| Item | Part No. | Part Name | Qty | Serial No. |
| \0 | 395002007 | ARM CYLINDER, ASSY. | WB98F20001- | |
| 1 | 391706001 | PISTON ROD | WB98F20001- | |
| 2 | 391707001 | CYLINDER HEAD | WB98F20001- | |
| 3 | 3K4087602 | RING | WB98F20001- | |
| 4 | 391708001 | PISTON | WB98F20001- | |
| 5 | 395064013 | CYLINDER | WB98F20001- | |
| 6 | 855051018 | O-RING | WB98F20001- | |
| 7 | 500217005 | BUSHING | WB98F20001- | |
| 8 | 500044300 | SPACER | WB98F20001- | |
| 9 | 500217006 | BUSHING | WB98F20001- | |
| \9 | 878000323 | KIT, GASKET | WB98F20001- | |
| 10 | \6\ | GASKET | WB98F20001- | |
| 11 | \6\ | GASKET | WB98F20001- | |
| 12 | \6\ | GASKET | WB98F20001- | |
| 13 | \6\ | O-RING | WB98F20001- | |
| 14 | \6\ | RING, WEAR | WB98F20001- | |
| 15 | \6\ | O-RING | WB98F20001- | |
| 16 | \6\ | O-RING | WB98F20001- | |
| 17 | \6\ | PACKING ROD | WB98F20001- | |
| 18 | \6\ | GASKET | WB98F20001- |