| Item | Part No. | Part Name | Qty | Serial No. |
| 707-00-0H551 | Boom Assembly | | 20509-21065 |
| 1 | 707-11-75541 | Cylinder | | 20509-@ |
| 2 | 02896-11009 | O-ring, (Kit : K05) | | 20509-@ |
| 3 | 721-58-45720 | Rod, Piston | | 20509-@ |
| 4 | 707-76-45720 | Bushing | | 20509-@ |
| 5 | 20U-70-42530 | Seal, Dust, (Kit : K05) | | 20509-@ |
| 6 | 07020-00000 | Fitting, Grease | | 20509-@ |
| 7 | 707-76-40710 | Bushing | | 20509-@ |
| 8 | 07145-00040 | Seal, Dust, (Kit : K05) | | 20509-@ |
| 9 | 707-71-60490 | Plunger | | 20509-@ |
| 10 | 707-29-75320 | Head, Cylinder | | 20509-@ |
| 11 | 707-56-45740 | Seal, Dust, (Kit : K05) | | 20509-@ |
| 12 | 07179-12057 | Ring, Snap | | 20509-@ |
| 13 | 707-51-45210 | Packing, Rod, (Kit : K05) | | 20509-@ |
| 14 | 07000-12075 | O-ring, (Kit : K05) | | 20509-@ |
| 15 | 707-35-52760 | Ring, Back-up, (Kit : K05) | | 20509-21065 |
| 16 | 07000-12070 | O-ring, (Kit : K05) | | 20509-@ |
| 17 | 707-35-52740 | Ring, Back-up, (Kit : K05) | | 20509-21065 |
| 18 | 707-36-75370 | Piston | | 20509-@ |
| 19 | 707-44-75180 | Ring, Piston, (Kit : K05) | | 20509-@ |
| 20 | 707-39-75190 | Ring, Wear, (Kit : K05) | | 20509-@ |
| 21 | 707-67-30030 | Nut | | 20509-@ |
