| Item | Part No. | Part Name | Qty | Serial No. |
| 21P-63-03330 | CYLINDER | H55051- | ||
| 1 | 07020-00000 | FITTING | H55051- | |
| 2 | 21K-70-12180 | SEAL | H55051- | |
| 3 | 707-76-70370 | BUSHING | H55051- | |
| 4 | 07145-00070 | SEAL | H55051- | |
| 5 | 707-76-70230 | BUSHING | H55051- | |
| 6 | 01643-51645 | WASHER | H55051- | |
| 7 | 01010-81675 | BOLT | H55051- | |
| 8 | 07179-13089 | CIRCLIP | H55051- | |
| 9 | 144-63-94170 | STRIPPER | H55051- | |
| 10 | 707-27-11920 | HEAD | H55051- | |
| 11 | 707-51-75030 | SEAL | H55051- | |
| 12 | 707-51-75630 | RING, BUFFER | H55051- | |
| 13 | 707-52-90500 | BUSHING | H55051- | |
| 14 | 707-35-91130 | RING | H55051- | |
| 15 | 07000-15100 | O-RING | H55051- | |
| 16 | 21P-63-72740 | CYLINDER | H55051- | |
| 17 | 21P-63-72720 | ROD | H55051- | |
| 18 | 707-35-90360 | RING | H55051- | |
| 19 | 07000-15070 | O-RING | H55051- | |
| 20 | 707-36-11770 | PISTON | H55051- | |
| 21 | 707-44-11180 | RING | H55051- | |
| 22 | 707-39-11110 | RING, WEAR | H55051- | |
| 23 | 707-44-11911 | RING | H55051- | |
| 24 | 01310-01216 | SCREW | H55051- | |
| 25 | 07020-00900 | FITTING | H55051- |
