| Item | Part No. | Part Name | Qty | Serial No. |
| 21K-63-66501 | CYLINDER ASS'Y \,ARM | 4370- | ||
| 21K-63-66500 | CYLINDER ASS'Y \,ARM | 3001-4369 | ||
| 1 | 21K-63-66540 | CYLINDER | 3001- | |
| 2 | 707-76-80010 | BUSHING | 3001- | |
| 3 | 07145-00080 | SEAL,DUST | 3001- | |
| 4 | 707-28-12370 | HEAD,CYLINDER | 3001- | |
| 5 | 07177-08030 | BUSHING | 3001- | |
| 6 | 707-51-80211 | PACKING,ROD | 3001- | |
| 7 | 195-63-92190 | SEAL,DUST | 3001- | |
| 8 | 07179-00103 | RING,SNAP | 3001- | |
| 9 | 07000-12115 | O-RING | 3001- | |
| 10 | 07146-02116 | RING,BACK-UP | 3001- | |
| 10A | 707-35-91210 | RING,BACK-UP | 4370- | |
| 10A | 07146-02116 | RING,BACK-UP | 3001-4369 | |
| 11 | 01010-81655 | BOLT | 3001- | |
| 12 | 21K-63-66521 | ROD | 4370- | |
| 12 | 21K-63-66520 | ROD | 3001-4369 | |
| 13 | 707-76-80010 | BUSHING | 3001- | |
| 14 | 07145-00080 | SEAL,DUST | 3001- | |
| 15 | 07020-00675 | FITTING,GREASE | 3001- | |
| 16 | 707-71-50890 | PLUNGER | 3001- | |
| 17 | 707-36-12361 | PISTON | 4370- | |
| 17 | 707-36-12360 | PISTON | 3001-4369 | |
| 18 | 707-44-12080 | RING,PISTON | 3001- | |
| 19 | 07155-01230 | RING,WEAR | 3001- | |
| 20 | 707-68-10580 | NUT | 3001- | |
| 21 | 707-71-91240 | SCREW | 4370- | |
| 21 | 707-71-91250 | SCREW | 3001-4369 | |
| 22 | 04260-00635 | BALL | 3001- | |
| 23 | 707-71-50231 | PLUNGER | 4370- | |
| 23 | 707-71-50220 | PLUNGER | 3001-4369 | |
| 24 | 21K-63-66570 | TUBE | 3001- | |
| 25 | 07000-13030 | O-RING | 3001- | |
| 26 | 01010-50845 | BOLT | 3001- | |
| 27 | 01010-50855 | BOLT | 3001- | |
| 28 | 01602-20825 | WASHER,SPRING | 3001- | |
| 29 | 707-88-99280 | BAND | 3001- | |
| 30 | 707-88-99250 | BAND | 3001- | |
| 31 | 707-88-99240 | BAND | 3001- | |
| 32 | 707-88-99290 | BAND | 3001- | |
| 33 | 01010-51035 | BOLT | 3001- | |
| 34 | 01602-21030 | WASHER,SPRING | 3001- | |
| 35 | 07283-22738 | CLIP | 3001- | |
| 36 | 01599-01011 | NUT | 3001- | |
| 37 | 01643-31032 | WASHER | 3001- |