| Item | Part No. | Part Name | Qty | Serial No. |
| 17M-22-42100 | VALVE ASS'Y,PREVENT STEEP BRAKE | 20001- | ||
| 1 | \6\ | VALVE BODY | 20001- | |
| 2 | \6\ | SPOOL | 20001- | |
| 3 | \6\ | SPRING | 20001- | |
| 4 | \6\ | VALVE | 20001- | |
| 5 | \6\ | PLUG | 20001- | |
| 6 | \6\ | SOLENOID | 20001- | |
| 7 | \6\ | O-RING | 20001- | |
| 8 | \6\ | O-RING | 20001- | |
| 9 | \6\ | BALL | 20001- | |
| 10 | 07042-80108 | PLUG | 20001- |
