| Item | Part No. | Part Name | Qty | Serial No. |
| 1 | YM172519-72311 | CYLINDER ASS'Y,GRAY-25 (YM172519-72311-1) | 10001- | |
| 2 | YM172519-72180 | CYLINDER HEAD ASS'Y | 10001- | |
| 4 | YM24550-020200 | BUSHING,DRY | 10001- | |
| 5 | YM172519-72202 | PISTON | 10001- | |
| 6 | YM172519-72690 | CYLINDER TUBE ASS'Y,GRAY-25 (YM172519-72690-1) | 10001- | |
| 8 | YM172519-91180 | BUSHING | 10001- | |
| 9 | YM172519-72700 | CYLINDER ROD ASS'Y,GRAY-25 (YM172519-72700-1) | 10001- | |
| 11 | YM172519-91180 | BUSHING | 10001- | |
| 12 | YM172519-72651 | SEAL SET | 10001- | |
| 19 | YM172156-72400 | U-NUT | 10001- | |
| 20 | YM26013-080162 | BOLT | 10001- | |
| 21 | YM172519-72390 | PIN | 10001- | |
| 22 | YM172519-91230 | PLATE | 10001- | |
| 23 | YM24761-040000 | FITTING,GREASE | 10001- |