| Item | Part No. | Part Name | Qty | Serial No. |
| 1 | 20S-30-23160 | CYLINDER | 18001- | |
| 2 | 01010-51270 | BOLT | 18001- | |
| 3 | 01602-21236 | WASHER,SPRING | 18001- | |
| 4 | 07959-20001 | VALVE | 24001- | |
| 4 | 07959-20000 | VALVE | 18001-24000 | |
| 5 | 20R-30-21530 | PLATE | 18001- | |
| 6 | 01010-50816 | BOLT | 18001- | |
| 7 | 01602-20825 | WASHER,SPRING | 18001- | |
| 8 | 20S-30-23170 | ROD | 18001- | |
| 9 | 07016-00407 | SEAL,DUST | 18001- | |
| 10 | 201-30-24170 | SPACER | 18001- | |
| 11 | 04065-05220 | RING,SNAP | 18001- | |
| 12 | 07000-13040 | O-RING | 18001- | |
| 13 | 20R-30-21550 | RING,BACK-UP | 18001- | |
| 14 | 20R-30-21140 | PLATE | 18001- | |
| 15 | 20R-30-21150 | SPRING | 18001- | |
| 16 | 20R-30-21160 | ROD | 18001- | |
| 17 | 01590-12226 | NUT | 18001- | |
| 18 | 04050-15040 | PIN,COTTER | 18001- |