| Ref | Part Number | Description |
|---|---|---|
| 1 | 420812726 | Oil Pump Housing |
| 2 | 420837543 | Oil Pump Shaft |
| 3 | 420956675 | Oil Pump Rotor 16 mm |
| 4 | 420811851 | Oil Pump Cover |
| 5 | 420641048 | Torx Flange Screw M6 X 16 |
| 6 | 420856520 | Oil Sieve |
| 8 | 420641238 | Torx Flange Screw M6 X 25 |
| 9 | 420837472 | Pump Shaft Ass'y |
| 10 | 420956675 | Oil Pump Rotor 16 mm |
| 11 | 420929070 | Needle Pin |
| 12 | 420811591 | Oil Pump Cover |
| 13 | 420641048 | Torx Flange Screw M6 X 16 |
| 14 | 420956950 | Oil Sieve |
| 15 | 420256606 | Valve Seat Sleeve |
| 16 | 420256638 | Piston Valve This part replaces 420256633. |
| 17 | 420939401 | Compression Spring |
| 18 | 420939211 | Compression Spring |
| 20 | 420641052 | Plug Screw M20 X 1.5 |
| 21 | 420956744 | Oil Filter |
| 22 | 420612081 | Oil Filter Cover |
| 25 | 420641104 | Hex Screw M8 X 140.5 |
| 27 | 420857229 | Spacer |
| 28 | 420842610 | Hex. Nut M8 |
| 29 | 420250057 | O-Ring This part replaces 420250055. |
| 30 | 420641048 | Torx Flange Screw M6 X 16 |
| 31 | 420888879 | Oil Radiator |
| 32 | 420256919 | Oil Pressure Switch |
| 33 | 278002895 | Temperature Sensor |
| 34 | 420956944 | Oil Level Tube |
| 36 | 420956933 | Oil Level Gauge |
| 37 | 420660037 | Cover |
| 38 | 420627494 | Thrust Washer |
| 42 | 420665951 | TOPS Switch |