| Item | Part No. | Part Name | Qty | Serial No. |
| 20R-63-86300 | CYLINDER ASS'Y,SWING | 4501- | ||
| 1 | 20R-63-86141 | CYLINDER | 4501- | |
| 2 | 07143-10303 | BUSHING | 4501- | |
| 3 | 07145-00030 | SEAL,DUST | 4501- | |
| 4 | 20R-63-86120 | ROD,PISTON | 4501- | |
| 5 | 707-29-60010 | HEAD,CYLINDER | 4501- | |
| 6 | 07177-03025 | BUSHING | 4301- | |
| 7 | 707-51-30110 | PACKING,ROD | 4501- | |
| 8 | 707-57-30010 | RETAINER | 4501- | |
| 9 | 04065-04718 | RING,SNAP | 4501- | |
| 10 | 07000-12065 | O-RING | 4501- | |
| 11 | 07001-02065 | RING,BACK-UP | 4501- | |
| 12 | 707-56-30510 | SEAL,DUST | 4501- | |
| 13 | 07179-00049 | RING,SNAP | 4501- | |
| 14 | 707-45-60010 | RING | 4501- | |
| 15 | 102-61-17331 | PISTON | 4501- | |
| 16 | 102-63-32380 | RETAINER | 4501- | |
| 17 | 07155-00615 | RING,WEAR | 4501- | |
| 18 | 707-42-60012 | PACKING,PISTON | 4501- | |
| 19 | 102-63-32390 | RETAINER | 4501- | |
| 20 | 07165-12222 | NUT,NYLON | 4501- | |
| 21 | 07235-10315 | ELBOW | 4501- | |
| 22 | 07002-12034 | O-RING | 4501- | |
| 23 | 20N-62-22120 | TUBE | 4501- | |
| 24 | 20N-62-22110 | TUBE | 4501- | |
| 25 | 20N-62-22130 | PLATE | 4501- | |
| 26 | 07283-21529 | CLIP | 4501- | |
| 27 | 01598-00809 | NUT | 4501- | |
| 28 | 01643-30823 | WASHER | 4501- |