| Item | Part No. | Part Name | Qty | Serial No. |
| G-1 | (\8\21W-63-X2161) | CYLINDER GROUP,BOOM | 1001- | |
| ==================== | ||||
| 21W-63-02161 | CYLINDER ASS'Y,BOOM | 1001- | ||
| 1 | 21W-63-86241 | CYLINDER | 1001- | |
| 2 | 07144-10506 | BUSHING | 1001- | |
| 3 | 07145-00055 | SEAL,DUST (KIT) | 1001- | |
| 4 | 07020-00675 | FITTING,GREASE | 1001- | |
| 5 | 707-29-11730 | HEAD,CYLINDER | 1001- | |
| 6 | 07177-05530 | BUSHING | 1001- | |
| 7 | 707-51-55211 | PACKING,ROD (KIT) | 1001- | |
| 8 | 707-56-55510 | SEAL,DUST (KIT) | 1001- | |
| 9 | 07179-12069 | RING,SNAP | 1001- | |
| 10 | 07000-12105 | O-RING (KIT) | 1001- | |
| 11 | 07146-02106 | RING,BACK-UP (KIT) | 1001- | |
| 12 | 07000-02110 | O-RING (KIT) | 1001- | |
| 13 | 21W-63-86220 | ROD,PISTON | 1001- | |
| 14 | 07144-10506 | BUSHING | 1001- | |
| 15 | 07145-00055 | SEAL,DUST (KIT) | 1001- | |
| 16 | 07020-00675 | FITTING,GREASE | 1001- | |
| 17 | 707-36-11100 | PISTON | 1001- | |
| 18 | 707-44-11180 | RING,PISTON (KIT) | 1001- | |
| 19 | 07156-01112 | RING,WEAR (KIT) | 1001- | |
| 20 | 01580-03629 | NUT | 1001- | |
| 21 | 21W-63-86281 | TUBE | 1001- | |
| 22 | 01010-51020 | BOLT | 1001- | |
| 23 | 01643-31032 | WASHER | 1001- | |
| ==================== | ||||
| SERVICE KIT | ||||
| K | 707-98-34560 | SERVICE KIT | 1001- | |
| 07145-00055 | SEAL,DUST | 1001- | ||
| 707-51-55211 | PACKING,ROD | 1001- | ||
| 707-56-55510 | SEAL,DUST | 1001- | ||
| 07000-12105 | O-RING | 1001- | ||
| 07146-02106 | RING,BACK-UP | 1001- | ||
| 07000-02110 | O-RING | 1001- | ||
| 07145-00055 | SEAL,DUST | 1001- | ||
| 707-44-11180 | RING,PISTON | 1001- | ||
| 07156-01112 | RING,WEAR | 1001- |