| Item | Part No. | Part Name | Qty | Serial No. |
| \0 | 395001011 | BOOM CYLINDER, ASSY. | WB98F20001- | |
| 1 | 500217006 | BUSHING | WB98F20001- | |
| 2 | 391711001 | PISTON ROD | WB98F20001- | |
| 3 | 391709001 | PIN | WB98F20001- | |
| 4 | 805750022 | BALL | WB98F20001- | |
| 5 | 500460754 | CYLINDER HEAD | WB98F20001- | |
| 6 | 391705001 | PISTON | WB98F20001- | |
| 7 | 801476086 | DOWEL | WB98F20001- | |
| 8 | 395081016 | CYLINDER | WB98F20001- | |
| 9 | 855051018 | O-RING | WB98F20001- | |
| 10 | 390022007 | PLUG | WB98F20001- | |
| 11 | 855150037 | GASKET | WB98F20001- | |
| 12 | 804030055 | SPRING | WB98F20001- | |
| 13 | 312305603 | SHUTTER | WB98F20001- | |
| 14 | 500217005 | BUSHING | WB98F20001- | |
| 15 | 500044301 | SPACER | WB98F20001- | |
| \15 | 878000324 | KIT, GASKET | WB98F20001- | |
| 16 | \6\ | GASKET | WB98F20001- | |
| 17 | \6\ | GASKET | WB98F20001- | |
| 18 | \6\ | GASKET | WB98F20001- | |
| 19 | \6\ | O-RING | WB98F20001- | |
| 20 | \6\ | RING, WEAR | WB98F20001- | |
| 21 | \6\ | O-RING | WB98F20001- | |
| 22 | \6\ | O-RING | WB98F20001- | |
| 23 | \6\ | PACKING ROD | WB98F20001- | |
| 24 | \6\ | GASKET | WB98F20001- | |
| 25 | 500022725 | UNION | WB98F20001- | |
| 26 | 860010007 | FITTING | WB98F20001- |