CAT DIESEL ENGINE PARTS LIST
CAT D386, CAT D397, CAT D398, CAT D399
Caterpillar D386/40.9L 12 Cylinder
Diesel Bore 5.750
2493 CID Stroke 8.000
CYLINDER KIT
12 LK9111-F Cylinder kit 5.75Q bore, PC, straight rod, with plug, rect ring [4M9111 piston, 3S4Q31 rings, 7N98Q9 pinr 7M4926 retainers, 8N5G76 liner, 5P9221 seal kit]
12 PLG7N1366 Cylinder kit 5.75Q bore, PC, straight rod, with plug, key ring [8N5G7G liner, 7N136G piston, 8N5760 rings, 7N9809 pin, 7M4926 retainers, 8N5676 liner]
12 4M9111-F Piston body 5.75Q bore, PC, straight rod, with plug, rectangular ring; use with ring set 3S4031
12 7N1366 Piston body 5.750 bore, PC, straight rod, with plug, keystone ring
12 3S4031-F Ring set 5.7500 bore, rectangular ring [1 cyl set]
12 8N5760 Ring set 5.75QQ bore, keystone ring [1 cyl set]
12 7N9809-F Piston pin 2.3899 diar 4.726 length
24 7M4926 Retainer piston pin use with 2.4QQ dia pin [repl 6B2291]
12 8N5676 Cylinder liner 5.75QQ bore, bare liner
12 5P9221 Cylinder liner oring kit Contains:⑶ 6L7812,⑴ 8N4638
36 6L7812 Cylinder liner oring Lower liner s抽I; c加tained in 5P9221 seal kit
12 8N4638 Cylinder liner oring U卯er filler band; contained in 5P9221 seal kit
BEARINGS
D386BRG1 NOTE Early main bearing set:
6 7F9121 Bearing main pair Std
1 5F9848 Bearing main pair Std
6 4H9972 Bearing main pair .050
1 5F9847 Bearing main pair .Q5Q
D386BRG2 NOTE Late main bearing set:
6 4M8121 Bearing main pair Std
1 4M8122 Bearing main pair Std
6 4M9045 Bearing main pair .050
1 4M9046 Bearing main pair .050
12 4M9043 Bearing rod pair Std
12 4M9044 Bearing rod pair .050
1 7F5075 Bearing cam
6 7F5073 Bearing cam
12 4M9183 Bushing con rod 2.3801D, 2.617 OD, 2.06 0AL
12 1599X Bushing con rod [Discontinued] 2.350 IDr 2.687 0Dr 2.067 OAL; Full round bushing; use with rod 7B6225, 7B6625
GASKET & SEALS i
CATGASKET NOTE For gasket sets: Call with Serial and Arrangement Numbers
CAMSHAFT
CAMSHAFT CAMSHAFT Bemanufactured available, call with casting number
VALVE TRAIN
CYLHEAD NOTE For complete and bare cylinder heads – Refer to Cylinder Head Catalog or Call with casting
12 8H1993 Valve intake 2.343 head dia, 9.297 0AL, 0.4955 stem dia, tapered gr加ve [r印17F5310]
12 8H1994 Valve exhaust 2.282 head diar 9.266 length, 0.4955 stem diaf tapered groove [repl 7F4784,5F8365,1H9292]
24 4F5409-F Valve spring Inner, 1.145 0Df 2.359 free
24 4F5408-F Valve spring Outer, 1.641 0D, 2.421 free
12 2S0893-B Valve guide Intake, flanged; for 0.4955 stem dia [repl 6F5263]
12 1S6654-B Valve guide Exhaust, flanged; for 0.4955 stem dia
72 3B1143 Valve lock No bead, for tapered valve stem, for 0.4995 stem
24 7F7666-B Rotator
Caterpillar D386/40.9L 12 Cylinder
Diesel (Continued) Bore 5.750
2493 CID Stroke 8.000
FUEL IIMJECTOB
12 8M1584-F Nozzle service group Contains: capsule nozzle, orings, seal ring
12 9F2393-F Nozzle service group Contains: c叩如le nozzle, orings, seal ring
I AIR
TURBO TURBOCHARGER New or remanufactured available, call for pricing
Caterpillar D397/40.9L 12 Cylinder
Diesel Bore 5.750
2493 CID Stroke 8.000
CYLINDER KIT
12 LK9111-F Cylinder kit 5.75Q bore, PC, straight rod, with plug, rect ring [4M9111 piston, 3S4Q31 rings, 7N98Q9 pinr 7M4926 retainers, 8N5G76 liner, 5P9221 seal kit]
12 PLG7N1366 Cylinder kit 5.75Q bore, PC, straight rod, with plug, key ring [8N5G7G liner, 7N136G piston, 8N5760 rings, 7N9809 pin, 7M4926 retainers, 8N5676 liner]
12 4M9111-F Piston body 5.75Q bore, PC, straight rod, with plug, rectangular ring; use with ring set 3S4031
12 7N1366 Piston body 5.750 bore, PC, straight rod, with plug, keystone ring
12 3S4031-F Ring set 5.7500 bore, rectangular ring [1 cyl set]
12 8N5760 Ring set 5.75QQ bore, keystone ring [1 cyl set]
12 7N9809-F Piston pin 2.3899 diar 4.726 length
24 7M4926 Retainer piston pin use with 2.4QQ dia pin [repl 6B2291]
12 8N5676 Cylinder liner 5.75QQ bore, bare liner
12 5P9221 Cylinder liner oring kit Contains:⑶ 6L7812,⑴ 8N4638
36 6L7812 Cylinder liner oring Lower liner s抽I; c加tained in 5P9221 seal kit
12 8N4638 Cylinder liner oring U卯er filler band; contained in 5P9221 seal kit
BEARINGS
D386BRG1 NOTE Early main bearing set:
6 7F9121 Bearing main pair Std
1 5F9848 Bearing main pair Std
6 4H9972 Bearing main pair .050
1 5F9847 Bearing main pair .Q5Q
D386BRG2 NOTE Late main bearing set:
6 4M8121 Bearing main pair Std
1 4M8122 Bearing main pair Std
6 4M9045 Bearing main pair .050
1 4M9046 Bearing main pair .050
12 4M9043 Bearing rod pair Std
12 4M9044 Bearing rod pair .050
1 7F5075 Bearing cam
6 7F5073 Bearing cam
12 4M9183 Bushing con rod 2.3801D, 2.617 OD, 2.06 0AL
12 1599X Bushing con rod [Discontinued] 2.350 IDr 2.687 0Dr 2.067 OAL; Full round bushing; use with rod 7B6225, 7B6625
GASKET & SEALS i
CATGASKET NOTE For gasket sets: Call with Serial and Arrangement Numbers
CAMSHAFT
CAMSHAFT CAMSHAFT Bemanufactured available, call with casting number
VALVE TRAIN
CYLHEAD NOTE For complete and bare cylinder heads – Refer to Cylinder Head Catalog or Call with casting
12 8H1993 Valve intake 2.343 head dia, 9.297 0AL, 0.4955 stem dia, tapered gr加ve [r印17F5310]
12 8H1994 Valve exhaust 2.282 head diar 9.266 length, 0.4955 stem diaf tapered groove [repl 7F4784,5F8365,1H9292]
24 4F5409-F Valve spring Inner, 1.145 0Df 2.359 free
24 4F5408-F Valve spring Outer, 1.641 0D, 2.421 free
12 2S0893-B Valve guide Intake, flanged; for 0.4955 stem dia [repl 6F5263]
12 1S6654-B Valve guide Exhaust, flanged; for 0.4955 stem dia
72 3B1143 Valve lock No bead, for tapered valve stem, for 0.4995 stem
24 7F7666-B Rotator
Caterpillar D397/40.9L 12 Cylinder
Diesel (Continued) Bore 5.750
2493 CID Stroke 8.000
FUEL IIMJECTOB
12 8M1584-F Nozzle service group Contains: capsule nozzle, orings, seal ring
12 9F2393-F Nozzle service group Contains: c叩如le nozzle, orings, seal ring
I AIR
TURBO TURBOCHARGER New or remanufactured available, call for pricing
Caterpillar D398/48.8L 12 Cylinder
Diesel Bore 6.250
2976 CID Stroke 8.000
CYLINDER KIT
12 PLG7N4515 Cylinder kit 6.25QQ bore, rectangular ring [7N4515 piston, 1W5105 rings, 7N981Q pin, 7M4926 retainers, 8N9174 liner]
12 PLG7N5036 Cylinder kit 6.25QQ bore, keystone ring [7N5Q3G piston, 1N3601 rings, 7N981Q pin, 7M492G retainers, 8N9174 liner
12 8M3167 Piston body 6.25QQ bore, PC [3S4066]
12 7N4515 Piston body 6.2500 bore, PC [3S5502] rectangular compression ring
12 7N5036 Piston body 6.2500 bore, PC [7N5037] keystone compression ring
12 5H1085 Piston pin 2.4 dia; use with 8M3167 piston
12 7N9810 Piston pin 2.5 dia; use with 7N4515f 7N5Q36 piston [4L3843]
24 7M4926 Retainer piston pin use with 2.4DD dia pin [repl 6B2291]
12 1W5105 Ring set 6.25QQ bore, use with 8M3167f 7N4515 piston [9S8973]; rectangular comp ring
12 1N3601 Ring set 6.25QQ bore, use with 7N5036 piston; keystone comp ring
12 8N9174 Cylinder liner 6.25QQ bore
12 5P8970 Cylinder liner oring kit For one liner, contains: |3) 6L7815, (1) 8N4708
36 6L7815 Cylinder liner oring Lower liner seal; contained in 5P8970 seal kit
12 8N4708 Cylinder liner oring Upper filler band; contained in 5P897Q seal kit
BEARINGS
7 8N7764 Bearing main pair Std, 5.750 journal, 6.3730 housing bore, 2.130 length
7 8N776410-F Bearing main pair .010
7 8N7765 Bearing main pair .025
7 8N7766 Bearing main pair .050
2 4L4653 Thrust washer 0.284 thick
12 8N7769 Bearing rod pair Std, 5.Q00 journal 5.385Q housing bore, 1.862 length
12 8N776910-F Bearing rod pair .010
12 8N7770 Bearing rod pair .025
12 8N7771 Bearing rod pair .050
7 5L2894 Bearing cam
12 8N2275 Bushing con rod 2.450 IDr 2.678 0Df 2.250 length
GASKET & SEALS
CATGASKET NOTE For gasket sets: Call with Serial and Arrangement Numbers
6 3N3220 Gasket cylinder head Metal cladr use with 6L4497 gasket
6 3N3220CP Gasket cylinder head Soft, use with 6L4497 gasket
6 6L4497 Gasket push rod oil Push rod ail return, use with 3N322Q ar 3N3220CP
6 6L3352 Gasket valve cover
6 2N3597 Seal valve cover
1 4W2606 Seal crankshaft Directional CW
1 4W2607 Seal crankshaft Directional CCW
2 3N9160-B Ring crankshaft Piston ring type
1 8L5457 Gasket oil pan
CAMSHAFT
CAMSHAFT CAMSHAFT Remanufactured available, call with casting number
24 1021561 Lifter (repl 5L5486)
VALVE TRAIN
CYLHEAD NOTE Far complete and bare cylinder heads – Refer to Cylinder Head Catalog or Call with casting
D353HEAD1 NOTE: Tapered groove valve stem with 0.4955 dia and 3 locks each
12 7M7817 Valve intake 2.505 head, 0.4955 stem, tapered groove [4H9805,6H3186,1M7452]
12 8N3723 Valve exhaust 2.340 head, 0.4955 stemr tapered groove [4H9804r 6H3187f 8H7Q97f 4N6883f 3N1141]
Caterpillar D398/48.8L 12 Cylinder
Diesel 2976 CID (Continued) Bore 6.250 Stroke 8.000
24 7S6323 Valve spring Single spring
Single spring, use with 7N7639 rotocap
24 4F5408-F Valve spring Outer, 1.641 0D, 2.421 free
Dual spring
24 4F5409-F Valve spring Inner, 1.145 0D# 2.359 free
Dual spring
12 4N3664 Valve guide Intake; non flanged, use with 3N1414 spacer; for 0.4955 stem dia, 5.045 length
12 6N8847 Valve guide Exhaust; non flanged, use with 3N1414 spacer; for D.4955 stem dia, 5.438 length
24 3N1414 Spacer Use with non-flanged guide
72 3B1143 Valve lock No bead, for tapered valve stem, for 0.4995 stem
24 7N7639 Rotator [rep( 8M7637r4S7468]
Use with single valve spring
24 7F7666-B Rotator
Use with dual valve springs
24 3H5867 Retainer
12 used; 6 used on intake with 3B1142 used on exhaust
12 3B1142 Retainer
6 used on exhaust with 3H5867 retainer on intake
12 5H1464 Valve seat Intake
use with 6H8514 cylinder head
12 5S1757 Valve seat Intake
12 5H1463 Valve seat Exhaust
use with 6H8514 cylinder head
12 8M4014 Valve seat Exhaust
D353HEAD2 NOTE: Two groove valve stem with 0.3717 dia and 2 locks each
12 1W8606 Valve intake 2.505 head, 0.3717 stem, 2 groove
12 2W3211 Valve exhaust 2.35Q head, 0.3717 stem, 2 groove
12 1W1822 Valve exhaust 2.350 head, 0.3717 stem, 2 groove
24 9M5349 Valve spring Inner, 1.125 0D# 2.201 free
24 9M5350 Valve spring Outer, 1.654 0Df 2.574 free
12 2N9298 Valve guide Intake; for 0.3717 stem, 5.065 length
12 2N9299 Valve guide Exhaust; for 0.3717 stem, 5.450 length
24 3N1414 Spacer Use with non-flanged guide
48 2A4429 Valve lock 0.372 stem dia, 2Gr 7 degree
24 7N7639 Rotator [repl 8M7637,4S7468]
12 1W3062 Retainer Intake; includes 8N7780 shield
12 2N9297 Retainer Exhaust
12 5S1757 Valve seat Intake
12 8M4014 Valve seat Exhaust
FUEL | INJECTOR
12 7M7431 Nozzle service group Contains： capsule nozzle, orings, seal ring
COOLING SYSTEM
4 6I4954-F Thermostat Used with 4W9135 water connector group (4W4011)
4 4W4794 Thermostat Used with 7W8066 water lines group only, 180 degree [new# 2477133]
4 3S9643-F Seal thermostat Use with 6I4954 and 4W4794 thermostats
TU^OIAIR
TURBO TURBOCHARGER New or remamifactured available, call far pricing
BLOCK I
8N6938 Insert block 0.0625, stainless steel
1W6267 Sleeve block Z stepped
5P0936 Sleeve block L type, Cast Iron
Caterpillar G398/48.8L 12 Cylinder
Gas Bore 6.250
2976 CID, Natural Gas Stroke 8.000
CYLINDER KIT
12 PLG3S1824 Cylinder kit 7.0:1 CR
12 PLG3S1826 Cylinder kit 10.0:1 CR
12 3S1824 Piston body 7.0:1 CR
12 3S1826 Piston body 10.0:1 CR
12 7N9810 Piston pin 2.5 dia; use with 7N4515f 7N5036 piston [4L3843]
24 7M4926 Retainer piston pin use with 2.400 dia pin [repl 6B2291]
12 1W6055 Ring set
12 8N9174 Cylinder liner 6.2500 bore
12 5P8970 Cylinder liner oring kit Far ane liner, contains: (3) 6L7815r (1) 8N4708
BEARINGS
7 8N7764 Bearing main pair Stdr 5.750 jaurnal, 6.373Q housing borer 2.130 length
7 8N7765 Bearing main pair .025
7 8N7766 Bearing main pair .050
2 4L4653 Thrust washer 0.284 thick
12 8N7769 Bearing rod pair Stdr 5.Q00 journal, 5.385Q housing borer 1.862 length
12 8N7770 Bearing rod pair .025
12 8N7771 Bearing rod pair .050
7 5L2894 Bearing cam
12 8N2275 Bushing con rod 2.450 ID, 2.678 0D, 2.250 length
GASKET & SEALS
1 398081 Set overhaul 73B1-9Q5f Non Turbocharged
1 398081CP Set overhaul 73B1-9Q5, Non turbocharged. Composite head gasket
1 398161 Set overhaul 73 的 06-Up, Non Turbochdrged
1 398161CP Set overhaul 73B906-Upr Non Turbocharged, Composite head gasket
1 398091 Set overhaul 73B906-Upr Turbocharged, Aftercooled
1 398091CP Set overhaul 73B906-Up, Turbocharged, Aftercaolded, Composite head gasket
1 398082 Set inframe 73B1-9Q5, Non Turbocharged
1 398082CP Set inframe 73B1-9Q5f Non turbocharged. Composite head gasket
1 398162 Set inframe 73 的 06-Up, Non Turbochdrged
1 398162CP Set inframe 73B906-Up, Non Turbocharged, Composite head gasket
1 398092 Set inframe 73B906-Upr Turbocharged, Aftercooled
1 398092CP Set inframe 73B906-Upr Turbocharged, Aftercooldedr Composite head gasket
1 398083 Set cylinder head 73B1-9Q5, Non Turbocharged, multiple
1 398083CP Set cylinder head 73B1-9Q5, Non Turbocharged, Composite head gasket, multiple
1 398163 Set cylinder head 73 的 06-Up, Non Turbochdrged, multiple
1 398163CP Set cylinder head 73B906-Upr Non Turbocharged, Composite head gasket multiple
1 398093 Set cylinder head 73 的 06-Up. Turbtichdrged, Afte 咖 d6d, multiple
1 398093CP Set cylinder head 73明06-Up, Turbocharged, Aftercoolded, Composite head gasket, multiple
12 399054 Set cylinder head 49C1-Upr 72B1-Upr 73B1-Up: Single head, inlcudes ferrule assemblies
12 399054CP Set cylinder head 49C1-Upr 72B1-Upr 73B1-Up: Single head, includes ferrule assemblies. Composite head gasket
12 3N3220 Gasket cylinder head Metal cladr use with 6L4497 gasket
Caterpillar G398/48.8L 12 Cylinder
Gas (Continued) Bore 6.250
2976 CID, Natural Gas Stroke 8.000
12 3N3220CP Gasket cylinder head Soft, use with 6L4497 gasket
6 6L3352 Gasket valve cover
6 2N3597 Seal valve cover
1 8L5457 Gasket oil pan
6 1F9223 Gasket side door
6 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
24 1021561 Litter (repl 5L5486)
24 3F7445 Bushing rocker arm
24 8F8858 Button rocker arm
24 9F7707 Ring button retaining For 8F8858
24 1A0744 Screw rocker arm adj
24 1B4204 Nut Rocker arm adjusting
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
12 1W8606 Valve intake 2.505 head, 0.3717 stem, 2 groove
12 2W3211 Valve exhaust 2.350 head, 0.3717 stem, 2 groove
24 7S6323 Valve spring Single spring
Use With 7N7639 Rotocoil
24 9M5349 Valve spring Inner, 1.125 ODf 2.201 free
Use With 7N7639 Rotocoil
24 4F5409 Valve spring Double, inner
Use With 7F7666 Rotocoil
24 9M5350 Valve spring Outer, 1.654 0Df 2.574 free
Use With 7N7639 Rotacoil
24 4F5408 Valve spring
Use With 7F7666 Rotocoil
12 2N9298 Valve guide Intake; for 0.3717 stem, 5.065 length
12 2N9299 Valve guide Exhaust; for 0.3717 stem, 5.450 length
24 3N1414 Spacer Use with non-flanged guide
48 2A4429 Valve lock 0.372 stem dia, 2G, 7 degree
24 7N7639 Rotator [repl 8M7637,4S7468]
Use With Correct Springs
24 7F7666 Rotocoil
Use With Correct Springs
12 8N7780 Shield
12 1W3062 Retainer Intake; includes 8N7780 shield
12 2N9297 Retainer Exhaust
12 5S1757 Valve seat Intake
12 1S5738 Valve insert Exhaust
Caterpillar G398/48.8L 12 Cylinder
Gas (Continued) Bore 6.250
2976 CID, Natural Gas Stroke 8.000
D353HEAD1 NOTE: Tapered groove valve stem with 0.4955 dia and 3 locks each
Head using 1/2″ stem valves
12 7M7817 Valve intake 2.505 head, 0.4955 stem, tapered groove [4H9805, 6H3186,1M7452]
12 8N3723 Valve exhaust 2.340 head, 0.4955 stem, tapered groove [4H9804, 6H3187,8H7097,4N6883, 3N1141]
esn 73B1-81
12 5S5323 Valve exhaust
With Correct Serial Numbers
24 7S6323 Valve spring Single spring
Use With 7N7639 Rotacoil
24 9M5349 Valve spring Inner, 1.125 0D# 2.201 free
Use With 7N7639 Ratacail
24 4F5409 Valve spring Double, inner
Use With 7F7666 Ratacail
24 9M5350 Valve spring Outer, 1.654 0Df 2.574 free
Use With 7N7639 Ratacail
24 4F5408 Valve spring
Use With 7F7666 Rotocoil
12 4N3664 Valve guide Intake； non flanged, use with 3N1414 spacer; for Q.4955 stem dia, 5.045 length
12 6N8847 Valve guide Exhaust; non flanged, use with 3N1414 spacer； for 0.4955 stem dia, 5.438 length
24 3N1414 Spacer Use with non-flanged guide
72 3B1143 Valve lock No bead, for tapered valve stem, for 0.4995 stem
24 7N7639 Rotator [repl 8M7637,4S7468]
Use With Correct Springs
24 7F7666 Rotocoil
Use With Correct Springs
12 8N7780 Shield
12 1W3062 Retainer Intake; includes 8N778Q shield
12 2N9297 Retainer Exhaust
12 5S1757 Valve seat Intake
12 1S5738 Valve insert Exhaust
48 3B0645 Plug cup
12 7L0918 Spark plug adapter
12 6L1576 Gasket spark plug adp Metal gasket
12 6L7816 Seal spark plug adp
48 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 6N9235 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 測 741 Gasket thermostat housi
4 3S9643 Thermostat seal
Caterpillar G398/48.8L 12 Cylinder
Gas (Continued) Bore 6.250
2976 CID, Natural Gas Stroke 8.000
3S1723 Set water pump All engines with large case seal
Check Serial Number
1 6V5426 Set water pump
73B 1 ■ 905
1 6V6384 Set water pump
73B 906-1310
1 6V6385 Set water pump
73B1311-Up
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
2 5L2660 Bearing water pump Fresh water pump; 1 in water pump, 1 in carrier
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 6N9313
1 6N5475 Seal ring Rubber, Use with 6N9313
1 3H2018 Nut
1 3F2771 Cotter pin
12 5L9371 Water tube Cast iron
12 6L7817 Seal ring water tube
1 3N4365 Aftercooler element Fresh water
1 3N4366 Aftercooler element Fresh water
TUR 的 IAIR
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 D399 / 64.4L 16 Cylinder
Diesel Bore 6.250
3928 CID Stroke 8.000
CYLINDER KIT
16 PLG7N4515 Cylinder kit 6.25QQ bore, rectangular ring [7N4515 piston, 1W5105 rings, 7N981Q pin, 7M4926 retainers, 8N9174 liner]
16 PLG7N5036 Cylinder kit 6.25QQ bore, keystone ring [7N5Q3G piston, 1N3601 rings, 7N981Q pin, 7M492G retainers, 8N9174 liner
16 8M3167 Piston body 6.25QQ bore, PC [3S4066]
16 7N4515 Piston body 6.2500 bore, PC [3S5502] rectangular compression ring
16 7N5036 Piston body 6.2500 bore, PC [7N5037] keystone compression ring
16 5H1085 Piston pin 2.4 dia; use with 8M3167 piston
16 7N9810 Piston pin 2.5 dia; use with 7N4515f 7N5Q36 piston [4L3843]
32 7M4926 Retainer piston pin use with 2.4DD dia pin [repl 6B2291]
16 1W5105 Ring set 6.25QQ bore, use with 8M3167f 7N4515 piston [9S8973]; rectangular comp ring
16 1N3601 Ring set 6.25QQ bore, use with 7N5036 piston; keystone comp ring
16 8N9174 Cylinder liner 6.25QQ bore
16 5P8970 Cylinder liner oring kit For one liner, contains: |3) 6L7815, (1) 8N4708
48 6L7815 Cylinder liner oring Lower liner seal; contained in 5P8970 seal kit
16 8N4708 Cylinder liner oring Upper filler band; contained in 5P897Q seal kit
BEARINGS
9 8N7764 Bearing main pair Std, 5.750 journal, 6.3730 housing bore, 2.130 length
9 8N776410-F Bearing main pair .010
9 8N7765 Bearing main pair .025
9 8N7766 Bearing main pair .050
2 4L4653 Thrust washer 0.284 thick
16 8N7769 Bearing rod pair Std, 5.Q00 journal 5.385Q housing bore, 1.862 length
16 8N776910-F Bearing rod pair .010
16 8N7770 Bearing rod pair .025
16 8N7771 Bearing rod pair .050
9 5L2894 Bearing cam
16 8N2275 Bushing con rod 2.450 IDr 2.678 0Df 2.250 length
GASKET & SEALS
CATGASKET NOTE For gasket sets: Call with Serial and Arrangement Numbers
8 3N3220 Gasket cylinder head Metal cladr use with 6L4497 gasket
8 3N3220CP Gasket cylinder head Soft, use with 6L4497 gasket
8 6L4497 Gasket push rod oil Push rod ail return, use with 3N322Q ar 3N3220CP
8 6L3352 Gasket valve cover
8 2N3597 Seal valve cover
1 4W2606 Seal crankshaft Directional CW
1 4W2607 Seal crankshaft Directional CCW
2 3N9160-B Ring crankshaft Piston ring type
1 8L5457 Gasket oil pan
CAMSHAFT
CAMSHAFT CAMSHAFT Remanufactured available, call with casting number
32 1021561 Lifter (repl 5L5486)
VALVE TRAIN
CYLHEAD NOTE Far complete and bare cylinder heads – Refer to Cylinder Head Catalog or Call with casting
D353HEAD1 NOTE: Tapered groove valve stem with 0.4955 dia and 3 locks each
16 7M7817 Valve intake 2.505 head, 0.4955 stem, tapered groove [4H9805,6H3186,1M7452]
16 8N3723 Valve exhaust 2.340 head, 0.4955 stemr tapered groove [4H9804r 6H3187f 8H7Q97f 4N6883f 3N1141]
Caterpillar D399 / 64.4L 16 Cylinder
Diesel (Continued) Bore 6.250
3928 CID Stroke 8.000
32 7S6323 Valve spring Single spring
Single spring, use with 7N7639 rotocap
32 4F5408-F Valve spring Outer, 1.641 0D, 2.421 free
Dual spring
32 4F5409-F Valve spring Inner, 1.145 0D# 2.359 free
Dual spring
16 4N3664 Valve guide Intake; non flanged, use with 3N1414 spacer; for 0.4955 stem dia, 5.045 length
16 6N8847 Valve guide Exhaust; non flanged, use with 3N1414 spacer; for D.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 single valve spring
32 7F7666-B Rotator
Use with dual valve springs
32 3H5867 Retainer
12 used; 6 used on intake with 3B1142 used on exhaust
16 3B1142 Retainer
6 used on exhaust with 3H5867 retainer on intake
16 5H1464 Valve seat Intake
use with 6H8514 cylinder head
16 5S1757 Valve seat Intake
16 5H1463 Valve seat Exhaust
use with 6H8514 cylinder head
16 8M4014 Valve seat Exhaust
D353HEAD2 NOTE: Two groove valve stem with 0.3717 dia and 2 locks each
16 1W8606 Valve intake 2.505 head, 0.3717 stem, 2 groove
16 2W3211 Valve exhaust 2.35Q head, 0.3717 stem, 2 groove
16 1W1822 Valve exhaust 2.350 head, 0.3717 stem, 2 groove
32 9M5349 Valve spring Inner, 1.125 0D# 2.201 free
32 9M5350 Valve spring Outer, 1.654 0D, 2.574 free
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, 2Gr 7 degree
32 7N7639 Rotator [repl 8M7637,4S7468]
16 1W3062 Retainer Intake; includes 8N7780 shield
16 2N9297 Retainer Exhaust
16 5S1757 Valve seat Intake
16 8M4014 Valve seat Exhaust
FUEL | INJECTOR
16 7M7431 Nozzle service group Contains： capsule nozzle, orings, seal ring
COOLING SYSTEM
4 6I4954-F Thermostat Used with 4W9135 water connector group (4W4011)
4 4W4794 Thermostat Used with 7W8066 water lines group only, 180 degree [new# 2477133]
4 4W4841 Thermostat 190 degree
4 3S9643-F Seal thermostat Use with 6I4954 and 4W4794 thermostats
TUR的丨AIR
TURBO TURBOCHARGER New or remanufactured available, call for pricing
BLOCK
8N6938 Insert block 0.0625, stainless steel
1W6267 Sleeve block Z stepped
5P0936 Sleeve block L type, Cast Iron
Caterpillar G399/64.4L 16 Cylinder
Gas Bore 6.250
3928 CID, Natural Gas Stroke 8.000
CYLINDER KIT
16 PLG3S1824 Cylinder kit 7.0:1 CR
16 PLG3S1826 Cylinder kit 10.0:1 CR
16 3S1824 Piston body 7.0:1 CR
16 3S1826 Piston body 10.0:1 CR
16 7N9810 Piston pin 2.5 dia; use with 7N4515f 7N5036 piston [4L3843]
32 7M4926 Retainer piston pin use with 2.400 dia pin [repl 6B2291]
16 1W6055 Ring set
16 8N9174 Cylinder liner 6.2500 bore
16 5P8970 Cylinder liner oring kit For one liner, contains: (3) 6L7815r (1) 8N4708
BEARINGS
9 8N7764 Bearing main pair Stdr 5.750 journal 6.373Q housing bore, 2.130 length
9 8N7765 Bearing main pair .025
9 8N7766 Bearing main pair .Q5Q
2 4L4653 Thrust washer 0.284 thick
16 8N7769 Bearing rod pair Stdr 5.000 journal 5.385Q housing bore, 1.862 length
16 8N7770 Bearing rod pair .025
16 8N7771 Bearing rod pair .050
9 5L2894 Bearing cam
16 8N2275 Bushing con rod 2.450 IDr 2.678 0Df 2.250 length
GASKET & SEALS
1 9S4317 Set overhaul 49C1-261
1 399121 Set overhaul 49C261-Upr Non Turbocharged
1 399121CP Set overhaul 49C261-Up, Non turbocharged. Composite head gasket
1 399131 Set overhaul 49C261-Up, Turbocharged, Afteraaoled
1 399131CP Set overhaul 49C261-Upr Turbocharged, Aftercooled, Composite head gasket
1 399122 Set inframe 49C261-Up, Non Turbocharged
1 399122CP Set inframe 49C261-Up, Non turbocharged. Composite head gasket
1 399132 Set inframe 49C261-Upr Turbocharged, Aftercooled
1 399132CP Set inframe 49C261-Upr Turbocharged, Aftercooled, Composite head gasket
1 9S4316 Set cylinder head 49C1-261f Multiple
1 399123 Set cylinder head 49C261-Upr Non Turbocharged, multiple
1 399123CP Set cylinder head 49C261-Upr Non turbocharged. Composite head gasket multiple
1 399133 Set cylinder head 49C261-Up, Turbocharged, Afteraaoled, multiple
1 399133CP Set cylinder head 49C261-Upr Turbocharged, Aftercooled, Composite head gasket, multiple
16 399054 Set cylinder head 49C1-Upr 72B1-Upr 73B1-Up: Single head, inlcudes ferrule assemblies
16 399054CP Set cylinder head 49C1-Upr 72B1-Upr 73B1-Up: Single head, includes ferrule assemblies. Composite head gasket
16 3N3220 Gasket cylinder head Metal cladr use with 6L4497 gasket
16 3N3220CP Gasket cylinder head Soft, use with 6L4497 gasket
8 6L3352 Gasket valve cover
8 2N3597 Seal valve cover
1 8L5457 Gasket oil pan