| Item | Part No. | Part Name | Qty | Serial No. |
| 1 | YM172151-74611 | VALVE ASS'Y | 10001- | |
| 2 | YM172151-74860 | SHIM | 10001- | |
| 3 | YM172151-74870 | SPRING | 10001- | |
| 4 | YM172151-74880 | RETAINER | 10001- | |
| 5 | YM172151-74890 | SPRING | 10001- | |
| 6 | YM172151-74900 | PISTON | 10001- | |
| 7 | YM172151-74910 | SEAL | 10001- | |
| 8 | YM172164-74610 | COLLAR | 10001- | |
| 9 | YM172151-74930 | BOOT | 10001- | |
| 10 | YM172151-74940 | PLATE | 10001- | |
| 11 | YM172151-74950 | UNION | 10001- | |
| 12 | YM172164-74620 | DISK | 10001- | |
| 13 | YM172164-74630 | NUT | 10001- | |
| 14 | YM172151-74980 | PLATE | 10001- | |
| 15 | YM172164-74650 | PLUG | 10001- | |
| 16 | YM24311-000200 | O-RING | 10001- | |
| 17 | YM24311-000700 | O-RING | 10001- | |
| 18 | YM26116-060202 | BOLT | 10001- | |
| 19 | YM172164-74560 | PLUG | 10001- |