| Item | Part No. | Part Name | Qty | Serial No. |
| 17M-22-42100 | VALVE ASS'Y,PREVENT STEEP BRAKE | 20001- | ||
| 1 | 195-22-72161 | BODY,VALVE | 20001- | |
| 2 | 17M-22-47320 | SPOOL | 20001- | |
| 3 | 714-23-15570 | SPRING | 20001- | |
| 4 | 714-23-15551 | VALVE | 20001- | |
| 5 | 714-23-15650 | PLUG | 20001- | |
| 6 | 714-23-15520 | SOLENOID | 20001- | |
| 7 | 714-23-15560 | O-RING | 20001- | |
| 8 | 07002-22034 | O-RING | 20001- | |
| 9 | 714-23-15530 | BALL | 20001- | |
| 10 | 07042-80108 | PLUG | 20001- |