The Caterpillar 3412C 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 |
|---|---|---|
| 102-9720 | Cleaning Kit (detergent and oil for AIRSEP air cleaner elements) | Air filter |
| 151-7737 | Air Primary | Air filter |
| 189-0202 | Air Secondary | Air filter |
| 4N0015 | Air filter outer | Air filter |
| 9Y-3879 | Air | Air filter |
| 6T1395 | Alternator | Alternator |
| 118-2018 | V-belt | Belt |
| 6N6798 | V-belt | Belt |
| 9L6639 | V-belt | Belt |
| 3412C | Engine | Engine |
| 1P-0808 | Multipurpose Grease | Fluid |
| 1U-5490 | Hydrosolv 4165 liquid cleaner, 19 L (5 US gallon) | Fluid |
| 5N-5561 | Silicone Lubricant | Fluid |
| 133-5673 | Fuel/Water Separator | Fuel filter |
| 1R-0749 | Fuel Secondary - ADV | Fuel filter |
| 1R0749 | Filter fuel | Fuel filter |
| 4N1151 | Gasket oil pan | Gasket |
| 3T8705 | Glow plug | Glow plug |
| 3T8706 | Glow plug | Glow plug |
| 7C1068 | Water pump impeller | Impeller |
| 8S-2245 | Injection Cleaning Tool Group | Injector |
| 1R-0716 | Engine Oil | Oil filter |
| 1R-1808 | Engine Oil - ADV | Oil filter |
| 1R1808 | Filter oil | Oil filter |
| 169-8373 | Fluid Sampling Bottle | Service part / kit |
| 174-6854 | Hydrosolv 100 liquid cleaner, 19 L (5 US gallon) | Service part / kit |
| 245-5829 | Coolant Battery Tester Refractometer | Service part / kit |
| 4C-9301 | Coolant Conditioner Test Kit | Service part / kit |
| 5P-3413 | Pipe Sealant | Service part / kit |
| 8N1728 | Connecting rod | Service part / kit |
| 8T-5296 | Coolant Conditioner Test Kit | Service part / kit |
| 9S-3263 | Thread lock | Service part / kit |
| 108-6633 | Fuel pump | Pump |
| 137-1339 | Water pump | Pump |
| 161-4113 | Oil pump | Pump |
| 1U-5718 | Vacuum Pump | Pump |
| 384-8612 | Lift/transfer pump | Pump |
| 9S-8140 | Pressurizing Pump | Pump |
| 142-5867 | Front seal | Seal |
| 142-5868 | Rear seal | Seal |
| 4P-7610 | Magnetic Pickup Group (engine speed/timing sensor in flywheel housing) | Sensor |
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.