| Item | Part No. | Part Name | Qty | Serial No. |
| G1 | (\8\21U-63-X2131) | CYLINDER GROUP,BUCKET (UU) | | 10001- |
| | ==================== | | |
| 21U-63-02131 | CYLINDER ASS'Y,BUCKET (UU) | | 10001- |
| 1 | 21U-63-76241 | CYLINDER | | 10001- |
| 2 | 21U-63-76220 | ROD | | 10001- |
| 3 | 07144-10304 | BUSHING | | 10001- |
| 4 | 07145-00035 | SEAL,DUST (KIT) | | 10001- |
| 5 | 07020-00675 | FITTING,GREASE | | 10001- |
| 6 | 707-29-65830 | HEAD,CYLINDER | | 10001- |
| 7 | 175-63-75190 | SEAL,DUST (KIT) | | 10001- |
| 8 | 07179-12047 | RING,SNAP | | 10001- |
| 9 | 07177-03525 | BUSHING | | 10001- |
| 10 | 707-51-35210 | PACKING,ROD (KIT) | | 10001- |
| 11 | 07000-02065 | O-RING (KIT) | | 10001- |
| 12 | 07000-12060 | O-RING (KIT) | | 10001- |
| 13 | 707-35-52660 | RING,BACK-UP (KIT) | | 10001- |
| 14 | 707-36-65270 | PISTON | | 10001- |
| 15 | 707-44-65180 | RING,PISTON (KIT) | | 10001- |
| 16 | 707-39-65190 | RING,WEAR (KIT) | | 10001- |
| 17 | 707-40-65270 | RETAINER | | 10001- |
| 18 | 01580-02722 | NUT | | 10001- |
| 19 | 21U-63-76270 | TUBE | | 10001- |
| 20 | 21U-63-76280 | TUBE | | 10001- |
| 21 | 01010-51020 | BOLT | | 10001- |
| 22 | 01643-31032 | WASHER | | 10001- |
| 23 | 07143-10304 | BUSHING | | 10001- |
| | ==================== | | |
| | SERVICE KIT | | |
| KIT | 707-98-12211 | SERVICE KIT,BUCKET CYLINDER | | 10001- |
