| 8N7172 | Head group (cylinder heads and valve) | Caterpillar | | |
| 8N7191 | Seat (push rods and valve lifters) | Caterpillar | | |
| 8N7197 | Socket (push rods and valve lifters) | Caterpillar | | |
| 8N7233 | Oil level gauge group | Caterpillar | | |
| 8N7289 | Arm assembly (push rods and valve lifters) | Caterpillar | | |
| 8N7290 | Arm assembly (push rods and valve lifters) | Caterpillar | | |
| 8N7292 | Bridge assembly (push rods and valve lifters) | Caterpillar | | |
| 8N7296 | Retainer (pistons and connecting rods) | Caterpillar | | |
| 8N7351 | Connector assembly (injector, lines, fuel) | Caterpillar | | |
| 8N7639 | Elbow (water lines, upper) | Caterpillar | | |
| 8N7640 | Gasket (water lines, upper) | Caterpillar | | |
| 8N7641 | Tube (water lines, lower) | Caterpillar | | |
| 8N7810 | Ring, intermediate (pistons and connecting rods) | Caterpillar | | |
| 8N786 | Tube assembly (injector, lines, fuel) | Caterpillar | | |
| 8N7963 | Piston gp (pistons and connecting rods) | Caterpillar | | |