| Item | Part No. | Part Name | Qty | Serial No. |
| 1 | YM705100-01501 | HOUSING ASS'Y | 2991- | |
| YM705100-01500 | HOUSING ASS'Y | 2501-2990 | ||
| 2 | YM24190-120001 | BALL | 2501- | |
| 3 | YM105300-34040 | SPRING | 2501- | |
| 4 | YM22252-000100 | CLIP | 2501- | |
| 5 | YM22351-060012 | PIN,SPRING | 2501- | |
| 6 | YM105100-01660 | PLUG | 2501- | |
| 7 | YM24311-000060 | O-RING | 2501- | |
| 8 | YM105100-01410 | GASKET | 2501- | |
| 9 | YM26106-060302 | BOLT | 2501- | |
| 10 | YM26106-060702 | BOLT | 2501- | |
| 11 | YM105190-01750 | CAP | 2501- | |
| 12 | YM101104-01760 | GASKET | 2501- | |
| 13 | YM105300-01690 | PLUG,DRAIN | 2501- | |
| 14 | YM24321-000250 | O-RING | 2501- | |
| 15 | YM104271-01950 | SHIM ASS'Y | 2501- | |
| YM105300-01920 | SHIM¤ 0.1MM,(SERVICE PARTS) | 2501- | ||
| 16 | YM26216-080222 | STUD | 2501- | |
| 17 | YM26366-080002 | NUT | 2501- |