| Item | Part No. | Part Name | Qty | Serial No. |
| 1 | YM172187-74600 | VALVE ASS'Y | 20001- | |
| 2 | YM172151-74860 | SHIM | 20001- | |
| 3 | YM172187-74610 | SPRING | 20001- | |
| 5 | YM172151-74890 | SPRING | 20001- | |
| 7 | YM172151-74910 | SEAL | 20001- | |
| 9 | YM172151-74930 | BOOT | 20001- | |
| 11 | YM172151-74950 | UNION | 20001- | |
| 12 | YM172164-74620 | DISK | 20001- | |
| 13 | YM172164-74630 | NUT | 20001- | |
| 16 | YM24311-000200 | O-RING | 20001- | |
| 17 | YM24321-000700 | O-RING | 20001- | |
| 18 | YM26116-060202 | BOLT | 20001- |