| Item | Part No. | Part Name | Qty | Serial No. |
| 22J-943-3802 | Arm Assembly | 21128- | ||
| 22J-943-3801 | Arm Assembly | 20001-21127 | ||
| 1 | Arm | 21128- | ||
| 1 | Arm | 20001-21127 | ||
| 2 | 22K-70-21530 | Bushing | 20261- | |
| 2 | 01573-20208 | Seat, Welded | 20001- | |
| 2 | 01571-01016 | Seat, Welded | 20001- | |
| 3 | 07145-00030 | Seal, Dust | 20001- | |
| 4 | 22K-70-21540 | Seal, Dust | 20001- | |
| 5 | 22J-70-25270 | Pin | 20001- | |
| 6 | 07020-00000 | Fitting, Grease | 20001- | |
| 7 | 04082-00110 | Lock | 20001- | |
| 8 | 20N-70-11280 | Spacer, T=1.0mm | 20001- | |
| 9 | 01010-81020 | Bolt | 20001- | |
| 10 | 01643-31032 | Washer | 20001- | |
| 11 | 22L-973-2331 | Hose | 21128- | |
| 11 | 22L-973-2330 | Hose | 20001-21127 | |
| 12 | 22J-973-2680 | Tube | 20001- | |
| 12 | 02784-10422 | Joint | 20001- | |
| 12 | 02788-00422 | Nut and Sleeve | 20001- | |
| 13 | 02896-11012 | O-ring | 20001- | |
| 14 | 20S-970-7652 | Bracket | 20001- | |
| 15 | 22L-973-1252 | Clamp | 20001- | |
| 16 | 01010-81055 | Bolt | 20001- | |
| 17 | 01643-31032 | Washer | 20001- | |
| 18 | 22N-973-1330 | Nipple | 20001- | |
| 19 | 20D-62-17150 | O-ring | 20001- | |
| 20 | 02896-11012 | O-ring | 20001- | |
| 21 | 22M-973-1810 | Valve Assembly | 20001- | |
| 22 | 22M-973-1850 | Plate | 20001- | |
| 23 | 22L-973-1610 | Plate | 20001- | |
| 24 | 01010-81065 | Bolt | 20001- | |
| 25 | 01643-31032 | Washer | 20001- | |
| 26 | 22M-973-1820 | Elbow | 20001- | |
| 27 | 20D-62-17150 | O-ring | 20001- | |
| 28 | 21U-973-3770 | Plug | 20001- |