12548) (219110) 3804406 (3095757) – – –
(AR87395) (3020944) 3804418 (3095742) 3804328 (3095706) – –
(BM87305) (3017349) (S,8) 3804414 (3095739) (6) 3804324 (3095703) (6) 3804426 (3095062) 3804336 (3076811)
(3007113) (218269) (4, 8) 3804411 (3095738) (5) 3804321 (3095702) (5) 3804423 (3095061) 3804333 (3076810)
(3008172) (3008472) (4,8) 3804414 (3095739) (6) 3804324 (3095703) (6) 3804426 (3095062) 3804336 (3076811)
(3013459) (3017348) (S) 3804411 (3095738) (5) 3804321 (3095702) (5) 3804423 (3095061) 3804333 (3076810)
(3016785) (3017349) (S,8) 3804414 (3095739) (6) 3804324 (3095703) (6) 3804426 (3095062) 3804336 (3076811)
(3017958) (3012424) (S) 3804411 (3095738) (5) 3804321 (3095702) (5) 3804423 (3095061) 3804333 (3076810)
(3024565) (3017349) (S,8) 3804414 (3095739) (6) 3804324 (3095703) (6) 3804426 (3095062) 3804336 (3076811)
(3260366) (3051554) (S) 3804411 (3095738) (5) 3804321 (3095702) (5) 3804423 (3095061) 3804333 (3076810)
(3060612) (3023102) (S,8) 380447 (3095740) (8) 3804327 (3095704) (8) 3804428 (3095060) 3804338 (3076809)
(3262228) (3028706) (S,7, 8) 3804407 (3095743) (1, 8) 3804317 (3095707) (1, 8) – –
(3262391) (3028685) (S,3) 3804417 (3095740) (8) 3804327 (3095704) (8) 3804428 (3095060) 3804338 (3076809)
(3262391) (3029695) (S,2) 3804416 (3095737) (2) 3804326 (3095701) (2) 3804429 (3095065) 3804339 (3076814)
3801058 (3017349) (5) 3804411 (3095738) (5) 3804321 (3095702) (5) 3804423 (3095061) 3804333 (3076810)
3801058 (3017349) (6, 8) 3804414 (3095739) (6) 3804324 (3095703) (6) 3804426 (3095062) 3804336 (3076811)
(3801059) (3023102) (8) 3804417 (3095740) (8) 3804327 (3095740) (8) 38043428 (3095060) 3804338 (3076809)
(3801087) (3020944) 3804418 (3095742) 3804328 (3095706) – –
(3801104) (3025516) (1,4) 3804408 (3095742) (1, 8) 3804318 (3095711) (1, 8) 3804421 (3095063) 3804331 (3076812)
(3081104) (3025516) 3804409 (3095759) (1) – – –
(3801112) (3025476) (8) 3804417 (3095740) (8) 3804327 (305704) (8) 3804428 (3095060) 3804338 (3076809)
(3801113) (3025477) (8) 3804417 (3095740) (8) 3804327 (3095704) (8) 3804428 (3095060) 3804338 (3076809)
3801229 (3028706) (7, 8) 3804407 (3095743) (1, 8) 3804317 (3095707) (1, 8) – –
(3801231) (3028686) (8) 3804414 (3095739) (6) 3804324 (3095703) (6) 3804426 (3095062) 3804336 (3076811)
3801233 (3028685) (2) 3804415 (3095737) (2) 3804326 (3095701) (2) 3804429 (3095065) 3804339 (3076814)
3801233 (3028685) (3) 3804417 (3095740) (8) 3804327 (3095704) (8) 3804428 (3095060) 3804338 (3076809)
(3801295) (3031139) (8) 3804417 (3095740) (8) 3804327 (3095704) (8) 3804428 (3095060) 3804338 (3076809)
(3801296) (3031140) 3804414 (3095739) (6) 3804324 (3095703) (6) 3804426 (3095062) 3804336 (3076811)
3801393 (3051557) 3804419 (3095741) 3804329 (3095705) – –
(3801396) (3051555) (S) 3804414 (3095739) (6) 3804324 (3095703) (6) 3804426 (3095062) 3804336 (3076811)
3801424 (3031227) 3804418 (3095742) 3804328 (3095706) – –
(3801455) (3037285) – – 3804421 (3095063) 3804331 (3076812)
3801457 (3034185) 3804405 (3095744) 3804315 (3095708) – –
3801533 (3042318) (8) 3804416 (3095737) (2) 3804326 (3095701) (2) 3804429 (3095065) 3804339 )3076814)
3801534 (3045948) – – 3804426 (3095062) 3804336 (3076811)
3801535 (3042320) (1, 8) 3804408 (3095747) (1, 8) 3804318 (3095711) (1, 8) 38904421 (3095063) 3804331 (3076812)
Page 35
3801660 (3042319) (8) 3804412 (3095746) (8) 3804322 (3095710) (8) 3804423 (3095061) 3804333 (3076810)
(3801673) (3035832) (8) 3804416 (3095737) (2) 3804326 (3095701) (2) 3804429 (3095065) 3804339 (3076814)
3801703 (3048650) (1) 3804409 (3095759) (1) – – –
3801744 (3040480) (10) – – 3804429 (3095065) (10) 3804339 (3076814) (10)
3801745 (3050481) (10) – – 3804427 (3095066) (10) 3804337 (3076815) (10)
3801766 (3051553) 3804406 (3095757) – – –
3801770 (3051555) (6) 3804414 (3095739) (6) 3804324 (3095703) (6) 3804426 (3095062) 3804336 (3076811)
3801773 (3051556) (8,10) 3804417 (3095740) (8) 3804327 (3095704) (8) 3804428 (3095060) (10) 3804338 (3076809) (10)
3801818 (3050366) – – 3804421 (3095063) 3804331 (3076812)
3801819 (3048808) (10) – – 3804428 (3095060) (10) 3804338 (3076809) (10)
3801820 (3048809) – – 3804423 (3095061) 3804333 (3076810)
3801821 (3053500) – – 3804429 (3095065) 3804339 (3076814)
3801876 (3051554) (5) 3804411 (3095738) (5) 3804321 (3095702) (5) 3804423 (3095061) 3804333 (3076810)
(3801953) (3053626) – – 3804420 (3095064) 3804330 (3076813)
3801954 (3052794) – – 3804422 (3095067) 3804332 (3076816)
(3803037) (3058566) – – 3804424 (3095068) 3804334 (3076817)
(3803244) (3063003) – – 3804425 (3095069) 3804335 (3076818)
3803344 (3069212) – – 3804420 (3095064) 3804330 (3076813)
(3803364) (3064259) – – 3803754 (3081268) –
(3803365) (3055226) – – 3803754 (3081268) 3803752 (3081266)
(3803428) (3068506) – – 3803758 (3081269) 3803756 (3081267)
(3803429) (3072324) – – 3803758 (3081269) –
3803544 (3074493) – – 3804424 (3095068) 3804334 (3076817)
3803546 (3074494) – – 3804425 (3095069) 3804335 (3076818)
(1) Naturally aspirated and nonpiston cooled turbocharged engines must use piston, Part No. (3095759). Engines which are turbocharged andhave piston cooling require piston, Part No. (3095747).(2) Piston (3095737) must be used when the engine is equipped with high lift cam, Part Nos. 3028260, 3036697, 3051132, 3051130, 3058957,3807657, 3087652, or 3608787.(3) Use Part No. (3095740) on all NH/NT 855 engines which formerly used piston, Part No. (3028685) except Big Cam IV and NTE engines using ahigh lift camshaft.(4) The piston used in the current piston kit is of a different weight. Replace with a full set of six.(5) Engines without piston cooling must use piston Part No. (3095738).(6) Engines without piston cooling must use piston Part No. (3095739).(7) Piston (3095747) must be used when the engine is equipped with high lift cam, Part No. 3028260, 3036697, 3051132, 3053130, 3058957,3087651, 3087652, or 3608787.(8) The Dual Ni piston used in the Dual Ni Piston Kit is of a different weight. Replace with a full set of six.(9) Kit contains a Dual Ni Piston.(10) TriTech Dual NiResist pistons are not approved for NT Industrial Generator sets rated above 400 Horsepower.(S) Kit contained a hollow piston pin. If replacement of the pin is needed order the correct piston pin part number.
Table 4: Old Cylinder Kit to TriTech™ Cylinder Kit
If the CPL number of an engine is known, use Table 1 for applicable piston and cylinder kits.
All TriTech™ Cylinder Kits contain Lower Press Fit (LPF) cylinder liners.
CAUTION
Do not use Dual NiResist pistons in engines that are not both piston cooled and aftercooled.
Original Single NiResist Cylinder Kits TriTech™ Plus LPF TriTech™LPF
Dual NiResist Cylinder Kits TriTech™ Plus LPF TriTech™LPF
Cylinder Kit Standard .020/.040 Standard .020/.040 Standard .020/.040 Standard .020/.040(AR5973) 3804436 3804466 3804346 3804376 – – – –
(AR6072) (10) – – – – – – – –
(AR6291) (10) – – – – – – – –
(AR6293) (5) 3804441 3804471 3804351 3804381 3804453 3804483 – –
(AR6674) (1) 3804439 3804469 3804349 3804379 – – – –
(AR8591)(6, 8) 3804444 3804474 3804354 3804384 3804456 3804486 – –
Page 36
(3014601)(4) 3804449 3804479 3804359 3804389 – – – –(3014602) (4, 6,8) 3804444 3804474 3804354 3804384 3804456 3804486 – –
(3016890) (6, 8)* 3804444 3804474 3804354 3804384 3804456 3804486 – –
(3016891) 3804436 3804466 3804346 3804376 – – – –
(3016893)(4, 6,8) 3804444 3804474 3804354 3804384 38044456 3804486 – –
(3017960)(5) 3804441 3804471 3804351 3804381 3804453 3804483 – –
(3081050) 3804448 3804478 3804358 3804388 – – – –
(3801060)(5) 3804441 3804471 3804351 3804381 3804453 3804483 – –
(3801061)(6) 3804444 3804474 3804354 3804384 3804456 3804486 – –
(3801062)(3, 8) 3804447 3804477 3804357 3804387 3804458 3804488 – –
(3801105)(1, 4,8) 3804438 3804468 3804348 3804378 3804451 3804481 – –
(3801230)(1, 7,8) 3804438 3804468 3804348 3804378 3804451 3804481 – –
(3801232)(6) 3804444 3804474 3804354 3804384 3804456 3804486 – –
(3801234)(2, 3,8) 3804447 3804477 3804357 3804387 3804458 3804488 – –
(3801297)(3, 8) 3804447 3804477 3804357 3804387 3804458 3804488 – –
(3801298)(6) 3804444 3804474 3804354 3804384 3804456 3804486 – –
(3801392) 3804449 3804479 3804359 3804389 – – – –
(3801394) 3804449 3804479 3804359 3804389 – – – –
(3801395)(10) – – – – – – – –
(3801425) 3804448 3804478 3804358 3804388 – – – –
(3801458) – – – – 3804451 3804481 3804361 3804391
(3801460) 3804435 3804465 3804345 3804375 – – – –
(3801536)(8) 3804445 3804475 3804355 3804385 3804456 3804486 – –
(3801537)(6) – – – – 3804456 3804486 3804366 3804396
(3801538)(1) 3804438 3804468 3804348 3804378 3804451 3804481 – –
(3801661)(8) 3804442 3804472 3804352 3804382 380444453 3804483 – –
(3801674)(2) 3804446 3804476 3804356 3804386 3804459 3804489 – –
(38017051)(1, 8) 3804438 3804468 3804348 3804378 3804451 3804481 – –
(3801748) – – – – 3804459 3804489 3804369 3804399
(3801747) – – – – 3804457 3804487 3804367 3804397
(3801760) 3804441 3804471 3804351 3804381 3804453 3804483 – –
(3801761)(6, 8) 3804444 3804474 3804354 3804384 3804456 3804486 – –
(3801762)(8) 3804447 3804477 3804357 3804387 3804458 3804488 – –
(3801764) 3804436 3804466 3804346 3804376 – – – –
(3801765) 3804436 3804466 3804346 3804376 – – – –
(3801768)(6) 3804444 3804474 3804354 3804384 3804456 3804486 – –
(3801771)(8) 3804447 3804477 3804357 3804387 3804458 3804488 – –
(3801774)(8) 3804438 3804468 3804348 3804378 3804451 3804481 – –
(3801775)(8) 3804438 3804468 3804348 3804378 3804451 3804481 – –
(3801776)(5) 3804441 3804471 3804351 3804381 3804453 3804483 – –
(3801777)(5) 3804441 3804471 3804351 3804381 3804453 3804483 – –
(3801779)(6) 3804444 3804474 3804354 3804384 3804456 3804486 – –
(3801780)(8) 3804447 3804477 3804357 3804387 3804458 3804488 – –
(3801781) 3804449 3804479 3804359 3804389 – – – –
(3801782) 3804449 3804479 3804359 3804389 – – – –
(3801783) 3804448 3804478 3804358 3804388 – – – –
(3801794) 3804449 3804479 3804359 3804389 – – – –
(3801795)(1) 3804439 3804469 3804349 3804379 – – – –
(3801796) 3804446 3804476 3804356 3804386 3804459 3804489 – –
(3801797)(8) 3804445 3804475 3804355 3804385 3804456 3804486 – –
Page 37
(3801798)(8) 3804442 3804472 3804352 3804382 3804453 3804483 – –(3801799) – – – – 3804451 3804481 3804361 3804391
(3801800) 3804435 4804465 3804345 3804375 – – – –
(3801817) – – – – 3804456 3804486 3804366 3804396
(3801822) – – – – 3804451 3804481 3804361 3804391
(3801823) – – – – 3804458 3804488 3804368 3804398
(3801824) – – – – 3804453 3804483 3804363 3804393
(3801825) – – – – 3804459 3804489 3804369 3804399
(3801872) 3804443 3804473 3804353 3804383 – – – –
(3801873) 3804443 38044473 3804353 3804383 – – – –
(3801874) 3804440 3804470 3804350 3804380 – – – –
(3801875) 3804440 3804470 3804350 3804380 – – – –
(3801955) – – – – 3804450 3804480 3804360 3804390
(3801956) – – – – 3804452 3804482 2804362 3804392
(3803038) – – – – 3804454 3804484 3804364 3804394
(3803209) 3804446 3804476 3804356 3804386 3804458 3804488 – –
(3803210) 3804438 3804468 3804348 3804378 – – – –
(3803211) 3804436 3804466 3804346 3804376 – – – –
(3803212) 3804441 3804471 3804351 3804381 3804453 3804483 – –
(3803213) 3804444 3804474 3804354 3804384 3804456 3804486 – –
(3803214) 3804447 3804477 3804357 3804387 – – – –
(3803215) – – – – 3804453 3804483 3804363 3804393
(3803216) – – – – 3804456 3804486 3804366 3804396
(3803217) – – – – 3804458 3804488 3804368 3804398
(3803218) – – – – 3804451 3804481 3804361 3804391
(3803220) 3804435 3804465 3804345 3804375 – – – –
(3803221) 3804439 3804469 3804349 3804379 – – – –
(3803223) 3804440 3804470 3804350 3804380 3804453 3804483 – –
(3803224) 3804442 3804472 3804352 3804382 – – – –
(3803225) 3804445 3804475 3804355 3804385 3804459 3804489 – –
(3803226) 3804443 3804473 3804353 3804383 3804456 3804486 – –
(3803227) 3804448 3804478 3804358 3804388 – – – –
(3803228) 3804449 3804479 3804359 3804389 – – – –
(3803233) – – – – 3804459 3804489 3804369 3804399
(3803346) – – – – 3804450 3804480 3804460 3804490
(3803545) – – – – 3804454 3804484 3804364 3804394
(3803547) – – – – 3804455 3804485 3804365 3804395
(3803652) – – – – 3804450 3804480 3804360 3804390
(3803653) – – – – 3804452 3804482 3804362 3804392
(3803654) – – – – 3804454 3804484 3804364 3804394
(3803655) – – – – 3804455 3804485 3804365 3804395
1. Naturally aspirated and nonpiston cooled turbocharged engines must use piston Part No. (3095759). Engines which are turbocharged and havepiston cooling require piston Part No. (3095747).
2. Piston (3095737) must be used when the engine is equipped with a high lift camshaft, Part No. 3028260, 3036697, 3051132, 3053130, 3058957,3087651, 3087652 or 3608787.
3. Use piston Part No. (3095740) on all NH/NT 855 engines which formerly used piston Part No. (3028685), except Big Cam IV and using a high liftcamshaft.
4. The replacement piston is of a different weight. Replace in full sets of six.5. Engines without piston cooling must use piston, Part No. (3095755).6. Engines without piston cooling must use piston, Part No. (3095756).7. Piston (3095743) must be used when the enigne is equipped with high lift camshaft, Part No. 3028260, 3036697, 3051132, 3053130, 3058957,
3087651, 3087652, or 3608787.8. The Dual Ni piston is of a different weight. Replace in sets of six.9. Kit contains a Dual Ni Piston.10. Original cylinder kit contained cylinder liner, Part No. 148860, which can be purchased as a separate item.
Table 5: TriTech™ Pistons, Piston Kits and Cylinder Kit
See Table 1 for appropriate piston if the engine CPL number is known.
Page 38
Single NiResist OptionsSingle NiResist TriTech Plus Single NiResist TriTech Single NiResist TriTech Plus Dual NiResist LPF Cylinder Kit LPF Cylinder Kit LPF Cylinder KitPistonPart No.
Comp.Ratio
PistonPart No.
PistonKit Standard .020/.040 Piston
Part No.PistonKit Standard .020/.040 Piston
Part No.PistonKit Standard .020/.040
(3095701) 14.0 (3095737) 3804416 3804446 3804476 (3095701) 3804326 3804356 3804386 (3095065) 3804429 3804459 3804489
(3095702) 15.0 (3095738) 3804411 3804441 3804471 (3095702) 3804321 3804351 3804381 (3095061) 3804423 3804453 3804483
(3095703) 14.5 (3095739) 3804414 3804444 3804474 (3095703) 3804324 3804354 3804384 (3095062) 3804426 3804456 3804486
(3095704) 14.0 (3095740) 3804417 3804447 3804477 (3095704) 3804327 3804357 3804387 (3095060) 3804428 3804458 3804488
(3095705) 13.5 (3095741) 3804419 3804449 3804479 (3095705) 3804329 3804359 3804389 – – – –
(3095706) 14.0 (3095742) 3804418 3804448 3804478 (3095706) 3804328 3804358 3804388 – – – –
(3095707) 15.5 (3095743) 3804407 3804437 3804467 (3095707) 3804317 3804347 3804377 – – – –
(3095708) 17.2 (3095744) 3804405 3804435 3804465 (3095708) 3804315 3804345 3804375 – – – –
(3095709) 14.5 (3095745) 3804415 3804445 3804475 (30955709) 3804325 3804355 3804385 (3095062) 3804426 3804456 3804486
(3095710) 15.0 (3095746) 3804412 3804442 3804472 (3095710) 3804322 3804352 3804382 (3095061) 3804423 3804453 3804483
(3095711) 15.5 (3095747) 3804408 3804438 3804468 (3095711) 3804318 3804348 3804378 (3095063) 3804421 3804451 3804481
(3095737) 14.0 (3095737) 3804416 3804446 3804476 (3095701) 3804326 3804356 3804386 (3095065) 3804429 3804459 3804489
(3095738) 15.0 (3095738) 3804411 3804441 3804471 (3095702) 3804321 3804351 3804381 (3095061) 3804423 3804453 3804483
(3095739) 14.5 (3095739) 3804414 3804444 3804474 (3095703) 3804324 3804354 3804384 (3095062) 3804426 3804456 3804486
(3095740) 14.0 (3095740) 3804417 3804447 3804477 (3095704) 3804327 3804357 3804387 (3095060) 3804428 3804458 3804488
(3095741) 13.5 (3095741) 3804419 3804449 3804479 (3095705) 3804329 3804359 3804389 – – – –
(3095742) 14.0 (3095742) 3804418 3804448 3804478 (30957006) 3804328 3804358 3804388 – – – –
(3095743) 15.5 (3095743) 3804407 3804437 3804467 (3095707) 3804317 3804347 3804377 – – – –
(3095744) 17.2 (3095744) 3804405 3804435 3804465 (3095708) 3804315 3804345 3804375 – – – –
(3095745) 14.5 (3095745) 3804415 3804445 3804475 (3095709) 3804325 3804355 3804385 (3095062) 3804426 3804456 3804486
(3095746) 15.0 (3095746) 3804412 3804442 3804472 (3095710) 3804322 3804352 3804382 (3095061) 3804423 3804453 3804483
(3095747) 15.5 (3095747) 3804408 3804438 3804468 (3095711) 3804318 3804348 3804378 (3095063) 3804421 3804451 3804481
(3095755) 15.0 (3095755) 3804410 3804440 3804470 (3095755) 3804410 3804350 3804380 – – – –
(3095756) 14.5 (3095756) 3804413 3804444 3804473 (3095756) 3804413 3804353 3804383 – – – –
(3095757 16.0 (3095757) 3804406 3804436 3804466 (3095757) 3804406 3804346 3804376 – – – –
(3095759) 15.5 (3095759) 3804409 3804439 3804469 (3095759) 3804409 3804349 3804379 – – – –
Dual NiResist OptionsDual NiResist TriTech Plus Dual NiResist TriTech Dual NiResistPiston Part No. Comp. Ratio Piston Part No. Piston Kit Standard .020/.040 Piston Part No. Piston Kit Standard .020/.040(3076809) 14.0 (3095060) 3804428 3804458 3804488 (3076809) 3804338 3804368 3804398
(3076810) 15.0 (3095061) 3804423 3804453 3804483 (3076810) 3804333 3804363 3804393
(3076811) 14.5 (3095062) 3804426 3804456 3804486 (3076811) 3804336 3804366 3804396
(3076812) 15.5 (3095063) 3804421 3804451 3804481 (3076812) 3804331 3804361 3804391
(3076813) 16.5 (3095064) 3804420 3804450 3804480 (3076813) 3804330 3804360 3804390
(3076814) 14.0 (3095065) 3804429 3804459 3804489 (3076814) 3804339 3804369 3804399
(3076816) 15.5 (3095067) 3804422 3804452 3804482 (3076816) 3804332 3804352 3804392
(3076817) 15.0 (3095068) 3804424 3804454 3804484 (3076817) 3804334 3804364 3804394
(3076818) 15.0 (3095069) 3804425 3804455 3804485 (3076818) 3804335 3804365 3804395
(3081266) (3081266) 3803754 3804355 (3081266) 3803752 3803753
(3081267) (3081269) 3803758 3803759 (3081267) 3803756 3803757
(3081268) (3081268) 3803754 3803755
(3081269) (3081269) 3803758 3803759
(3095060) 14.0 (3095060) 3804428 3804458 3804488 (3076809) 3804338 3804368 3804398
(3095061) 15.0 (3095061) 3804423 3804453 3804483 (3076810) 3804333 4804363 3804393
(3095062) 14.5 (3095062) 3804426 3804456 3804486 (3076811) 3804336 3804366 3804396
(3095063) 15.5 (3095063) 3804421 3804451 3804481 (3076812) 3804331 3804361 3804391
(3095064) 16.5 (3095064) 3804420 3804450 3804480 (3076813) 3804330 3804360 3804390
(3095065) 14.0 (3095065) 3804429 3804459 3804489 (3076814) 3804339 3804369 3804399
Page 39
(3095066) 14.5 (3095066) 3804427 3804457 3804487 (3076815) 3804337 3804367 3804397
(3095067) 15.5 (3095067) 3804422 3804452 3804482 (3076816) 3804332 3804362 3804392
(3095068) 15.0 (3095068) 3804424 3804454 3804484 (3076817) 3804334 3804364 3804394
(3095069) 15.0 (3095069) 3804425 3804455 3804485 (3076818) 3804335 3804365 3804395
CAUTION
Do not use Dual Ni pistons in engines that are not both piston cooled and aftercooled.
Table 6: TriTech™ Ring Sets
3803358 TriTech™ Plus Ring Set
3064396 Top Compression Ring, Inlaid Chrome
3064397 2nd Compression Ring, Chrome Faced Ductile Iron
3064398 "I" Oil Control Ring, Chrome Faced
3803990 TriTech™ Ring Set
3095045 Top Compression Ring, Inlaid Chrome
3095046 2nd Compession Ring, Ductile Iron
3095047 "I" Oil Control Ring, Chrome Faced
Table 7: Liner Flange Sealing Ring Shims
Shim ThicknessInches
Sealing Ring Shim Standard LPF Liner ShimPart No.
ColorCode
Sealing Ring Shim .020/.040 LPF Liner ShimPart No.
ColorCode
0.0070 3019955 – – –
0.0080 3019956 – – –
.0090 3019957 – – –
.0180 – – 3066843 Brown
0.0195 3054947 Black – –
0.205 3054948 – 3065406 Pink
0.0215 3054949 Orange – –
0.0220 – – 3066844 Gray
0.0315 3019959 – 3070547 Blue
0.0620 3019960 – – –
NOTE: The 0.51/1.02 mm [0.020/0.040inch] sealing ring shims must be used with either the [0.020/0.040inch] liner, Part No. (3065405) or the1.02/1.02 mm [0.040/0.040] liner, Part No. (3054936).
Table 8: Counterbore Upper Deck Repair Sleeves
The following sleeves must be used to bring worn or damaged block counterbores back to standard dimensions so that standard LPF liner, Part No.(3055099) can be used.
Repair Sleeve Outside Diameter Inches Repair Sleeve Part No.6.750 3822959
6.760 3822960
6.770 3822961
6.780 3822962
Table 9: TriTech™ Cylinder Kit to TriTech™ Overhaul Kit
TriTech™ Standard LowerPress Fit Cylinder Kit PartNo.
TriTech™ Standard LowerPress Fit with New Style (A)Bearings
TriTech™ Standard Lower Press FitOverhaul Kit with Old Style (B)Bearings
TriTech™ Oversized Lower Press FitOverhaul Kit with New Style (A)Bearings
3804345 3804505 – 3804605
3804346 3804506 3804536 3804606
3804347 3804507 – 3804607
3804348 3804508 3804538 3804608
3804349 3804509 3804539 3804609
3804350 3804510 – 3804610
3804351 3804511 3804541 3804611
Page 40
3804351 3804511 3804541 3804611
3804352 3804512 – 3804612
3804353 3804513 3804543 3804613
3804354 3804514 3804544 3804614
3804355 3804515 – 3804615
3804356 3804516 – 3804616
3804357 3804517 – 3804617
3804358 3804518 – 3804618
3804359 3804519 3804549 3804619
1. (A) These kits contain newer style rod bearings set, Part No. 2140, with offset oil hole.2. (B) These kits contain older style rod bearing set, Part No. 203660, with veritcally centered oil hole.
Document History
Date Details2011516 Module Created
Last Modified: 20Dec2011
Copyright © 20002010 Cummins Inc. All rights reserved.