The Caterpillar 3412C 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 |
|---|---|---|
| 7N3229 | Connecting rods | connecting_rod |
| 8N1728 | Connecting rods | connecting_rod |
| DZ114695 | (974C) (3447) (3449) (3451) (3453) (3448) (3452) (974Q) (3450) (3454) (974G) | coolant_filter |
| DZ111166 | (USE WITH DZ113373 974G) (974C) | fuel_filter |
| PEHP3036 | Cat Reman Short and Long Blocks | other_service |
| PEHP3036-01 | Cat Reman Short and Long Blocks | other_service |
| PEHP7069-01 | Reman Water Pump | water_pump |
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.