The Caterpillar C9 engine line groups 3 variant designations. Parts and fitment are pooled here so a cross-reference found on one variant surfaces for the whole family.
| Part # | Description | Category |
|---|---|---|
| AP70121 | Diesel particulate filter (DPF) | Dpf |
| AP70123 | Diesel particulate filter (DPF) | Dpf |
| 142-1340 | Air Primary | Air filter |
| 142-1403 | Air Secondary | Air filter |
| 142-1404 | Air filter inner | Air filter |
| 211-2660 | Air filter assy | Air filter |
| 220-0454 | Air Primary | Air filter |
| 262-5194 | Air | Air filter |
| 6I2502 | Air filter inner | Air filter |
| 118-2018 | V-belt | Belt |
| 130-3216 | V-belt | Belt |
| 183-4494 | V-belt | Belt |
| 190-4155 | V-belt | Belt |
| 211-5022 | V-belt | Belt |
| 241-2896 | V-belt | Belt |
| 263-1830 | V-belt | Belt |
| 7M4705 | V-belt | Belt |
| M-1904155 | Fan, 8 Rib, 88.42in (2246mm) | Belt |
| 111-2369 | Maintenance Element | Coolant filter |
| i0287178 | Cooling System Coolant Sample (Level 1) - Obtain | Cooling system cooldown sample level 1 obtain |
| i0287180 | Cooling System Coolant Sample (Level 2) - Obtain | Cooling system cooldown sample level 2 obtain |
| i0287189 | Diesel Particulate Filter - Clean | Diesel particulate filter clean |
| i0287195 | Engine Air Cleaner Element - Clean/Replace | Engine air cleaner element clean replace |
| i0287193 | Engine Air Cleaner Element (Dual Element) - Clean/Replace | Engine air cleaner element dual element clean replace |
| i0287192 | Engine - Clean | Engine clean |
| i0287200 | Engine Oil Level Gauge - Calibrate | Engine oil level gauge calibrate |
| i0287212 | Engine Storage Procedure - Check | Engine storage procedure check |
| 101-2844 | 1 gallon (3.8L) | Fluid |
| 119-5152 | Cat Engine Oil (quart bottle) | Fluid |
| 1R-0762 | Fuel Secondary - ADV | Fuel filter |
| 1R-0770 | Fuel/Water Separator | Fuel filter |
| 1R0749 | Filter fuel | Fuel filter |
| 1R0751 | Fuel Filter (secondary) | Fuel filter |
| 1R0762 | Filter fuel | Fuel filter |
| 326-1643 | Filter water separator | Fuel filter |
| 326-1644 | Filter water separator | Fuel filter |
| 3S3875 | Filter fuel | Fuel filter |
| M-1393526 | 1 1 Fuel Filter Base Gasket | Fuel filter |
| i0287215 | Fuel System - Prime | Fuel system prime |
| i0287225 | Fuel Tank Water and Sediment - Drain | Fuel tank water and sediment drain |
| 1613411 | Exhaust Manifold Gasket | Gasket |
| 1661781 | Front Cover Gasket | Gasket |
| 187-1315 | Gasket cylinder head | Gasket |
| 190-6114 | Gasket oil pan | Gasket |
| 1906114 | Oil Pan Gasket | Gasket |
| 1914457 | Regulator Housing Gasket | Gasket |
| 192-2133 | Gasket exhaust manifold | Gasket |
| 1950452 | Oil Pick Up Tube Gasket | Gasket |
| 1P0451 | Turbo Mounting Gasket | Gasket |
| 1P436 | Fuel Priming Pump Gasket | Gasket |
| 2002258 | Water Pump Gasket | Gasket |
| 2090762 | Front Cover Gasket | Gasket |
| 2097290 | Oil Filter Base Gasket | Gasket |
| 2097293 | Oil Cooler Core Gasket | Gasket |
| 217-5701 | Gasket valve cover | Gasket |
| 2175701 | Valve Cover Gasket | Gasket |
| 2192340 | Regulator Housing Gasket | Gasket |
| 2683490 | Valve Cover Gasket Base | Gasket |
| 2854106 | Valve Cover Gasket Upper | Gasket |
| 2S0795 | Core Gasket | Gasket |
| 7C7431 | Turbo Mounting Gasket | Gasket |
| 7M7273 | Turbo Mounting Gasket | Gasket |
| AP70122 | DPF gasket | Gasket |
| AP70314 | DPF gasket | Gasket |
| M-1050452 | Oil Pickup Tube Gasket 35, 38 | Gasket |
| M-1136250 | 1 Manifold to Cylinder Head Oil Cooler Gasket | Gasket |
| M-1154245 | 1 Manifold to Cylinder Head Intake Manifold Gasket | Gasket |
| M-1192950 | 1 Valve Cover Gasket | Gasket |
| M-1193072 | 1 Oil Pan Gasket | Gasket |
| M-1265466 | 1 Regulator Gasket | Gasket |
| M-1279811 | 1 Friont Cover Gasket | Gasket |
| M-1359819 | 1 Cam Follower Cover Gasket | Gasket |
| M-1360812 | 1 Regulator Gasket | Gasket |
| M-13932526 | Front Cover Gasket 19, 29 | Gasket |
| M-1443472 | 1 Oil Cooler Gasket | Gasket |
| M-1613411 | 6 Dry Manifold Front Cover Gasket | Gasket |
| M-1661781 | 1 Front Cover Gasket | Gasket |
| M-1697487 | 1 Oil Pan Gasket | Gasket |
| M-1914457 | 1 Regulator Housing Gasket to Cylinder Head | Gasket |
| M-1950452 | 1 Oil Pick Up Tube Gasket | Gasket |
| M-1957339 | 1 1 Regular Gasket | Gasket |
| M-1978418 | 1 Turbo Oil Supply Gasket | Gasket |
| M-1P0451 | 1 3 3/4in x 4 1/4in Turbo Mounting Gasket | Gasket |
| M-1P436 | 1 Fuel Priming Pump Gasket | Gasket |
| M-1S7057 | 1 1 Valve Cover Gasket | Gasket |
| M-2097290 | 1 Oil Pan Gasket | Gasket |
| M-2097293 | 1 Oil Cooler Core Gasket | Gasket |
| M-2175701 | 2 Valve Cover Gasket | Gasket |
| M-2192340 | 1 Regulator Housing Gasket 2pc Housing | Gasket |
| M-2213494 | 1 Valve Cover Gasket | Gasket |
| M-2223915 | Regulator Gasket 29 | Gasket |
| M-2225915 | 1 Regulator Gasket | Gasket |
| M-2337655 | 1 Inner Oil Cooler Gasket | Gasket |
| M-2585646 | 1 Intake Manifold Cover Gasket | Gasket |
| M-2613816 | 1 Oil Pickup Tube Gasket | Gasket |
| M-2692904 | 1 Turbo Oil Drain Gasket | Gasket |
| M-2850365 | 1 Turbo Mounting Gasket | Gasket |
| M-2S0795 | 2 Core Gasket | Gasket |
| M-2W7212 | 1 1 Regular Gasket | Gasket |
| M-3K360 | 1 Oil Pan Gasket | Gasket |
| M-4502539 | Gasket Set - Front Structure | Gasket |
| M-4532206 | Gasket Set - Front Structure | Gasket |
| M-4551697 | Gasket Set - Front Structure | Gasket |
| M-4568332 | Gasket Set - Front Structure | Gasket |
| M-4589490 | Gasket Set - Rear Structure | Gasket |
| M-4590197 | Gasket Set - Oil Cooler & Lines | Gasket |
| M-4716555 | Gasket Set - Single CYL Head | Gasket |
| M-4P1624 | 1 Intake Manifold Gasket | Gasket |
| M-4Y9652 | 2 3 Exhaust Manifold Gasket | Gasket |
| M-6I3033 | 1 1 Front Cover Gasket | Gasket |
| M-6V8260 | 1 Cam Follower Cover Gasket | Gasket |
| M-7C1151 | 1 Intake Manifold Cover Gasket | Gasket |
| M-7C1159 | 1 Intake Manifold Cover Gasket | Gasket |
| M-7C1162 | 1 Inner Oil Cooler Gasket | Gasket |
| M-7C1163 | 1 Outer Oil Cooler Gasket | Gasket |
| M-7C7431 | 1 1 Turbo Oil Drain Gasket | Gasket |
| M-7M7273 | 1 Water Cooled Valve Cover Gasket Upper | Gasket |
| M-7W2398 | 1 1 Turbo Oil Supply Gasket | Gasket |
| M-7W5340 | 1 1 Regulator Gasket | Gasket |
| 193-2785 | Hose | Hose |
| 193-2786 | Hose | Hose |
| 230-2930 | Hose | Hose |
| 230-2931 | Hose | Hose |
| 093-7521 | Filter hydraulic | Hydraulic filter |
| 1R0774 | Filter hydraulic | Hydraulic filter |
| 1R0777 | Filter hydraulic | Hydraulic filter |
| 328-3655 | Filter hydraulic/transmission | Hydraulic filter |
| M-0328970 | 4 6 Injector O-Ring - Lower | Injector |
| M-1148718 | 6 Injector O-Ring - Upper HEUI | Injector |
| M-1193061 | 4 6 Injector Tube | Injector |
| M-1258274 | 6 Injector O-Ring - Lower HEUI | Injector |
| M-1278213 | 4 6 Fuel Injector - MUI | Injector |
| M-1278216 | 4 6 Fuel Injector - MUI | Injector |
| M-1278218 | 4 6 Fuel Injector - MUI | Injector |
| M-1278222 | 4 6 Fuel Injector - MUI | Injector |
| M-1278225 | 4 6 Fuel Injector - MUI | Injector |
| M-2271200 | 6 Injector Tube | Injector |
| M-2272911 | 6 Injector Tube | Injector |
| M-2291490 | 6 Injector Tube | Injector |
| M-4P2995 | 4 6 Fuel Injector - MUI | Injector |
| M-4P8577 | 4 6 Pushrod - Injector | Injector |
| M-6V6228 | 4 6 Injector O-Ring - Upper | Injector |
| 296-8325 | Crankcase Ventilation (CV) Filter | Ocv filter cartridge |
| 102-2828 | Filter oil | Oil filter |
| 126-2081 | Filter oil | Oil filter |
| 1R-1808 | Engine Oil - ADV | Oil filter |
| 1R0716 | Filter oil | Oil filter |
| 1R0719 | Filter oil | Oil filter |
| 1R1808 | Filter oil | Oil filter |
| M-3P1156 | 2 Oil Filter Base Gasket | Oil filter |
| 128-4124 | Kit without Conditioner | Service part / kit |
| 1608199 | Connecting rod | Service part / kit |
| 163-1128 | Kit with Liquid | Service part / kit |
| 163-1129 | Kit with Element | Service part / kit |
| 304-7755 | Cat Regeneration System | Service part / kit |
| 305-2389 | Wire Brush | Service part / kit |
| 888-983-7847 | ENGINE BLOCK CRANKSHAFT | Service part / kit |
| 8889837647 | LOCK RETAINER | Service part / kit |
| 8T1589 | Maintenance Charge | Service part / kit |
| 8T9190 | Refill Charge | Service part / kit |
| M-0L1026 | 2 Cup Plug | Service part / kit |
| M-0L364 | 2 Exhaust Manifold Lock | Service part / kit |
| M-1011530 | 3 3 Main Bearing - STD | Service part / kit |
| M-1014495 | 3 11 5RM | Service part / kit |
| M-1077545 | 20 4KR IND | Service part / kit |
| M-1077553 | 7 3RJ TRUCK | Service part / kit |
| M-1077563 | 22 11 2FG | Service part / kit |
| M-1077604 | 6 6 Cylinder Salvage Sleeve | Service part / kit |
| M-1077708 | 1 3 Main Bearing - STD | Service part / kit |
| M-1136200 | 2 3 Exhaust Manifold Lock | Service part / kit |
| M-1154124 | CB634/3BR-5CL 39 | Service part / kit |
| M-1154223 | 1 Regulator - 97ºC | Service part / kit |
| M-1163715 | 12 -Stud Taperlock* | Service part / kit |
| M-1193045 | 6 Valve Spring - Intake | Service part / kit |
| M-1193075 | 1 1 Regular - 94ºC | Service part / kit |
| M-1227375 | 6 Valve Guide - Exhaust | Service part / kit |
| M-1243686 | 1 Oil Cooler Set | Service part / kit |
| M-1265869 | 1 Regular - 94ºC | Service part / kit |
| M-1275537 | 1 Oil Cooler Core Transmission | Service part / kit |
| M-1279810 | 1 Exhaust Manifold Lock | Service part / kit |
| M-1334983 | 40 11 9ZR | Service part / kit |
| M-1335037 | 6 Spring Retainer - Exhaust 0.540in Thick | Service part / kit |
| M-1335044 | 25 11 6MS | Service part / kit |
| M-1344483 | 6 6 Spring Retainer - Exhaust | Service part / kit |
| M-1360819 | 4 6 Valve - Exhaust | Service part / kit |
| M-1371260 | 1 Fuel System Set | Service part / kit |
| M-1376715 | 6 6 Spring Seat - Exhaust | Service part / kit |
| M-1376718 | 6 6 Valve Spring - Exhaust | Service part / kit |
| M-1406188 | 12 12 Valve Spring - Intake | Service part / kit |
| M-1409670 | 12 12 Valve Guide - Intake | Service part / kit |
| M-1419501 | 1 Fuel System Set | Service part / kit |
| M-1422222 | 1 Oil Cooler Set | Service part / kit |
| M-1427307 | 100 11 2FR | Service part / kit |
| M-1443444 | 100 4ES TRUCK | Service part / kit |
| M-1450162 | 1 3 Main Bearing - 0.25mm OS | Service part / kit |
| M-1450163 | 3 3 Main Bearing - 0.25mm OS | Service part / kit |
| M-1450164 | 1 3 Main Bearing - 0.50mm OS | Service part / kit |
| M-1450165 | 3 3 Main Bearing - 0.50mm OS | Service part / kit |
| M-1457390 | 12 12 Valve - Intake | Service part / kit |
| M-1478211 | 6 6 Valve - Exhaust | Service part / kit |
| M-1478218 | 6 Valve Seat - Exhaust | Service part / kit |
| M-1478220 | 6 6 Valve Guide - Exhaust | Service part / kit |
| M-1504621 | 26 11 3TR | Service part / kit |
| M-1512939 | 7 Main Bearing - STD | Service part / kit |
| M-1548853 | 1 Air Compressor Set Machine | Service part / kit |
| M-1559504 | 12 Valve Seat - Intake | Service part / kit |
| M-1560235 | 2 5 Exhaust Manifold Lock | Service part / kit |
| M-1564179 | 1 Air Compressor Set Industrial | Service part / kit |
| M-1577129 | 12 Valve - Intake | Service part / kit |
| M-1577130 | 6 Valve - Exhaust | Service part / kit |
| M-1608194 | 6 Connecting Rod Bushing | Service part / kit |
| M-1614280 | 6 Valve - Intake | Service part / kit |
| M-1632442 | 12 Valve - Intake | Service part / kit |
| M-1635735 | 1 Fuel System Set | Service part / kit |
| M-1639063 | 6 Valve Seat - Intake | Service part / kit |
| M-1646556 | 33 11 6MK | Service part / kit |
| M-1654265 | 34 9ZF MARINE | Service part / kit |
| M-1662905 | 1 1 Intergral Style | Service part / kit |
| M-1663648 | 6 Piston Pin | Service part / kit |
| M-1687224 | 6 6 Piston Pin | Service part / kit |
| M-1687226 | 6 6 Piston Pin - Articulated | Service part / kit |
| M-1750454 | 14 Main Cap Bolt | Service part / kit |
| M-1753671 | 100 11 BEJ | Service part / kit |
| M-1767688 | 12 Valve Seat - Intake | Service part / kit |
| M-1767690 | 12 Valve Seat - Exhaust | Service part / kit |
| M-1874123 | 12 Valve - Intake Marine | Service part / kit |
| M-1883122 | 12 Valve - Exhaust | Service part / kit |
| M-1903562 | 6 Cylinder Liner | Service part / kit |
| M-1906115 | 24 Valve Spring - Inner | Service part / kit |
| M-1906117 | 24 Valve Spring - Outer | Service part / kit |
| M-1966929 | 1 Fuel System Set | Service part / kit |
| M-1966931 | 1 Oil Cooler Set | Service part / kit |
| M-1979297 | Note: For Wet Housing Units Order QTY-1 M-2854074 Rear Seal 1 31 | Service part / kit |
| M-1979340 | G3E TRUCK | Service part / kit |
| M-1979345 | Note: Engine Kits DO NOT INCLUDE the seals and gaskets for the Aftercooler, Heat Exchanger, Seawater | Service part / kit |
| M-1979368 | 13 C9J | Service part / kit |
| M-1979371 | 6 Piston Pin | Service part / kit |
| M-1979372 | Piston Pin Retainer 6 | Service part / kit |
| M-1W2713 | 4 6 Valve Seat - Exhaust | Service part / kit |
| M-1W2715 | 16 24 Valve Lock | Service part / kit |
| M-2035805 | 2 Camshaft Bushing - Intermediate | Service part / kit |
| M-2036090 | 1 Camshaft Bushing - Rear | Service part / kit |
| M-2107440 | 1 Expansion Tank Set | Service part / kit |
| M-2107445 | 1 Water Lines Set | Service part / kit |
| M-2112134 | 24 Valve Spring - Retainer | Service part / kit |
| M-2124893 | 1 1 Main Bearing - STD | Service part / kit |
| M-2128917 | 12 Valve Seat - Exhaust Marine | Service part / kit |
| M-2128918 | 12 Valve Seat - Intake Marine | Service part / kit |
| M-2133190 | 6 Connecting Rod Bearing - STD | Service part / kit |
| M-2133193 | 4 6 Connecting Rod Assembly | Service part / kit |
| M-2165586 | 1 1 Camshaft Bearing | Service part / kit |
| M-2175213 | 12 Valve Seat - Intake | Service part / kit |
| M-2184878 | 1 Air Compressor Set Truck | Service part / kit |
| M-2211406 | 1 Air Compressor Set Truck | Service part / kit |
| M-2243871 | 1 Rear Structure Set | Service part / kit |
| M-2243896 | 1 Rear Structure Set | Service part / kit |
| M-2244384 | 1 Rear Structure Set - Wet | Service part / kit |
| M-2246638 | 4 6 Connecting Rod Bearing - STD | Service part / kit |
| M-2295153 | 1 1 Main Bearing - 0.25mm OS | Service part / kit |
| M-2295154 | 1 1 Main Bearing - 0.50mm OS | Service part / kit |
| M-2321285 | 6 6 Valve Seat - Exhaust | Service part / kit |
| M-2382701 | 9DG549 And Up 16 CKP | Service part / kit |
| M-2382716 | 4 6 Piston Skirt | Service part / kit |
| M-2382720 | 100 11 JRA | Service part / kit |
| M-2382726 | 6 6 Piston Skirt | Service part / kit |
| M-2382729 | 29 DCD IND | Service part / kit |
| M-2382735 | 6 Piston Pin | Service part / kit |
| M-2418382 | 12 Valve - Intake | Service part / kit |
| M-2418383 | 12 Valve - Exhaust | Service part / kit |
| M-2418384 | 12 Valve Spring Retainer - Intake | Service part / kit |
| M-2418385 | 12 Valve Spring - Outer | Service part / kit |
| M-2418386 | 12 Valve Spring - Inner | Service part / kit |
| M-2418388 | 12 Valve Seat - Intake | Service part / kit |
| M-2421542 | 12 Valve - Intake Marine | Service part / kit |
| M-2425040 | 1 Central And Lower All | Service part / kit |
| M-2436716 | 1 Main Bearing And Thrust Set - STD | Service part / kit |
| M-2463150 | 2 Thrust Plate | Service part / kit |
| M-2469855 | 12 Valve - Exhaust Marine | Service part / kit |
| M-2477133 | 1 Regulator - 190ºC | Service part / kit |
| M-2485513 | 1 Regulator - 180ºC | Service part / kit |
| M-2595829 | 12 Valve Guide - Intake | Service part / kit |
| M-2604856 | 24 Valve Guide | Service part / kit |
| M-2611544 | 1 Crankshaft Assembly w/ Timing Gear | Service part / kit |
| M-2624971 | 1 Oil Cooler Set | Service part / kit |
| M-2646157 | 12 12 Valve Seat - Intake | Service part / kit |
| M-2664325 | 1 Cantral And Lower Set Industrial And Generator | Service part / kit |
| M-2664561 | 1 Central And Lower Set | Service part / kit |
| M-2665907 | 1 Central And Lower Set Marine | Service part / kit |
| M-2667283 | 1 Central And Lower Set | Service part / kit |
| M-2715658 | 1 Crankshaft w/o Gear | Service part / kit |
| M-2721956 | 6 6 Exhaust Manifold Lock | Service part / kit |
| M-2722312 | 14 X9Y 14 | Service part / kit |
| M-2729813 | 12 Intake Seat | Service part / kit |
| M-2780574 | 100 11 FML | Service part / kit |
| M-2807281 | 100 11 M7G | Service part / kit |
| M-2821771 | 7 Main Bearing - 0.25mm OS | Service part / kit |
| M-2821772 | 7 Main Bearing - 0.51mm OS | Service part / kit |
| M-2822478 | 6 Connecting Rod Bearing - 0.25mm OS | Service part / kit |
| M-2822479 | 6 Connecting Rod Bearing - 0.51mm OS | Service part / kit |
| M-2849744 | 1 Central And Lower Set | Service part / kit |
Parts cataloged across all variants of this engine family — verify the exact part fits your specific variant and serial number before ordering.
Leads compiled from supplier catalogs across the family’s variants; verify the exact part for your variant and serial number.