Replacement Parts for Caterpillar® Engines
CAT DIESEL ENGINE PARTS LIST
CAT D399, CAT 1140, CAT 1145,CAT 1150, CAT 1160, CAT 1670, CAT 1673
Caterpillar G399 / 64.4L 16 Cylinder
Gas (Continued) Bore 6.250
3928 CID, Natural Gas Stroke 8.000
8 1F9223 Gasket side door
8 1F4419 Gasket water cover
1 4W2606 Seal crankshaft Directional CW
1 4W2568 Seal group Front, standard rotation
1 4W2570 Seal group Front, opposite rotation
1 4W2607 Seal crankshaft Directional CCW
1 4W2569 Seal group Rear, standard rotation
1 4W2571 Seal group Rear, opposite rotation
CAMSHAFT
32 1021561 Lifter (repl 5L5486)
32 3F7445 Bushing rocker arm
32 8F8858 Button rocker arm
Head using 3/8″ stem valves
32 9F7707 Ring button retaining For 8F8858
Head using 3/8″ stem valves
32 1A0744 Screw rocker arm adj
Head using 3/8″ stem valves
32 1B4204 Nut Rocker arm adjusting
Head using 3/8″ stem valves
VALVE TRAIN
CYLHEAD NOTE For complete and bare cylinder heads – Refer to Cylinder Head Catalog or Call with casting
D353HEAD2 NOTE: Two groove valve stem with 0.3717 dia and 2 locks each
Head using 3/8″ stem valves
16 1W8606 Valve intake 2.505 head, 0.3717 stem, 2 groove
16 2W3211 Valve exhaust 2.350 head, 0.3717 stem, 2 groove
16 7C5914 Valve exhaust 20 degree, lean burn
32 7S6323 Valve spring Single spring
Use With 7N7639 Rotocoil
32 9M5349 Valve spring Inner, 1.125 0Df 2.201 free
Use With 7N7G39 Rotocoil
32 4F5409 Valve spring Double, inner
Use With 7F7666 Rotocoil
32 9M5350 Valve spring Outer, 1.654 0Df 2.574 free
Use With 7N7639 Rotacoil
32 4F5408 Valve spring
Use With 7F7666 Rotocoil
16 2N9298 Valve guide Intake; for 0.3717 stem, 5.065 length
16 2N9299 Valve guide Exhaust; for 0.3717 stem, 5.450 length
32 3N1414 Spacer Use with non-flanged guide
64 2A4429 Valve lock 0.372 stem dia, 2G, 7 degree
32 7N7639 Rotator [repl 8M7637,4S7468]
Use With Correct Springs
32 7F7666 Rotocoil
Use With Correct Springs
16 8N7780 Shield
16 1W3062 Retainer Intake; includes 8N7780 shield
16 2N9297 Retainer Exhaust
16 5S1757 Valve seat Intake
16 1S5738 Valve insert Exhaust
Caterpillar G399 / 64.4L
Gas (Continued) 3928 CID, Natural Gas
16 Cylinder Bore 6.250 Stroke 8.000 D353HEAD1 NOTE: Tapered groove valve stem with 0.4955 dia and 3 locks each
Head using 1/2″ stem valves
16 7M7817 Valve intake 2.505 head, 0.4955 stem, tapered groove [4H9805, 6H3186,1M7452]
16 5S5323 Valve exhaust
32 7S6323 Valve spring Single spring
Use With 7N7639 Rotacoil
32 9M5349 Valve spring Inner, 1.125 0Df 2.201 free
Use With 7N7639 Rotacoil
32 4F5409 Valve spring Double, inner
Use With 7F7666 Rotocoil
32 9M5350 Valve spring Outer, 1.654 0Df 2.574 free
Use With 7N7G39 Rotacoil
32 4F5408 Valve spring
Use With 7F7666 Rotocoil
16 4N3664 Valve guide Intake; non flanged, use with 3N1414 spacer; for Q.4955 stem dia, 5.045 length
16 6N8847 Valve guide Exhaust; non flanged, use with 3N1414 spacer; for 0.4955 stem dia, 5.438 length
32 3N1414 Spacer Use with non-flanged guide
96 3B1143 Valve lock No bead, for tapered valve stem, for 0.4995 stem
32 7N7639 Rotator [repl 8M7637,4S7468]
Use With Correct Springs
32 7F7666 Rotocoil
Use With Correct Springs
16 8N7780 Shield
16 1W3062 Retainer Intake; includes 8N 7 7的 shield
16 2N9297 Retainer Exhaust
16 5S1757 Valve seat intake
16 1S5738 Valve insert Exhaust
128 3B0645 Plug cup
16 7L0918 Spark plug adapter
16 6L1576 Gasket spark plug adp Metal gasket
16 6L7816 Seal spark plug adp
64 5H7071 Water director
CRANKSHAFT
1 4W2566 Adapter crankshaft seal Front, standard rotation
1 4W2567 Adapter crankshaft seal Rear, standard rotation
2 3N9160 Seal ring crankshaft Piston ring type
2 5L2093 Adapter gasket
2 8L3972 Baffle
OIL 1 LUBE SYSTEM
1 6N9236 Oil cooler Core
COOLING SYSTEM
4 6I4954 Thermostat 170F degree
4 4W4794 Thermostat Used with 7W8066 water lines group only, 180 degree [new# 2477133]
4 7C3095 Thermostat 190 degrees [new# 2477133]
4 2N0741 Gasket thermostat housi
4 3S9643 Thermostat seal
1 8S1892 Set water pump
Check Serial Number
1 6V6384 Set water pump
49C 261-567
Caterpillar G399 / 64.4L 16 Cylinder
Gas (Continued) Bore 6.250
3928 CID, Natural Gas Stroke 8.000
1 6V6385 Set water pump J
49C 568- Up
1 6V5427 Set water pump
For 2N0955 Water Pump Group
1 1W7080 Kit water pump rebuild Contains water pump shaft 5N4378
1 4N7526 Seal assembly
1 6N9313 Seal assembly
1 5N4378 Shaft water pump Long shaft
1 5N1883 Shaft water pump Short shaft
1 1H8278 Seal oring
1 2S3966 Ring Use with 4N7526
8 5L5840 Washer sealing
1 3S3535 Seal rubber Use with 2S3966
4L6706 Gasket shim Use 1 to 10
1 5B3265 Gasket drain plug
1 4L3437 Gasket water pump mtg
1 4L3756 Bearing water pump
1 5L2660 Bearing water pump Fresh water pump; 1 in water pump, 1 in carrier
1 7F7510 Lock
8 8J6775 Seal
1 4L9965 Gasket retainer
1 2N2560 Seal shaft oil
1 6N4744 Adapter Use with6N9313
1 6N5476 Seal ring Metal, Use with 6M9313
1 6N5475 Seal ring Rubber, Use with 6N9313
1 3H2018 Nut
1 3F2771 Cotter pin
16 5L9371 Water tube Cast iron
16 6L7817 Seal ring water tube
1 3N4365 Aftercooler element Fresh water
1 3N4366 Aftercooler element Fresh water
TU^OIAIR
8 5M2894 Washer manifold exhaus hardened, for 3/81‘ studs (22132″ x 13/32″ x .109″ thick)
BLOCK
8N6938 Insert block Stainless steel .0625″
1W6265 Sleeve block Z stepped
1W6266 Sleeve block Z stepped
1W6267 Sleeve block Z stepped
5P0936 Sleeve block L type, Cast Iron
Caterpillar 1670/5.7L
Diesel 350 CID
4 Cylinder Bore 4.500 Stroke 5.500 CYLINDER KIT
4 PLG9L2308 Cylinder kit 4.5QQ bore, 1.70Q pin dia [9L23Q8 piston, 3S4029 rings, 7N98Q5 pin, 1S9543 retainers, 8S224Q liner]
4 9L2308 Piston body 4.5QQQ bore, 1.7QQ pin (rectangular comp rings)
4 3S4029-F Ring set 4.5000 bore;⑴ 1/8, (1) 3/32, (1) 7/32 [1 cyl set]
4 7N9805 Piston pin 1.700 dia, 3.730 length
8 1S9543 Retainer piston pin use with 1.700 dia pin
4 8S2240-B Cylinder liner 4.5000 bore
8 3S3977 Cylinder liner oring 4.5000 bore; Lower seal
BEARINGS
4 2323233 Bearing main pair Std
4 8N8225 Bearing main pair ■010
4 8N8226 Bearing main pair ■020
4 8N8227 Bearing main pair ■030
4 2531APA40-FM Bearing main pair ■040
4 2531APA50-FM Bearing main pair ■050
1 7S9439-F Bearing thrust pair Std, flanged
1 7S9844 Bearing thrust pair .010 flanged
1 7S9845-F Bearing thrust pair .020 flanged
1 7S9846-F Bearing thrust pair .030 flanged
4 4W5739 Bearing rod pair Std, 3.Q000 journal, 3.25QQ housing bore, 1.504 length (replaces 8N8220)
4 8N8221 Bearing rod pair ■010
4 8N8222 Bearing rod pair ■020
4 8N8223 Bearing rod pair ■030
2 7M4046 Bearing cam 1.008 0AL
1 9M5477 Bearing cam 1.135 0AL
4 9H3984 Bushing con rod 1.500 pin, 1.450 0AL, straight
GASKET & SEALS
CATGASKET NOTE For gasket sets: Call with Serial and Arrangement Numbers
CAMSHAFT
CAMSHAFT CAMSHAFT Remanufactured available, call with casting number
VALVE TRAIN
CYLHEAD NOTE For complete and bare cvlinder heads – Refer to Cylinder Head Catalog or Call with casting
4 7M7358 Valve intake 1.895 head, 6.563 length, 0.3717 stem, 3D deg, 2G
4 9M4163 Valve exhaust 1.77Q head, 6.563 length, 0.372 stem, 3Q deg, 2G; stellite [repl 7M7359]
16 2A4429 Valve lock 0.372 stem dia, 2G, 7 degree
8 4N3668 Valve guide 0.375Q ID, Q.6585 QD, 3.180 length. New style, flangeless
8 140-1906N Valve guide 0.3771 ID, 0.6577 OD, 3.220 length, flanged, old style [5S4507]
8 9H9164 Valve spring 1.282 0Df.188 wire dia, 2.678 free
8 3S0461-F Rotator
4 1W5321-F Valve insert
Intake
4 9M6495-F Valve insert Exhaust
FUEL I INJECTOR
4 8M1584-F Nozzle service group Contains: capsule nozzle, orings, seal ring
丁 8N8796 Nozzle service group Contains: capsule nozzle, orings, seal ring
TUI^OIAIR
[ TURBO TURBOCHARGER New or remanufactured available, call for pricing
Caterpillar 1673/8.6L
Diesel 525 CID
6 Cylinder Bore 4.500 Stroke 6.000 CYLINDER KIT
6 PLG2M5558 Cylinder kit 4.5QQ bore, 1.50Q pin, PC [2M5558 piston, 3S4029 rings, 7N98Q4 pin, 9H4Q15 retainers, 8S2240 liner]
6 2M5558-F Piston body 4.5QQQ bore, 1.5QQ pin, PC, rectangular ring, straight rod, single ni groove
6 3S4029-F Ring set 4.5000 bore;⑴ 1/8, (1) 3/32, (1) 7/32 [1 cyl set]
6 7N9804 Piston pin 1.500 dia, 3.735 length
12 9H4015 Retainer piston pin use with 1.500 dia pin
6 8S2240-B Cylinder liner 4.5000 bore
12 3S3977 Cylinder liner oring 4.5000 bore; Lower seal
BEARINGS
6 2323233 Bearing main pair Std
6 8N8225 Bearing main pair ■010
6 8N8226 Bearing main pair ■020
6 8N8227 Bearing main pair ■030
6 2531APA40-FM Bearing main pair ■040
6 2531APA50-FM Bearing main pair ■050
1 7S9439-F Bearing thrust pair Std, flanged
1 7S9844 Bearing thrust pair .010 flanged
1 7S9845-F Bearing thrust pair .020 flanged
1 7S9846-F Bearing thrust pair .030 flanged
6 4W5739 Bearing rod pair Std, 3.Q000 journal, 3.25QQ housing bore, 1.504 length (replaces 8N8220)
6 8N8221 Bearing rod pair ■010
6 8N8222 Bearing rod pair ■020
6 8N8223 Bearing rod pair ■030
4 7M4046 Bearing cam 1.008 0AL
1 9M5477 Bearing cam 1.135 0AL
6 9H3984 Bushing con rod 1.500 pin, 1.450 0AL, straight
6 9M4010 Bushing con rod [Discontinued]
6 8N0702 Bushing con rod 1.500 pin, 1.388 0AL, straight
GASKET & SEALS
CATGASKET NOTE Far gasket sets: Call with Serial and Arrangement Numbers
CAMSHAFT
CAMSHAFT CAMSHAFT Remanufactured available, call with casting number
12 7M4166 Lifter [OEM] Call for price and availability of remanufactured
VALVE TRAIN
CYLHEAD NOTE For complete and bare cylinder heads – Refer to Cylinder Head Catalog or Call with casting
6 7M7358 Valve intake 1.895 head, 6.563 length, 0.3717 stem, 30 deg, 2G
6 9M4163 Valve exhaust 1.77Q head, 6.563 length, 0.372 stem, 3Q deg, 2G; stellite [repl 7M7359]
24 2A4429 Valve lock 0.372 stem dia, 2G, 7 degree
12 4N3668 Valve guide 0.3750 ID, 0.6585 OD, 3.180 length. New style, flangeless
12 140-1906N Valve guide 0.3771 ID, 0.6577 QD# 3.220 length, flanged, old style [5S4507]
12 9H9164 Valve spring 1.282 OD, .188 wife dia, 2.678 free
12 3S0461-F Rotator
6 1W5321-F Valve insert
Intake
6 9M6495-F Valve insert Exhaust
FUEL I INJECTOR I
6 8M1584-F Nozzle service group Contains: capsule nozzle, orings, seal ring
6 8N8796 Nozzle service group Contains: capsule nozzle, orings, seal ring
Caterpillar 1673C/10.5L 6 Cylinder
Diesel Bore 4.750
638 CID Stroke 6.000
CYLINDER KIT
6 PLG9N5250 Cylinder kit 4.75Q bore, 1.700 pin, PCfstraight rod, 17.5:1 CB, with plug [9N5250 piston, 9S3068 rings, 7M9805 pin, 1S9543 retainers, 11Q5800 liner]
6 9N5250 Piston 4.7500 bore, PC, dual-nif with heat plug, 17.5:1 OR (rect comp rings)
6 9S3068 Ring set 4.75QQ bore; 2 rectangular compression, .218 oil (9S3Q29,5S6750,9S7788]
6 7N9805 Piston pin 1.700 dia, 3.730 length
12 1S9543 Retainer piston pin use with 1.700 dia pin
6 1105800 Cylinder liner 4.75QQ bore, uses 5P8768 liner oring kit (Liner only) [repl 2P8889]
6 5P8768 Cylinder liner oring kit (3)5S667(U1)2W6134
18 5S6670 Cylinder liner oring Lower seal
6 2W6134 Cylinder liner oring Upper filler band
BEARINGS
7 2323233 Bearing main pair Std
7 8N8225 Bearing main pair ■010
7 8N8226 Bearing main pair ■020
7 8N8227 Bearing main pair ■030
7 2531APA40-FM Bearing main pair ■040
7 2531APA50-FM Bearing main pair ■050
2 6N8940 Thrust plate .185 thick (replaces 6N4129)
2 9S3037 Thrust plate .232 thick (replaces 6N4129)
6 4W5739 Bearing rod pair Std, 3.Q000 journal, 3.25QQ housing bore, 1.504 length (replaces 8N8220)
6 8N8221 Bearing rod pair ■010
6 8N8222 Bearing rod pair ■020
6 8N8223 Bearing rod pair ■030
4 7M4046 Bearing cam 1.008 OAL
1 9M5477 Bearing cam 1.135 0AL
6 8N0703 Bushing con rod 1.700 pin, 1.430 〇AL# straight
GASKET & SEALS
CATGASKET NOTE Far gasket sets: Call with Serial and Arrangement Numbers
CAMSHAFT
CAMSHAFT CAMSHAFT Remanufactured available, call with casting number
12 7S3161 Lifter Solid type
VALVE TRAIN
CYLHEAD NOTE For complete and bare cylinder heads – Refer to Cylinder Head Catalog or Call with casting
6 2W2621 Valve intake 2.020 head dia, 5.510 length, .3717 stem, 30 deg, 2Gr Stellite (replaces 4W1670,7S8809, 9N6117)
6 8N0875 Valve exhaust 1.896 head dia, 5.469 length, 0.3717 stem dia, 30 degree, 2Gf stellite [repl 7S6767]
24 2A4429 Valve lock 0.372 stem dia, 2G, 7 degree
12 1621589 Valve guide 0.3741 ID, 0.6583 OD, 2.781 length (repl: 1487425, 1487502, 1167553,1090390, 1033298, 2P1262, 5S4598)
12 7S7144 Valve spring 1.373 ODf .185 wire dia, 2.085 free
12 1031800-F Rotator without shield [repl 8N7782, 5S5874]
12 1W5300 Rotocap Includes 6N7174 shield
6 5S7218 Valve insert Intake, 2.125 0□
6 1W5321-F Valve insert
[exhaust
FUEL! INJECTOR I
6 8M1584-F Nozzle service group Contains: capsule nozzle, orings, seal ring
6 8N8796 Nozzle service group Contains: capsule nozzle, orings, seal ring
Caterpillar 1673C/10.5L 6 Cylinder
Diesel (Continued) Bore 4.750
638 CID Stroke 6.000