The Caterpillar C1.5 engine line groups 2 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 |
| 106-3973 | Air filter inner | air_filter |
| 142-1340 | Air Primary | air_filter |
| 142-1403 | Air Secondary | air_filter |
| 151-7737 | Air Primary | air_filter |
| 189-0202 | Air Secondary | air_filter |
| 197-8561 | Air filter | air_filter |
| 220-0454 | Air Primary | air_filter |
| 244-0514 | Air filter | air_filter |
| 246-5009 | Air | air_filter |
| 246-5010 | Air | air_filter |
| 246-5011 | Air Filter | air_filter |
| 263-1285 | Air filter | air_filter |
| 266-2793 | Air Filter | air_filter |
| 4N0015 | Air filter outer | air_filter |
| 9Y-3879 | Air | air_filter |
| PEHJ0170 | Air Inlet Shutoff | air_filter |
| 6T1395 | Alternator | alternator |
| 118-2018 | V-belt | belt |
| 164-4599 | V-belt | belt |
| 4N6302 | V-belt | belt |
| 304-7755 | Cat Regeneration System | cat_regeneration_system |
| 111-2369 | Maintenance Element | coolant_filter |
| 8T1589 | Maintenance Charge | coolant_filter |
| 8T9190 | Refill Charge | coolant_filter |
| 128-4124 | Kit without Conditioner | coolant_kit |
| 163-1128 | Kit with Liquid | coolant_kit |
| 163-1129 | Kit with Element | coolant_kit |
| M-1456700 | Corona de pistón | corona_de_pistón |
| 119-5152 | Cat Engine Oil (quart bottle) | fluid |
| 174-6854 | Hydrosolv 100 liquid cleaner, 19 L (5 US gallon) | fluid |
| 1U-5490 | Hydrosolv 4165 liquid cleaner, 19 L (5 US gallon) | fluid |
| 2S-3230 | Bearing Lubricant | fluid |
| 4C-6792 | VCI oil | fluid |
| 5N-5561 | Silicone Lubricant | fluid |
| 033-7854 | Filter fuel | fuel_filter |
| 133-5673 | Fuel/Water Separator | fuel_filter |
| 150-4142 | Filter fuel | fuel_filter |
| 1R-0749 | Fuel Secondary - ADV | fuel_filter |
| 1R-0762 | Fuel Secondary - ADV | fuel_filter |
| 1R-0770 | Fuel/Water Separator | fuel_filter |
| 1R-0781 | Fuel/Water Separator - ADV | fuel_filter |
| 1R0749 | Filter fuel | fuel_filter |
| 1R0751 | Fuel Filter (secondary) | fuel_filter |
| 1R0755 | Filter fuel | fuel_filter |
| 206-6910 | Fuel | fuel_filter |
| 210-6712 | Fuel | fuel_filter |
| 210-6787 | Fuel | fuel_filter |
| 271-1712 | Fuel | fuel_filter |
| 276-1804 | Fuel | fuel_filter |
| 276-1806 | Fuel Filter | fuel_filter |
| 326-1641 | Filter water separator | fuel_filter |
| 326-1642 | Filter water separator | fuel_filter |
| 326-1643 | Filter water separator | fuel_filter |
| 326-1644 | Radial seal FWS | fuel_filter |
| 3S3875 | Filter fuel | fuel_filter |
| 9N3717 | Filter water separator | fuel_filter |
| 138-4611 | Gasket exhaust manifold | gasket |
| 153-9653 | Gasket cylinder head | gasket |
| 155-8078 | Gasket kit overhaul | gasket |
| 4N1151 | Gasket oil pan | gasket |
| 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 |
| 1R0774 | Filter hydraulic | hydraulic_filter |
| 1R0777 | Filter hydraulic | hydraulic_filter |
| 328-3655 | Filter hydraulic/transmission | hydraulic_filter |
| 9T0973 | Filter hydraulic/transmission | hydraulic_filter |
| M-2463129 | Impeller – Water Pump | impeller |
| 252-1446 | Fuel injector | injector |
| 252-1466 | Fuel injector | injector |
| 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 |
| 296-8325 | Crankcase Ventilation (CV) Filter | ocv_filter_cartridge |
| 175-7546 | Oil Filter Cutter | oil_filter |
| 1R-0716 | Engine Oil | oil_filter |
| 1R-1808 | Engine Oil - ADV | oil_filter |
| 1R0716 | Filter oil | oil_filter |
| 1R1808 | Filter oil | oil_filter |
| 220-1523 | Engine Oil | oil_filter |
| 101-2844 | 1 gallon (3.8L) | other_service |
| 108-1760 | Bearing (Ball Bearing, frame 321 BC) | other_service |
| 108-1761 | Bearing (Ball Bearing, frame 322 BC) | other_service |
| 139-0349 | Bearing (Roller Bearing) | other_service |
| 139-0350 | Bearing (Roller Bearing) | other_service |
| 154-3032 | Bearing (Ball Bearing, frame 326 BC) | other_service |
| 1540867 | Connecting rod | other_service |
| 1566980 | Connecting rod | other_service |
| 177-9778 | Base | other_service |
| 1899771CAT | Oil Control Piston Ring - Intermediate, 3406E/ C15 | other_service |
| 193-4070 | Bearing (Ball Bearing, frame 018 BC) | other_service |
| 195-1068 | Base | other_service |
| 206-5756 | PrimeTime Prime Only Configuration Kit | other_service |
| 2243245 | Connecting rod | other_service |
| 241-4644 | Bearing (frame 320 BC) | other_service |
| 243-5220 | Bearing (frame 315 BB) | other_service |
| 253-9789 | Bearing (frame 320 BC) | other_service |
| 261-3545 | Bearing (frame 307 BB) | other_service |
| 262-5921 | Bearing (frame 307 BC) | other_service |
| 263-0161 | Bearing (frame 309 BC) | other_service |
| 311-0843 | Bearing (Ball Bearing, frame 326 BC) | other_service |
| 311-0844 | Bearing (Ball Bearing, frame 322 BC) | other_service |
| 5P-2448 | Bearing (Ball Bearing, frame 315 BC) | other_service |
| 6Y-3955 | Bearing (Ball Bearing, frame 220 BC) | other_service |
| 6Y-6488 | Bearing (Ball Bearing, frame 318 BC) | 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 |
| ALR160-S04 | ALR Series Linear Actuator | 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 |
| 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 |
| MCB3067460 | one piece forged steel piston that is al high-strength to provide a longer life | piston |
| MCB3569946 | Piston | piston |
| 138-6744 | Water pump repair kit | pump |
| 161-4113 | Oil pump | pump |
| 1615719CAT | New Water Pump - fits 3406E & C15 | pump |
| 183-4320 | Lift/transfer pump | pump |
| 311-0053 | Water pump | pump |
| 336-2213 | Water pump | pump |
| 352-0211 | Water pump | pump |
| 384-8611 | Lift/transfer pump | pump |
| 384-8612 | Lift/transfer pump | 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-2463130 | Shaft – Water Pump | pump |
| M-2672839 | Water pump repair kit | pump |
| M-3848611 | Pump - Transfer | pump |
| M-4N733 | Oil Pump | pump |
| 142-5867 | Front seal | seal |
| 142-5868 | Rear seal | seal |
| 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 |
| 247-7133 | Thermostat | thermostat |
| 248-5513 | Thermostat | thermostat |
| 251-7660 | Thermostat | thermostat |
| M-2477133 | Regulator - 190° | thermostat |
| M-4W4011 | Regulator - 170° | thermostat |
| 1U-8760 | Chain Wrench | tool |
| 9U-7227 | Injector Height Gauge | tool |
| 177-0440 | Turbocharger | turbocharger |
| 196-5951-RK | Turbocharger repair kit | turbocharger |
| M-2321811 | Turbocharger | turbocharger |
| M-2514820 | Turbocharger | turbocharger |
| 305-2389 | Wire Brush | wire_brush |
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 13 generator set(s) on Facts About Generators.