| Item | Part No. | Part Name | Qty | Serial No. |
| 20P-63-02240 | CYLINDER ASS'Y | 12001- | ||
| 1 | 20N-63-87141 | CYLINDER | 12001- | |
| 2 | 07143-10404 | BUSHING | 12001- | |
| 3 | 07145-00040 | SEAL,DUST (K20) | 12001- | |
| 4 | 707-29-80310 | HEAD,CYLINDER | 12001- | |
| 5 | 707-51-40210 | PACKING,ROD (K20) | 12001- | |
| 6 | 198-63-75190 | SEAL,DUST (K20) | 12001- | |
| 7 | 07179-12052 | RING,SNAP | 12001- | |
| 8 | 07000-12075 | O-RING (K20) | 12001- | |
| 9 | 07146-02076 | RING,BACK-UP (K20) | 12001- | |
| 10 | 07000-02080 | O-RING (K20) | 12001- | |
| 11 | 20N-63-87121 | ROD,PISTON | 12001- | |
| 12 | 07144-10404 | BUSHING | 12001- | |
| 13 | 07145-00040 | SEAL,DUST (K20) | 12001- | |
| 14 | 07020-00675 | FITTING,GREASE | 12001- | |
| 15 | 707-36-80230 | PISTON | 12001- | |
| 16 | 707-44-80180 | RING,PISTON (K20) | 12001- | |
| 17 | 07156-00810 | RING,WEAR (K20) | 12001- | |
| 18 | 01580-03024 | NUT | 12001- |