| Item | Part No. | Part Name | Qty | Serial No. |
| 21P-63-K1610 | CYLINDER ASS'Y,BOOM | K20001- | ||
| 1 | 21P-63-K1620 | CYLINDER | K20001- | |
| 2 | 707-76-70040 | BUSHING | K20001- | |
| 3 | 07145-00070 | SEAL,DSUT | K20001- | |
| 4 | 203-63-K2370 | FITTING,GREASE | K20001- | |
| 5 | 21P-63-K1650 | HEAD,CYLINDER | K20001- | |
| 6 | 707-52-90500 | BUSHING | K20001- | |
| 7 | 707-51-75030 | PACKING,ROD | K20001- | |
| 8 | 707-51-75630 | RING,BUFFER | K20001- | |
| 9 | 21P-63-K1670 | O-RING | K20001- | |
| 10 | 21P-63-K1660 | RING,BACK-UP | K20001- | |
| 11 | 144-63-94170 | SEAL,DUST | K20001- | |
| 12 | 203-63-K2090 | RING,SNAP | K20001- | |
| 13 | 203-63-K2120 | BOLT | K20001- | |
| 14 | 21P-63-K1640 | ROD,PISTON | K20001- | |
| 15 | 707-76-70040 | BUSHING | K20001- | |
| 16 | 07145-00070 | SEAL,DUST | K20001- | |
| 17 | 203-63-K2370 | FITTING,GREASE | K20001- | |
| 18 | 21P-63-K1680 | PISTON | K20001- | |
| 19 | 21P-63-K1690 | O-RING | K20001- | |
| 20 | 707-44-11180 | RING,PISTON | K20001- | |
| 21 | 707-39-11110 | RING,WEAR | K20001- | |
| 22 | 707-44-11911 | RING | K20001- | |
| 23 | 203-63-K2050 | SCREW,SET | K20001- | |
| 24 | 21P-63-K1910 | TUBE,L.H. | K20001- | |
| 21P-63-K1880 | TUBE,R.H. | K20001- | ||
| 25 | 07000-13030 | O-RING | K20001- | |
| 26 | 21P-63-K1970 | BOLT | K20001- | |
| 27 | 21P-63-K2110 | BOLT | K20001- | |
| 28 | 203-63-K2220 | WASHER | K20001- | |
| 29 | 21P-63-K1920 | TUBE,L.H. | K20001- | |
| 21P-63-K1890 | TUBE,R.H. | K20001- | ||
| 30 | 07000-13025 | O-RING | K20001- | |
| 31 | 203-63-K2240 | BOLT | K20001- | |
| 32 | 203-63-K2440 | WASHER | K20001- | |
| 33 | 21P-63-K1940 | BRACKET,L.H. | K20001- | |
| 21P-63-K1930 | BRACKET,R.H. | K20001- | ||
| 34 | 21P-63-K1950 | BAND | K20001- | |
| 35 | 203-63-K2450 | BOLT | K20001- | |
| 36 | 203-63-K2330 | RING | K20001- | |
| 37 | 21P-63-K1960 | CLIP | K20001- | |
| 38 | 203-63-K2190 | CLIP | K20001- | |
| 39 | 203-63-K2790 | NUT | K20001- | |
| 40 | 203-63-K2230 | WASHER | K20001- |