| Item | Part No. | Part Name | Qty | Serial No. |
| G-1 | (\8\21W-63-X2012) | CYLINDER GROUP,BOOM | 1680- | |
| G-1 | (\8\21W-63-X2011) | CYLINDER GROUP,BOOM | 1001-1679 | |
| ==================== | ||||
| 21W-63-02012 | CYLINDER ASS'Y,BOOM | 1680- | ||
| \0\21W-63-02011 | CYLINDER ASS'Y,BOOM | 1001-1679 | ||
| 1 | 21W-63-56141 | CYLINDER | 1001- | |
| 2 | 707-76-70040 | BUSHING | 1001- | |
| 3 | 07145-00070 | SEAL,DUST | 1001- | |
| 4 | 21W-63-56120 | ROD,PISTON | 1001- | |
| 5 | 707-76-70130 | BUSHING | 1001- | |
| 6 | 707-28-11290 | HEAD,CYLINDER | 1001- | |
| 7 | 07179-12084 | RING,SNAP | 1001- | |
| 8 | 144-63-95170 | SEAL,DUST | 1680- | |
| 8 | 07016-20708 | SEAL,DUST | 1001-1679 | |
| 9 | 07177-07030 | BUSHING | 1001- | |
| 10 | 707-51-70211 | PACKING,ROD | 1001- | |
| 11 | 07000-12105 | O-RING | 1001- | |
| 12 | 07146-02106 | RING,BACK-UP | 1001- | |
| 13 | 707-35-91111 | RING,BACK-UP | 1001- | |
| 14 | 01010-81655 | BOLT | 1001- | |
| 15 | 707-36-11360 | PISTON | 1680- | |
| 15 | \0\707-36-11361 | PISTON | 1001-1679 | |
| 16 | 707-44-11180 | RING,PISTON | 1680- | |
| 16 | \0\707-44-11080 | RING,PISTON | 1001-1679 | |
| 17 | 07155-01125 | RING,WEAR | 1001- | |
| 18 | 07165-15252 | NUT | 1001- | |
| 19 | 707-40-11370 | SPACER | 1001- | |
| 20 | 707-71-60731 | PLUNGER | 1680- | |
| 20 | 707-71-60730 | PLUNGER | 1001-1679 | |
| 21 | 07020-00000 | FITTING,GREASE | 1001- | |
| 22 | 21W-63-56171 | TUBE | 1001- | |
| 23 | 21W-63-56181 | TUBE | 1001- | |
| 24 | 01010-50855 | BOLT | 1001- | |
| 25 | 01010-50845 | BOLT | 1001- | |
| 26 | 01602-20823 | WASHER,SPRING | 1001- | |
| 27 | 07000-13030 | O-RING | 1001- | |
| 28 | 707-88-95431 | BRACKET | 1001- | |
| 29 | 707-88-97760 | BAND | 1001- | |
| 30 | 01010-51025 | BOLT | 1001- | |
| 31 | 01643-31032 | WASHER | 1001- | |
| 32 | 01010-51035 | BOLT | 1001- | |
| ==================== |