The Caterpillar C15 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 |
| PEHJ0170 | Air Inlet Shutoff | air_filter |
| M-1456700 | Corona de pistón | corona_de_pistón |
| AP70122 | DPF gasket | gasket |
| AP70313 | DPF gasket | gasket |
| AP70314 | DPF gasket | gasket |
| M-1609874 | Gasket Set - Cylinder Liner Packing | gasket |
| M-1891814 | Oil Cooler Set | gasket |
| M-2088350 | Air Compressor Set | gasket |
| M-2138621 | Water Pump Installation Set | gasket |
| M-2250773 | Fuel System Set | gasket |
| M-2341877 | Rear Structure Set | gasket |
| M-2341904 | Front Structure Set | gasket |
| M-2410825 | Turbocharger Installation Set | gasket |
| M-2572756 | Central & Lower Set | gasket |
| M-2800481 | Air Compressor Set | gasket |
| M-2853200 | Rear Structure Set | gasket |
| M-2903986 | Turbocharger Installation Set | gasket |
| M-2969932 | Fuel System Set | gasket |
| M-2969949 | Central & Lower Set | gasket |
| M-2997436 | Water Pump Installation Set | gasket |
| M-3483681 | Front Structure Set | gasket |
| M-3483682 | Oil Cooler Set | gasket |
| M-3639020 | Gasket Set - Central & Lower | gasket |
| M-3639024 | Gasket Set - Rear Structure | gasket |
| M-3648129 | Gasket Set - Rear Structure | gasket |
| M-3648338 | Gasket Set - Front Structure | gasket |
| M-4359418 | Gasket Set - Front Structure | gasket |
| M-4445208 | Gasket Set - Oil Cooler & Lines | gasket |
| M-4620795 | Gasket Set - Oil Cooler & Lines | gasket |
| M-4627233 | Gasket Set - Rear Structure | gasket |
| M-4631070 | Gasket Set - Aftercooler & Lines | gasket |
| M-4672743 | Gasket Set - Oil Cooler & Lines | gasket |
| M-4679007 | Gasket Set - Rear Structure | gasket |
| M-4698926 | Gasket Set - Turbo Installation | gasket |
| M-4711663 | Gasket Set - Central & Lower | gasket |
| M-4911916 | Gasket Set - Oil Cooler & Lines | gasket |
| M-4922707 | Gasket Set - Front Structure | gasket |
| M-4N1151 | Oil Pan Gasket | gasket |
| M-4N1151-6 | Oil Pan Gasket | gasket |
| M-5001802 | Gasket Set - Front Structure | gasket |
| M-5273499 | Gasket Set - Front Structure | gasket |
| M-5719902 | Head gasket kit | gasket |
| M-5P5678-6 | Valve Cover Gasket | gasket |
| M-5P5678-9 | Valve Cover Gasket | gasket |
| MCB3406461 | Overhaul Gasket Set | gasket |
| MCB3406462 | In-Chassis Gasket Set | gasket |
| MCB3406463 | Cylinder Head Gasket Set | gasket |
| MCB3406471 | Overhaul Gasket Set | gasket |
| MCB3406472 | In-Chassis Gasket Set | gasket |
| MCB3406473 | Cylinder Head Gasket Set | gasket |
| MCBC15091 | Overhaul Gasket Set | gasket |
| MCBC15092 | In-Chassis Gasket Set | gasket |
| MCBC15093 | Cylinder Head Gasket Set | gasket |
| MCBC15111 | Overhaul Gasket Set | gasket |
| MCBC15112 | In-Chassis Gasket Set | gasket |
| MCBC15211 | Overhaul Gasket Set | gasket |
| MCBC15212 | In-Chassis Gasket Set | gasket |
| MCBC15213 | Cylinder Head Gasket Set | gasket |
| MCBC15222 | In-Chassis Gasket Set | gasket |
| MCBC15321 | Overhaul Gasket Set | gasket |
| MCBC15322 | In-Chassis Gasket Set | gasket |
| MCBC15323 | Cylinder Head Gasket Set | gasket |
| MCBC15993 | Cylinder Head Gasket Set | gasket |
| M-4446485 | Gasket Set - C13-C15-C18 Front Structure | gasket_set |
| R-10R0955 | Fuel Injector - Reman | injector |
| R-10R0956 | Fuel Injector - Reman | injector |
| R-10R1000 | Fuel Injector - Reman | injector |
| R-10R1273 | Fuel Injector - Reman | injector |
| R-10R2780 | Fuel Injector - Reman | injector |
| R-10R3261 | Fuel Injector - Reman | injector |
| R-10R3265 | Fuel Injector - Reman | injector |
| R-10R6163 | Fuel Injector - Reman | injector |
| R-10R8501 | Fuel Injector - Reman | injector |
| M-CK1456700P | Kit de cilindro | kit_de_cilindro |
| 1899771CAT | Oil Control Piston Ring - Intermediate, 3406E/ C15 | other_service |
| 2243245 | Connecting rod | other_service |
| 888-983-7847 | ENGINE BLOCK CRANKSHAFT | other_service |
| 9Y6054 | Connecting rod | other_service |
| AEHQ5614-01 | 623G Wheel Tractor Scraper | other_service |
| AEHQ5628-02 | 826H Landfill Compactor | other_service |
| LEDH4624-01 | Cat ADEM 4 Controller | other_service |
| M-2485513 | 1 Regulator - 180ºC | other_service |
| M-3323722 | Camshaft | other_service |
| M-3327299 | Camshaft | other_service |
| M-3327301 | C15 camshaft | other_service |
| M-9Y0810 | Sleeve – Wear (Rear) | other_service |
| M-9Y0821 | Sleeve – Wear (Front) | other_service |
| MCB3067460 | Piston | other_service |
| MCIF3067460SDP | Inframe Kit | other_service |
| MCIF3569946SDP | Inframe Kit | other_service |
| MCOH3067460SDP | Overhaul Kit | other_service |
| MCOH3569946SDP | Overhaul Kit | other_service |
| R-20R2284 | C15/C18/C27/C32 ACERT Trim file (12-digit serial) | other_service |
| R-20R2285 | C15/C18/C27/C32 ACERT Trim file (12-digit serial) | other_service |
| g00702022 | Caterpillar equipment and replacement parts that are shipped from Caterpillar are asbestos free. | other_service |
| g01017254 | Illustration 1: Typical example (C15 shown) | other_service |
| i01480768 | Burn Prevention | other_service |
| i01806909 | Fire Prevention and Explosion Prevention | other_service |
| i02310010 | Operation and Maintenance Manual (SEBU7005-08) | other_service |
| i02966200 | General Hazard Information | other_service |
| i03602780 | Important Safety Information | other_service |
| MCB3569946 | Piston C15 High HP | piston |
| 1615719CAT | New Water Pump - fits 3406E & C15 | pump |
| M-1052508 | 1 Fuel Priming Pump | pump |
| M-1354925 | Water Pump | pump |
| M-1375541 | Fuel Priming Pump | pump |
| M-1614113 | Oil Pump | pump |
| M-1615719 | Water Pump | pump |
| M-3848611 | Pump - Transfer | pump |
| M-4N733 | Oil Pump | pump |
| M-1425867 | Front Crankshaft Seal | seal |
| M-1425868 | Rear Crankshaft Seal | seal |
| M-1632478 | 6 6 Valve Stem Seal - Exhaust | seal |
| M-2274239ORK | Injector Sleeve O-Ring Kit | seal |
| M-2287094 | Nose O-ring | seal |
| M-2481394 | Injector O-Ring Kit | seal |
| M-3044925 | Rocker Cover Isolator Seal | seal |
| M-3S9643 | Regulator Seal | seal |
| M-5S2106 | Fan Hub Seal | seal |
| M-7F2122 | Fan Hub O-Ring Seal | seal |
| M-1946722 | Sensor - Pressure | sensor |
| M-1946724 | Sensor - Pressure | sensor |
| M-1946725 | Sensor - Pressure | sensor |
| M-2244536 | Sensor - Pressure | sensor |
| M-2566453 | Sensor - Temperature | sensor |
| M-2644297 | Sensor - Temperature | sensor |
| M-2842728 | Sensor - Pressure | sensor |
| M-2477133 | Regulator - 190° | thermostat |
| M-4W4011 | Regulator - 170° | thermostat |
| 175-7546 | Oil Filter Cutter | tool |
| 1U-8760 | Chain Wrench | tool |
| 9U-7227 | Injector Height Gauge | tool |
| M-2321811 | Turbocharger | turbocharger |
| M-2514820 | Turbocharger | turbocharger |
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.
This engine family also powers 25 generator set(s) on Facts About Generators.