| Item | Part No. | Part Name | Qty | Serial No. |
| 458-318 | PILOT VALVE | 4001- | ||
| 1 | BODY,VALVE | 4001- | ||
| 2 | VALVE | 4001- | ||
| 3 | 457-425 | SHIM¤ 0.30MM | 4001- | |
| 4 | 453-748 | SPRING | 4001- | |
| 5 | 450-905 | RETAINER | 4001- | |
| 6 | 453-749 | SPRING | 4001- | |
| 7 | 454-342 | PISTON | 4001- | |
| 8 | 456-090 | SEAL | 4001- | |
| 9 | 451-554 | COLLAR | 4001- | |
| 10 | 453-585 | O-RING | 4001- | |
| 11 | LEVER | 4001- | ||
| 12 | PLATE | 4001- | ||
| 13 | SHAFT | 4001- | ||
| 14 | 450-279 | BOOT | 4001- | |
| 15 | 456-582 | BOLT | 4001- | |
| 16 | 454-698 | PLATE | 4001- | |
| 17 | 454-697 | PLATE | 4001- | |
| 18 | 457-429 | SHIM¤ 0.20MM | 4001- | |
| 19 | 450-822 | FILTER | 4001- |