| Item | Part No. | Part Name | Qty | Serial No. |
| 20T-63-66103 | CYLINDER ASS'Y | 4501- | ||
| 1 | 20T-63-66142 | CYLINDER | 4501- | |
| 2 | 07143-10505 | BUSHING | 4501- | |
| 3 | 07145-00050 | SEAL,DUST | 4501- | |
| 4 | 20T-63-66120 | ROD,PISTON | 4501- | |
| 5 | 707-29-10020 | HEAD,CYLINDER | 4501- | |
| 6 | 07177-05530 | BUSHING | 4501- | |
| 7 | 707-51-55110 | PACKING,ROD | 4501- | |
| 8 | 707-57-55010 | RETAINER | 4501- | |
| 9 | 04065-07525 | RING,SNAP | 4501- | |
| 10 | 707-56-55510 | SEAL,DUST | 4501- | |
| 11 | 07179-00077 | RING,SNAP | 4501- | |
| 12 | 07000-12105 | O-RING | 4501- | |
| 13 | 101-63-81230 | RING,BACK-UP | 4501- | |
| 14 | 707-40-10410 | RETAINER | 4501- | |
| 15 | 12R-63-32170 | PISTON | 4501- | |
| 16 | 07155-01025 | RING,WEAR | 4501- | |
| 17 | 707-42-10012 | PACKING,PISTON | 4501- | |
| 18 | 07165-13638 | NUT,NYLON | 4501- | |
| 19 | 20T-63-66180 | TUBE | 4501- | |
| 20 | 07235-10315 | ELBOW | 4501- | |
| 21 | 07002-12034 | O-RING | 4501- | |
| 22 | 20T-63-13670 | PLATE | 4501- | |
| 23 | 01010-31030 | BOLT | 4501- | |
| 24 | 01602-01030 | WASHER,SPRING | 4501- | |
| 25 | 07283-21529 | CLIP | 4501- | |
| 26 | 01598-00809 | NUT | 4501- | |
| 27 | 01643-30823 | WASHER | 4501- |