CAT DIESEL ENGINE PARTS LIST
CAT 3406, CAT3408, CAT 3412, CAT 3508, CAT 3512, CAT 3516
Caterpillar 3408/18.0L 8 Cylinder
Diesel 1099 CID (Continued) Bore 5.400 Stroke 6.000
8 1082104-F Plunger and barrel 3400B & C Dl engines
8 7N9843 Capsule nozzle PC Engines (repl 4N1251)
8 9L6884 Injector nozzle Dl, Small capsule style nozzle
8 8M4437-F Oring nozzle adapter Far fuel line adapter through head
28V1 – 28V4773
8 5P8119 Oring nozzle adapter For fuel line adapter through head
28V4774 & Up
8 3T8705 Glow plug 12 volt
INJ4 FUEL PUMP
1 4W0788-F Fuel priming pump
hand pump, use witn i mounting gasket
1 1P0436-F Gasket priming pump To mount 4W0788 pump
1 6J2419 Oring fuel pump Transfer pump mounting; to mount 4W5481
1 1W4797-F Diaphram Air/fuel ratio control, 92U serial numbers
1 6L5766 Gasket air fuel control 92U serial numbers
COOLING SYSTEM
1 4N7498 Water pump
1 1293068 Water pump kit Ball bearing style pump (Does nat contain seals or impeller; replaces 9N6289)
1 4W3864-F Water pump seal Assembly, 1.350 case diameter (Replaces 7E6844,1010700, 1067150)
1 1012749 Backing plate
1 8C3100-F Seal water pump Teflon lip seal [repl 8T1361]
2 4W4794 Thermostat Used with 7W8066 water lines group only, 180 degree [new# 2477133]
2 7C3095 Thermostat 190 degrees [new# 2477133]
2 3S9643-F Seal thermostat Use with 6I4954 and 4W4794 thermostats
2 4N1156-F Gasket thermostat Cover
TURBO I AIR
TURBO TURBOCHARGER New or remanufactured available, call for pricing
4 2N2765 Bolt turbo mounting high head, high temp, stainless steel
4 8M2295 Bolt turbo mounting standard head, high temp, stainless steel
4 2N2766 Nut turbo mounting Turbo mounting and Exhaust manifold [new# 1687800]
1 1S4295-F Gasket turbo mtg Dual throat, turbo to exhaust manifold, 5.33 length x 3.6 width
1 7M7273-F Gasket turbo mtg Single throat, turbo to exhaust manifold
1 1S6595-F Gasket turbo oil Supply
1 1S4810-F Gasket turbo oil Drain
4S6137 Stud manifold exhaust 3/8H x 3.2″
7L0520 Stud manifold exhaust 3/8″ x 2″
6L8562 Stud manifold exhaust 3/8″ x 1-3/4′
2S3770 Spacer manifold exhaust 1-5/16″ long
5M2894 Washer manifold exhaus hardened, for 3/8″ studs (22132″ x 13/32″ x .1Q9″ thick)
BLOCK
2 614613-B Spacer plate Steel
614361 Insert counterbore .0304 thick
9Y3368 Insert counterbore .0324 thick
6I4362 Insert counterbore .0343 thick
2W3815 Insert counterbore .0625 thick
614364 Insert counterbore .0652 thick
614365 Insert counterbore .1047 thick
5N0093 Insert counterbore .1067 thick
614366 Insert counterbore .1087 thick
1010523 Insert counterbore .2051 thick
1010524 Insert counterbore ■2031 thick
1010525 Insert counterbore .2071 thick
Caterpillar
Diesel 1099 CID
3408/18.0L(Continued)
8 Cylinder Bore 5.400 Stroke 6.000 4W6061 Repair sleeve Lower liner oring receiver bore area
4W4588 Repair sleeve Lifter bore
Caterpillar G3408/18.0L 8 Cylinder
Gas Bore 5.400
1099 CID, Natural Gas Stroke 6.000
CYLINDER KIT
8 PLG7E3888 Cylinder kit 10.0:1 CR
8 PLG4P8996 Cylinder kit Gallery Cooled 9.7:1 CR
12 PLG1607994 Cylinder kit 8.5:1 CR
PLG7E3888CSWS Cylinder kit With Crevice Style Liner
PLG4P8996CSWS Cylinder kit With Crevice Style Liner
12 PLG1607994/CS Cylinder kit 8.5:1 CR, With Crevice Style Liner
8 7E3888 Piston body 10.0:1 Compression Ratio
8 4P8996 Piston body Gallery Coaled 9.7 :1 C.R.
12 1607994 Piston body 8.5: 1 C.R.
8 8N1608 Piston pin 2.QQQ dia, 4.4Q5 length; Use with D1 piston (wide taper rod)
16 7E5665 Retainer piston pin Use with 2.QQQ pin diameter [repl 8N7295]
8 7E3888SI Ring set For use only with 7E3888 piston
8 G3400RS Ring set For 4P8996 Gallery Cooled Piston Only
8 2W6000 Cylinder liner kit 5.4QQQ bore (uses 1183732 oring kit) [New# 1979322]
2W6000CSWS Cylinder liner 5.4DDD bore, Lower crevice seal liner
8 1183732 Cylinder liner oring kit For one liner, contains: (3) 1102220, (1) 9L5854
8 1183732CS Cylinder liner oring kit For one liner, for lower crevice seal liner
BEARINGS
5 2170390 Bearing main pair
4W5492-010 Bearing main pair .010,1.645 length, 4.7492/4.7508 std journal
4W5698 Bearing main pair .Q25# 1.645 length, 4.7492/4.7508 std journal [repl 6N4168, 7N1192,8N5422]
4W5699 Bearing main pair .050# 1.645 length, 4.7492/4.7508 std journal [repl 6N4170, 7N1194,8N5423]
2 7E9262 Thrust washer 2 per engine, 0.228 thick, no centering tab
8 9Y9497G Bearing rod pair Std, Grooved, 1.5350 length, 3.8189/3.8197 journal
9Y9497G-010 Bearing rod pair .010H
4W5702G Bearing rod pair .025# Grooved, 1.5350 length, 3.8189/3.8197 std journal
4W5703 Bearing rod pair ■050M
8 9Y7735G Bearing rod pair Std, Grooved, 1.9300 length, 3.5425/3.5441 journal
4FD306-Up, 1RK1-Up
7E0558 Bearing rod pair .025,1.9300 length, 3.5425/3.5441 std journal
7E0559 Bearing rod pair .050,1.930Q length, 3.5425/3.5441 std journal
3 4N0685 Bearing cam Position 2-7
2 4N6658 Bearing cam Front, position 1
8 8N0705 Bushing con rod 2.00 pin, straight
8 8N0706 Bushing con rod 2.DD pin, taper 6 degree
8 8N2018 Bushing con rod Wide taper rod, 1.9845 ID# 2.1825 0D, 1.875 0AL (can use 4P8495)
8 4P8495 Bushing con rod 2.00 pin, taper 9 degree, with relief
GASKET & SEALS
1 408261 Set overhaul Turbo Aftercaoled
1 408263 Set cylinder head Multiple
8 5P5678 Gasket valve cover Order by the Meter
Caterpillar G3408/18.0L 8 Cylinder
Gas (Continued) Bore 5.400
1099 CID, Natural Gas Stroke 6.000
1 5P5678-08 Gasket valve cover
Both valve covers
1 1425868 Seal crankshaft rear [rep( 2W1734]
1 1425867 Seal crankshaft front [repl 2W1733]
1 4N1151 Gasket oil pan
16 3E6772 Seal water Through spacer plate 14W1055)
ALVE TRAIN
CYLHEAD NOTE For complete and bare cylinder heads – Refer to Cylinder Head Catalog or Call with casting
G3400HEAD1
esn 6NB, 6FW, 6YRf 3WR: Thin head
16 1227353 Valve intake Intake, 20 degree
16 1018314 Valve exhaust 20 Degree, 7.14 length
32 4N5906 Valve spring 2.525 free, 1.25Q 0D# 0.866 ID, 0.192 wire; single spring engines, use with 6N7175 rotator
16 1511330 Valve guide intake
16 1511329 Valve guide Exhaust
64 2A4429 Valve lock 0.372 stem dia, 2G, 7 degree
32 6N7175 Rotator with shield, single spring engines
32 6N7174 Rotator shield use with 6N7175 and 1W5300, do not use with 4W2474
16 1227352 Valve insert Intake, 20 degree; use with 1227353
16 1986529 Valve insert 20 degree
Exhaust
G3400HEAD2
esn 4FD343-Up and 1RK1-Up
16 2120932 Valve intake 20 degree, 7.62Q1 length
esn 6NB, 6FW, 6YR, 3WR; Thick head
16 2120933 Valve exhaust 20 degree, 7.62Q1 length
32 4N5906 Valve spring 2.525 free, 1.25Q 0Df 0.866 ID, 0.192 wire; single spring engines, use with 6N7175 rotator
16 2137536 Valve guide intake
16 2137537 Valve guide Exhaust
64 2A4429 Valve lock 0.372 stem dia, 2G, 7 degree
32 6N7154 Rotocoil No shield
16 1227352 Valve insert Intake, 20 degree; use with 1227353
16 1986529 Valve insert 20 degree
Exhaust
16 3B0623 Plug
12 3B0645 Plug cup
Caterpillar G3408/18.0L 8 Cylinder
Gas (Continued) Bore 5.400
1099 CID, Natural Gas Stroke 6.000
8 7W3860 Spark plug adapter
8 2N7174 Gasket spark plug adp Metal gasket
8 2S2251 Seal spark plug adp
CRANKSHAFT
1 1W5009 Crankshaft
COOLING SYSTEM
2 4W4794 Thermostat Used with 7W8066 water lines group only, 18Q degree [new# 2477133]
2 7C3095 Thermostat 190 degrees [new# 2477133]
2 3S9643 Thermostat seal
1 6V2543 Set water pump
With Correct Serial & Arrangement #
1 1049636 Set water pump
With Correct Serial & Arrangement #
1 2177884 Set water pump
With Correct Serial & Arrangement #
1 1293068 Water pump kit Ball bearing style pump (Does not contain seals or impeller; replaces 9N6289)
With Correct Serial & Arrangement #
1 1293069 Kit water pump rebuild
With Correct Serial & Arrangement #
1 7C1067 Impeller
1 1010700 Seal group water pump
1 4W3864 Seal group water pump Basic
1 8C3100 Seal water pump Water pump oil
1 7W1821 Shaft water pump
1 7C1652 Adapter inlet
1 2L5271 Bearing water pump Water pump drive gear
1 1B3867 Bearing water pump Water pump drive gear
1 1087930 Bearing water pump Water pump drive gear, roller type
BLOCK
9Y3368 Insert counterbore .0324 thick
2W3815 Insert counterbore .0625 thick
5N0093 Insert counterbore .1067 thick
Caterpillar 3412/27.0L 12 Cylinder
Diesel Bore 5.400
1649 CID Stroke 6.000
CYLINDER KIT
12 PLG6N4126 Cylinder kit 2.QQQ pinr PC engines, straight and wide taper rodf 460 hp [6N4126 piston, 8N0822 rings, 7N9807 pinr 7E5655 retainers, 2W6000 liner]
12 PLG7N3633 Cylinder kit 2.QQQ pinr PC, Narrow taper rodr 14.5:1 CR, 400 hp [7N3G33 piston, 8NQ822 rings, 7N98Q7 pin, 7E56G! retainers, 2W6000 liner]
12 PLG6N4080 Cylinder kit 2.QQQ pinr U\, straight rad [6N4080 piston, 8NQ822 rings, 7N98Q6 pinf 7E5655 retainers, 2W600Q liner]
12 PLG6N4785 Cylinder kit 2.000 pinr Dl, Straight rod [6N4785 piston, 8N0822 rings, 7N9806 pinr 7E5665 retainers, 2W6000 liner]
12 PLG7N3509 Cylinder kit 2.000 pinr Dlr Narrow taper rod, 15.2:1 CRr Under 350 hp [7N3509 pistan, 8N0822 rings, 7N9806 pinf 7E5665 retainers, 2W6000 liner]
12 PLG7N3511 Cylinder kit 2.000 pinr DL Narrow taper rod [7N3511 piston, 8N0822 rings, 7N980G pinf 7E5665 retainers, 2WG000 liner]
12 PLG9Y4004 Cylinder kit 2.QQQ pinr U\, wide taper rodf 14.5:1 CR [9Y4004 pistonr 1W8922 rinsr 8N1608 pin, 7E5665 retainers, 2W6000 liner]
12 PLG9Y9889 Cylinder kit 2.000 pin, Dl, wide taper rod, 15.2:1 CR, 350 ■ 425 hp [9Y9889 pist加，1W8922 rings, 8N1 的8 pin, 7E5665 retainers, 2W6000 liner]
12 PLG9Y7212 Cylinder kit 2.QQQ pinr U\, wide taper rodf 15.6:1 CRrupta310hp [9Y7212 piston, 1W8922ringsr 8N1608 pin, 7E5665 retainers, 2W6000 liner]
12 LK1723280-F Cylinder kit 15.5:1 CRr gallery cooled
12 6N4126 Piston body 2.00 pin, PC
12 7N3633 Piston body 2.00 pin, PC, 14.5:1
12 6N4080-F Piston 5.4QQQ diar 2.QQQ pinf Dl, straight radr dual nir 1/8k ring; use with ring set 8N0822
12 6N4785-B Piston body 2.00 pin, Dl
12 7N3509 Piston body 2.00 pinr DIJ 5.2:1
12 7N3511-F Piston body 5.4000 diar Dlr 2.000 pin, narrow taper rod, dual nir 1/8k ring; use with 8NQ822 ring set
12 9Y4004 Piston body 2.QQ pinr DIJ4.5:1 [repl 1W9372]
12 9Y9889 Piston body 2.QQ pinr DU 5.2:1 [repl7C3406]
12 9Y7212 Piston body 2.00 pinr DL15.6:1 [repl 2W0865]
12 1723280-F Piston body 5.4QQQ diar 15.5:1 CR; gallery coaledr high output engines, oil coaled, aluminum
12 1300241 Piston skirt Used with crowns: 1352837, 1495566, 7C2888
12 8N0822 Ring set 1/8 keystone top ring [8NQ5Q2 topr 2P2817 midr 7N7078 oil] 1 cyl set
12 涵922 Ring set 5/32 keystone top ring [1W9460 top, 2P2817 midf 7N7078 oil] 1 cyl set
12 7N9807 Piston pin 2.QQQ diar 3.966 length; Use with PC piston： 6N4126f 7N3633
12 7N9806 Piston pin 2.000 diar 4.525 length {straight and narrow taper rod)
12 8N1608 Piston pin 2.QQQ diar 4.405 length; Use with Dl piston (wide taper rad)
12 1687246 Piston pin 2.165 dia[repl 7E1749f 1029796]
12 1687246 Piston pin 2.165 dia[repl 7E1749f 1029796]
24 7E5665 Retainer piston pin Use with 2.QQQ pin diameter [repl 8N7295]
24 7E1177 Retainer piston pin Use with 2.165 pin diameter
12 2W6000 Cylinder liner kit 5.4QQQ bore (uses 1183732 oring kit) [New# 1979322]
12 2W6000CSWS Cylinder liner 5.4000 bore. Lower crevice seal liner
12 1183732 Cylinder liner oring kit For one liner, contains:⑶ 1102220, (1} 9L5854
12 1183732CS Cylinder liner oring kit For one liner, for lower crevice seal liner
12 9L5854 Cylinder liner oring 11 卯er b如d s抽1,1 per liner
36 1102220 Cylinder liner oring Lower oring seal, 3 per liner
BEARINGS
7 2170390 Bearing main pair
7 4W5492-010 Bearing main pair .Q1Qf 1.645 length, 4.7492/4.7508 std journal
Caterpillar 3412/27.0L 12 Cylinder
Diesel (Continued) Bore 5.400
1649 CID Stroke 6.000
7 4W5698 Bearing main pair .025# 1.645 length, 4.7492/4.7508 std journal [repl 6N4168, 7N1192,8N5422]
7 4W5699 Bearing main pair .050# 1.645 length, 4.7492/4.7508 std journal [repl 6N4170, 7N1194,8N5423]
7 4W5700-F Bearing main pair Oversize 0D: .025 〇D, Std ID; 1.645 length
7 4W5701 Bearing main pair Oversize 0D: .025 0D, .025 ID; 1.645 length [check for availability]
2 7E9262 Thrust washer 2 per engine, 0.228 thick, no centering tab
12 9Y9497G Bearing rod pair Std, Grooved, 1.5350 length, 3.8189/3.8197 journal
12 9Y9497G-010 Bearing rod pair .010, Grooved, 1.535D length, 3.8189/3.8197 std journal
12 4W5702G Bearing rod pair .Q25# Grooved, 1.5350 length, 3.8189/3.8197 std journal
12 9Y9497 Bearing rod pair Std, 1.5350 length, 3.8189/3.8197 journal [repl 2170586, 1W7524,6N3908, 6N7436, 8N5426]
12 9Y9497 10-F Bearing rod pair .010# 1.5350 length, 3.8189/3.8197 std journal
12 4W5702-F Bearing rod pair ■025,1.5350 length, 3.8189/3.8197 std journal [repl 6N4166,8N5427]
12 4W5703G Bearing rod pair .Q5Q# 1.5350 length, 3.8189/3.8197 std journal, grooved [repl 6N4167r 8N5428]
12 9Y7735G Bearing rod pair Std, Grooved, 1.9300 length, 3.5425/3.5441 journal
12 9Y7735 Bearing rod pair Std, 1.9300 length, 3.5425/3.5441 journal
12 7E0558 Bearing rod pair .Q25# 1.9300 length, 3.5425/3.5441 std journal
12 7E0559 Bearing rod pair .Q5Q# 1.9300 length, 3.5425/3.5441 std journal
2 4N6658-F Bearing cam Front, position 1
5 4N0685-F Bearing cam Position 2-7
1345251 Bearing cam New part# 216-5582 [replaces 4P5Q53]
12 8N0705 Bushing con rod 2.00 pin, straight
12 8N0706 Bushing con rod 2.QQ pin, taper 6 degree
12 8N2018 Bushing con rod Wide taper rad, 1.9845 ID# 2.1825 0Df 1.875 OAL (can use 4P8495)
12 4P8495 Bushing con rod 2.00 pin, taper 9 degree, with relief
12 6I2726 Bushing con rod Wide taper rod, 2.160 ID
GASKET & SEALS
CATGASKET NOTE For gasket sets: Call with Serial and Arrangement Numbers
CAMSHAFT
CAMSHAFT CAMSHAFT Remanufactured available, call with casting number
24 1017788 Cam follower roller type, replaces 9Y4011
24 4W3817 Pin and roller used to service 1017788 lifter
VALVE TRAIN
CYLHEAD NOTE Far complete and bare cylinder heads – Refer to Cylinder Head Catalog or Call with casting
24 1152367-F Valve exhaust 1.646 head dia, 7.132 length, 2G [repl: 1061111,1W3860]
24 1220321 Valve exhaust 1.646 head dia, 7.250 length, 2G
C series engines
24 1537024 Valve exhaust 1.646 head dia, 7.953 length, 2G
E series engines
24 1152368-F Valve intake 1.771 head dia, 7.140 0ALf 2G [repl: 1085902, 2W2622]
24 1220322 Valve intake 1.771 head dia, 7.250 OAL, 2G
C series engines
24 1537023 Valve intake 1.85Q head dia, 7.951 0AL.2G
E series engines
96 4P4661-F Valve lock Single groove: use 2M429 lock, 1862001 rot, 1757523/1757526 springs, 1537023/1537024 valves
96 2A4429 Valve lock 0.372 stem dia, 2G, 7 degree
Caterpillar 3412/27.0L 12 Cylinder
Diesel (Continued) Bore 5.400
1649 CID Stroke 6.000
48 4N2803 Valve guide 0.3750 ID, 0.6890 0D, 3.250 length, plain; Std dia, intake and exhaust [new# 1737188]
48 1737188/002 Valve guide .002 oversize
48 7C0363-F Valve guide .DD5 oversize
48 7C5306-F Valve guide .020 oversize
48 1227374 Valve guide 0.374Q ID, 0.6890 0D, 3.050 length
C series engines
48 1227375 Valve guide 0.3745 ID, 0.6298 OD, 3.358 length
E series engines
48 4N5906 Valve spring 2.525 free, 1.25Q 0D, 0.866 ID, 0.192 wire; single spring engines, use with 6N7175 rotator
48 4W2471 Valve spring 2.341 free, 1.469 0Df 1.069 ID, 0.200 wife; outer, dual valve spring
B & C series engines
48 4W2472 Valve spring 2.678 free, 0.989 0D, 0.739 ID, 0.125 wire; inner, dual valve spring
B & C series engines
48 1027665 Valve spring single spring: use 2A4429 lock, 1862001 rot, 1757523/1757526 springs, 1537023/1537024 valves
48 1757526 Valve spring 3.285 free, 1.429 0Df 1.075 ID, 0.177 wire; outer, dual valve spring
E series engines
48 2113122 Valve spring 2.885 free, 0.992 0Df 0.740 ID, 0.127 wire; inner, dual valve spring [replaces 1757523]
E series engines
48 6N7175 Rotator with shield, single spring engines
48 6N7174 Rotator shield use with 6N7175 and 1W53QQ, do not use with 4W2474
48 4W2474 Rotator use with dual valve springs
B & C series engines
48 1862001 Rotator use with dual spring engines
E series engines
24 4N5893 Valve insert Intake, I PD standard size 1.817″
24 391921 Valve insert Intake, .005 over
24 391922 Valve insert intake, .010 over
24 391923 Valve insert intake, .020 over
24 SB1812E-7 Valve insert Intake, late style with swirl plate
B series engines
24 SB1 的 1E.1 Valve insert intake [1564168,1753617
E series engines
24 1W5283 Valve insert Exhaust, IPD standard size 1.692″
24 4S8902-F Valve insert Exhaust, .QQ5 oversize
24 4S8903 Valve insert Exhaust, .01Q over IPD standard
12 1080219-B Injector sleeve For HEUI injectors
3412E sn: 80M, 9KS, 9PW
12 10802190RK-B Seal kit For 1Q8Q219 sleeve
CRANKSHAFT
1 1678130-B Vibration damper
FUEL I INJECTOR
12 1895390-B Injector seal kit HEUI: External, for 1 injector, contains:9X7419 oring upper, 9X7418 oring center, 9X7317 oring lower
For HEUi Injectors
12 7N9843 Capsule nozzle PC Engines (repl 4N1251)
12 9L6884 Injector nozzle Dlf Small capsule style nozzle
Tm^OIAIR
TURBO TURBOCHARGER New or remanufactured available, call for pricing
BLOCK
2 614611-B Spacer plate Steel
614361 Insert counterbore .0304 thick
9Y3368 Insert counterbore .0324 thick
6I4362 Insert counterbore .0343 thick
Caterpillar 3412/27.0L 12 Cylinder
Diesel (Continued) Bore 5.400
1649 CID Stroke 6.000
2W3815 Insert counterbore .0625 thick
614364 Insert counterbore .0652 thick
614365 Insert counterbore .1047 thick
5N0093 Insert counterbore .1067 thick
614366 Insert counterbore .1087 thick
1010523 Insert counterbore .2051 thick
1010524 Insert counterbore .2031 thick
1010525 Insert counterbore .2071 thick
4W6061 Repair sleeve Lower liner oring receiver bore area
4W4588 Repair sleeve Lifter bore
Caterpillar G3412/27.0L 12 Cylinder
Gas Bore 5.400
1649 CID, Natural Gas Stroke 6.000
CYLINDER KIT
12 PLG7E3888 Cylinder kit 10.0:1 CR
12 PLG4P8996 Cylinder kit Gallery Cooled 9.7:1 CR
12 PLG1607994 Cylinder kit 8.5:1 CR
12 PLG7E3888/CS Cylinder kit 10.0:1 C.R., with Crevice Style Liner
12 PLG4P8996/CS Cylinder kit Gallery Cooled 9.7:1 CRf With Crevice Style Liner
12 PLG1607994/CS Cylinder kit 8.5:1 CRr With Crevice Style Liner
12 7E3888 Piston body 10.0:1 Compression Ratio
12 4P8996 Piston body Gallery Cooled 9.7 :1 C.R.
12 1607994 Piston body 8.5:1 C.R.
12 8N1608 Piston pin 2.QQQ diar 4.405 length; Use with Dl piston (wide taper rod)
24 7E5665 Retainer piston pin Use with 2.QQQ pin diameter [repl 8N7295]
12 7E38888SI Ring set For use only with 7E3888 piston
12 G3400RS Ring set For 4P8996 Gallery Cooled Piston Only
12 2W6000 Cylinder liner kit 5.4000 bore {uses 1183732 oring kit) [New# 1979322]
12 2W6000CSWS Cylinder liner 5.4QQQ bore. Lower crevice seal liner
12 1183732 Cylinder liner oring kit For one liner, contains:⑶ 1102220,⑴ 9L5854
12 1183732CS Cylinder liner oring kit For one liner, for lower crevice seal liner
BEARINGS
7 2170390 Bearing main pair
4W5492-010 Bearing main pair .Q1Qf 1.645 length, 4.7492/4.7508 std journal
4W5698 Bearing main pair .025,1.645 length, 4.7492/4.7508 std journal [r 印16N4168,7N1192,8N5422]
4W5699 Bearing main pair .050f 1.645 length, 4.7492/4.7508 std journal [repl 6N417Qr 7N1194r 8N5423]
12 9Y9497G Bearing rod pair Stdr Grooved, 1.5350 length, 3.8189/3.8197 journal
9Y9497G-010 Bearing rod pair ■010″
4W5702G Bearing rod pair .Q25f Grooved, 1.535Q length, 3.8189/3.8197 std journal
4W5703 Bearing rod pair .050″
12 9Y7735G Bearing rod pair Stdr Grooved, 1.9300 length, 3.5425/3.5441 journal
7E0558 Bearing rod pair .Q25f 1.9300 length, 3.5425/3.5441 std journal
7E0559 Bearing rod pair .050,1.9300 length, 3.5425/3.5441 std journal
2 7E9262 Thrust washer 2 per gngi 油,0.228 thick，加邙ntering tdb
5 4N0685 Bearing cam Position 2-7
2 4N6658 Bearing cam Front, position 1
12 8N0705 Bushing con rod 2.00 pin, straight
12 8N0706 Bushing con rod 2.QQ pinr taper 6 degree
12 8N2018 Bushing con rod Wide taper radr 1.9845 IDf 2.1825 0Dr 1.875 0AL (can use 4P8495)
12 4P8495 Bushing con rod 2.00 pinr taper 9 degree, with relief
GASKET & SEALS
1 412091 Set overhaul 7DB1-Upr Non Turbo
1 412111 Set overhaul 7DB1 -Upr Turbo Afteroooled
1 412093 Set cylinder head 7DB1 -Up, Non Turbo, multiple
1 412113 Set cylinder head 7DB1 -Upr Turbo Aftercooled, multiple
Caterpillar G3412/27.0L 12 Cylinder
Gas (Continued) Bore 5.400
1649 CID, Natural Gas Stroke 6.000
412114 Set cylinder head 7DB1-Up, single
1 5P5678-13 Gasket valve cover
Both valve covers
1 5P5678-07 Gasket valve cover
One valve cover
1 1425868 Seal crankshaft rear [rep( 2W1734]
1 1425867 Seal crankshaft front [repl 2W1733]
1 4N1151 Gasket oil pan
1 4N1151-12 Gasket oil pan 1-piece
24 3E6772 Seal water Through spacer plate I4W1055)
CAMSHAFT
1 2W5289 Camshaft
With Correct Serial Number
1 4P6896 Camshaft
With Correct Serial Number
1 4P7694 Camshaft
With Correct Serial Number
24 1055139 Lifter
1055139RK Lifter repair kit Roller and pin set
VALVE TRAIN
CYLHEAD NOTE Far complete and bare cylinder heads – Refer to Cylinder Head Catalog or Call with casting
G3400HEAD1
esn 7DB, 3NK, 62M, 8LW
24 4W5374 Valve intake
With correct serial number
24 1227353 Valve intake Intake, 20 degree
24 2W2443 Valve exhaust 30 degree, 7.14″ length
24 1018314 Valve exhaust 20 Degree, 7.14 length
48 4N5906 Valve spring 2.525 free, 1.250 0Df 0.866 ID, 0.192 wire; single spring engines, use with 6M7175 rotator
24 1511330 Valve guide intake
With correct serial number
24 1511329 Valve guide Exhaust
With correct serial number
96 2A4429 Valve lock 0.372 stem dia, 2G, 7 degree
48 6N7175 Rotator with shield, single spring engines
48 6N7154 Rotocoil No shield
48 7N7174 Shield
24 4N5893 Valve insert intake, IPD standard size 1.817′
24 1227352 Valve insert Intake, 20 degree; use with 1227353
24 4W4325 Valve insert Exhaust, 30 degree
24 1986529 Valve insert 20 degree
Exhaust
12 7W3860 Spark plug adapter
With correct serial number
12 2127519 Spark plug adapter
With correct serial number
Caterpillar G3412/27.0L
Gas (Continued) 1649 CID, Natural Gas
12 Cylinder Bore 5.400 Stroke 6.000 G3400HEAD2
esn 7DB# 3NK, 6ZMf 8LW (Thick head)
24 2120932 Valve intake 20 degree, 7.6201 length
24 2120933 Valve exhaust 20 degree, 7.62Q1 length
48 4N5906 Valve spring 2.525 free, 1.25Q 0Df 0.866 ID, 0.192 wire; single spring engines, use with 6N7175 rotator
24 2137536 Valve guide Intake
24 2137537 Valve guide Exhaust
96 2A4429 Valve lock 0.372 stem dia, 2G, 7 degree
48 6N7154 Rotocoil No shield
24 1227352 Valve insert Intake, 20 degree; use with 1227353
24 1986529 Valve insert 20 degree
Exhaust
12 2137539 Spark plug adapter
24 3B0623 Plug
20 3B0645 Plug cup
12 2N7174 Gasket spark plug adp Metal gasket
12 2S2251 Seal spark plug adp
CRANKSHAFT
1 1W6213 Crankshaft
With Correct Serial Number
1 1512941 Crankshaft
With Correct Serial Number
1 2W4088 Crankshaft
With Correct Serial Number
COOLING SYSTEM
3400WPUMP
For gaskets and parts: Check correct Serial and Arrangement numbers
2 4W4794 Thermostat Used with 7W8066 water lines group only, 180 degree [new# 2477133]
2 7C3095 Thermostat 190 degrees [new# 2477133]
2 3S9643 Thermostat seal
1 6V2543 Set water pump
1 1036192 Set water pump
1 1052010 Set water pump
1 2177884 Set water pump
1 1293068 Water pump kit Ball bearing style pump (Does not contain seals or impeller; replaces 9N6289)
1 1293069 Kit water pump rebuild
1 1386744 Kit water pump rebuild
1 7C1068 Impeller
1 4N5836 Impeller
1 1067150 Seal group water pump
1 4W3864 Seal group water pump Basic
1 1313815 Seal group water pump
1 1280317 Seal group water pump
1 1354928 Shaft water pump
1 1333572 Shaft water pump
1 1236666 Shaft water pump
1 6N0139 Shaft water pump
1 8C3100 Seal water pump Water pump nil
Caterpillar G3412/27.0L 12 Cylinder
Gas (Continued) Bore 5.400
1649 CID, Natural Gas Stroke 6.000
1 1012749 Backing plate
1 4N5835 Adapter inlet
1 7C1652 Adapter inlet
1 1087390 Bearing water pump Roller type
1 1B3867 Bearing water pump Water pump drive gear
1 2L5271 Bearing water pump Water pump drive gear
BLOCK
9Y3368 Insert counterbore .0324 thick
2W3815 Insert counterbore .0625 thick
5N0093 Insert counterbore .1067 thick
Caterpillar 3508/34.5L 8 Cylinder
Diesel Bore 6.700
2105 CID Stroke 7.000
CYLINDER KIT
8 PLG7C2431/8206 Cylinder kit 6.7QQQ bore, small flange liner, Dl [7C2431 piston, RS3500D rings, 1388506 pin, 8N7296 retainer, 13238206 liner, 6V3774seal kit]
8 PLG7C2431 Cylinder kit 6.7QQQ bore, large flange liner, Dl [7C2431 piston, RS35Q0D rings, 1388506 pinf 8N7296 retainer, 1106993/2117826 linerr 6V3774 seal kit]
8 PLG9Y4124HD/82 Cylinder kit 6.7QQQ bore, small flange liner, Dl [9Y4124HD piston, RS350QD rings, 1388506 pin, 8N7296 retainer, 1238206 liner, 6V3774 seal kit]
8 PLG9Y4124HD Cylinder kit 6.7000 bore, large flange liner, Dl [9Y4124HD piston, RS3500D rings, 1388506 pin, 8N7296 retainer, 1106993/2117826 linerr 6V3774 seal kit]
8 PLG9Y2100HD Cylinder kit 6.7000 bore [9Y2100 piston, RS3500D rings, 1388506 pin, 8N7296 retainers]
8 7C2431 Piston body 6.7QQQ diar Dlr 13.0:1 CRf 1 piece cast aluminum piston [repl 4W7402]
8 9Y4124HD Piston body 6.7000 diar Dlr 13.0:1 CR [repl 7W0552]
8 9Y2100HD Piston body 6.7QQQ diar Dl; 13.5:1 CR
8 1388506 Piston pin [repl 4W8484]
16 8N7296 Retainer piston pin
8 RS3500D Ring set 6.7QQQ bore
8 1106993 Cylinder liner 6.7000 bore, small flange: 8.332 dia x Q.498 height [repl 1189494]
8 1238206 Cylinder liner 6.7QQQ bore, large flange: 8.150 dia x 0.498 height
8 6V3774 Cylinder liner oring kit Kit for 1 liner; Contains: (1) 8N47Q7r |3) 7N2046
8 8N4707 Cylinder liner oring Upper filler band
24 7N2046 Cylinder liner oring Lower oring seal
BEARINGS
5 1050253 Bearing main pair Stdr 6.300 jaumal, 6.6836 housing borer 2.248 length [4W5704]
5 1050254 Bearing main pair .025
5 1496033 Bearing main pair .050 [repl 1050255]
2 7C6209 Thrust washer
8 1077330 Bearing rod pair Stdr 5.3160 jaurnaL 5.6316 housing borer 2.248 length [7E7997,1W7538]
8 1077331 Bearing rod pair .025
8 1077332-B Bearing rod pair .050
10 7N2048 Bearing cam Early style
10 1011198-F Bearing cam
10 1161359 Bearing cam
8 1W9166-F Bushing con rod use with rods: 1W43Q0f 1W48QQ, 8N6Q20
8 1181655-F Bushing con rod use with rods: 144Q725f 1612500
GASKET & SEALS
CATGASKET NOTE For gasket sets: Call with Serial and Arrangement Numbers
8 2748567 Gasket cylinder head [replaces 1106991]
8 1345958 Oring valve cover [repl 4W1596]
2067030 Seal valve cover Fits ukH Series with Mill & Natural Gas applications; ribbed style seal
2082364 Seal valve cover Fits uk” Series with EUI & B Series; ribbed style seal
8 2W2073 Oring block cover Black side caver aring
2082363 Seal side cover ribbed style seal
2082362 Seal camshaft cover ribbed style seal
Caterpillar 3508/34.5L 8 Cylinder
Diesel (Continued) Bore 6.700
2105 CID Stroke 7.000
CAMSHAFT
CAMSHAFT CAMSHAFT Remanufactured available, call with casting number
24 2636679RK Lifter repair kit Includes: pin and roller [replaces 1329439RK]
VALVE TRAIN
CYLHEAD NOTE For complete and bare cylinder heads – Refer to Cylinder Head Catalog or Call with casting
32 7E4609 Valve intake/exhaust 2.205 head, 0.3717 stem, 30 deg [repl 7C6217]
Intake and Exhaust for early engines; intake only for late engines with 1219839 exhaust valve
16 2102542 Valve intake 2.2Q5 head dia, 0.3717 stem, 20 deg [repl 1212028]
16 1219839 Valve exhaust 30 degree, tapered stem
Exhaust for late engines
16 1219835 Valve exhaust 2.205 head dia, 0.3717 stem, 45 deg [new# 2102529]
16 1944897 Valve exhaust 2.205 head dia, 0.4950 stem, 45 deg
32 1339306 Valve guide 0.3735 ID, 4.060 length, step for seal [repl 1302613, 7N1819]
1665944 Valve guide 0.005 oversize [Std# 13393Q6]
1491982 Valve guide 0.020 oversize [Std# 1339306]
32 9Y1847 Valve guide 0.3745 ID, 4.060 length, counterbared, plain
64 2A4429 Valve lock 0.372 stem dia, 2G, 7 degree
32 7N1903 Valve spring Inner
32 7N1904 Valve spring Quter
32 1333814 Rotator Without shield; [Order 4P2520 for rotator with 4P2522 shield]
1189491 Valve insert Exhaust, 2.367 0D# 30 deg [can use 2102529 valve with 1302608 insert] [repl 1W1801]
Use with 7E4609 valve for intake and exhaust
7E5862 Valve insert Intake, 2.367 QD, 30 deg [can use 2102542 valve with 13Q26Q7 insert]
1302607 Valve insert Intake; 2.387 0D, 20 deg [4P6776]
1302608 Valve insert Exhaust; 2.366 ODf 45 deg
TUI^OIAIR
TURBO TURBOCHARGER New or remanufactured available, call for pricing
BLOCK
7W5949 Sleeve counter bore 0.1250
1204334 Sleeve counter bore 0.2000
1205337 Sleeve counter bore 0.3000
Caterpillar G3508 / 34.5L 8 Cylinder
Gas Bore 6.700
2105 CID, Natural Gas Stroke 7.000
3500WPUMP1
For Group: 6I3520, 7E9781, 7E9782, 2128168, 2128169, 2128166
3500WPUMP2
For Group: 1664381, 1664378, 2128172, 2128177 3500WPUMP3
For Group: 1664380,1664377,2128175,2128176
CYLINDER KIT
8 1014140 Piston body 8.0:1 Compression Ratio
8 1339375 Piston body 8.0:1 Compression Ratio
8 7E7600 Piston body 9.0:1 Compression Ratio
8 614609 Piston body 11.0:1 Compression Ratio
8 1269497 Piston body 12.0:1 Compression Ratio
8 1282385 Piston body 12.0:1 Compression Ratio
8 1388506 Piston pin [repl 4W8484]
16 8N7296 Retainer piston pin
8 7E2899 Ring set
8 1106991 Cylinder liner Thick flange, 8.3317″
8 1238206 Cylinder liner 6.7000 bore, large flange: 8.150 dia x 0.498 height
8 6V3774 Cylinder liner oring kit Kit for 1 liner; Contains: (1) 8N47Q7, (3) 7N2046
BEARINGS
5 1050253 Bearing main pair Std, 6.300 jaurnai, 6.6836 housing bore, 2.248 length [4W5704]
1050254 Bearing main pair ■025
1050255 Bearing main pair ■05CT
2 7C6209 Thrust washer
8 1077330 Bearing rod pair Std, 5.3160 journal, 5.6316 housing bore, 2.248 length [7E7997, 1W7538]
1077331 Bearing rod pair ■025
1070332 Bearing rod pair .050H
10 7N2048 Bearing cam Early style
10 1161359 Bearing cam
Late style
8 1181655 Bushing con rod
16 1W4594 Bushing rocker arm
GASKET & SEALS
1 508031 Set overhaul 2JF1-Up, Magneto With Wet Manifold
1 508041 Set overhaul 9TG1-Up#4WD1-Up Wet Manifold
1 508033 Set cylinder head 2JF1-Up, Magneto With Wet Manifold, multiple
1 508043 Set cylinder head 9TG1-Up# 4WD1-Up Wet Manifold, multiple
8 508044EM Set cylinder head Single head, E.I.S. and Magneto ignition systems
8 516114 Set cylinder head Dry ceramic manifold, single
1 2082362 Seal camshaft cover ribbed style seal
1 2082363 Seal side cover ribbed style seal
Caterpillar G3508 / 34.5L 8 Cylinder
Gas (Continued) Bore 6.700
2105 CID, Natural Gas Stroke 7.000
1 1138432 Seal crankshaft front
1 1138433 Seal crankshaft rear
1 7E2631 Gasket oil pan
1 2067030 Seal valve cover Fits ukH Series with Mill & Natural Gas applications; ribbed style seal
CAMSHAFT
2636679RK Lifter repair kit Includes: pin and roller [replaces 1329439RK]
16 8F8858 Button rocker arm
16 9F7707 Ring button retaining For 8F8858
VALVE TRAIN
CYLHEAD NOTE For complete and bare cylinder heads – Refer to Cylinder Head Catalog or Call with casting
16 2636679 Lifter Roller type, updated utilizes a new method of ustakingM the bronze bushing to the lifter body [repl
1329439,2W3256,4P1827)
32 7N1903 Valve spring Inner
32 7N1904 Valve spring Outer
16 9Y1847 Valve guide 0.3745 ID, 4.060 length, counterbored, plain
16 1845495 Valve guide Intake; Q.3705 IDr 4.Q5Q length, step for seal
16 9Y1846 Valve guide Intake; Q.3745 iDr 3.600 length, plain
16 1845494 Valve guide Exhaust; Q.37Q5 IDr 4.Q5Q length, step for seal, counterbored
32 1376856 Valve stem seal Methane
64 2A4429 Valve lock 0.372 stem dia, 2Gr 7 degree
32 1333814 Rotator Without shield; [Order 4P2520 for rotator with 4P2522 shield]
32 7W0028 Valve insert Intake and Exhaust -382″ depth
32 611713 Valve insert Intake and Exhaust, 0.460″ depth
40 3B0623 Plug
16 9S8002 Plug oring
8 3J7354 Seal oring
40 3B0645 Plug cup
32 2045426 Water seal
32 2045427 Water seal
COOLING SYSTEM
4 614950 Thermostat 180F degree
4 7C3095 Thermostat 190 degrees [new# 2477133]
4 3S9643 Thermostat seal
1 2219278 Kit water pump rebuild
1 4W3864 Seal group water pump Basic
2 5N4383 Thrust washer
4 8H3128 Bolt socket head
4 8M2933 Shim carrier
1 9X4594 Seal lip type
1 1275400 Bearing sleeve
1 2128179 Shaft Striaght joint press fit
1 2128183 Impeller Press fit
1 2225152 Kit water pump rebuild
2 0S1618 Bolt
1 3D2824 Seal oring
2 4N5834 Filter weep hole
1 7N4758 Thrust washer
Caterpillar G3508 / 34.5L 8 Cylinder
Gas (Continued) Bore 6.700
2105 CID, Natural Gas Stroke 7.000
1 8C5236 Seal lip type
2 9M1974 Washer hardened
1 1664374 Ring assembly
1 1664376 Seal group
1 2128180 Shaft Striaght joint press fit
1 2128184 Impeller Press fit
1 2225153 Kit water pump rebuild
2 0S1618 Bolt
1 3D2824 Seal oring
2 4N5834 Filter weep hole
1 7N4758 Thrust washer
1 8C5236 Seal lip type
2 9M1974 Washer hardened
1 1664374 Ring assembly
1 1664376 Seal group
1 2128180 Shaft Striaght joint press fit
1 2128187 Impeller Press fit