| Ref | Part Number | Description |
|---|---|---|
| 20 | 420641 | Plane gasket This part replaces 417378. Price: $2.24 |
| 21 | 1543360 | Gasket This part replaces 417381. Price: $4.66 |
| 27 | 20784537 | Gasket This part replaces 417382. Price: $5.57 |
| 30 | 955524 | Hexagon screw Price: $0.57 |
| 31 | 941907 | Spring washer Price: $0.21 |
| 32 | 955984 | O-ring Price: $0.91 |