| Item | Part No. | Part Name | Qty | Serial No. |
| 22J-943-3801 | Arm Assembly | 20070-21500 | ||
| 22J-943-3800 | Arm Assembly | 20001-20069 | ||
| 1 | Arm | 20070-21500 | ||
| 1 | Arm | 20001-20069 | ||
| 2 | 22K-70-21530 | Bushing | 20070-21500 | |
| 2 | 22J-70-25231 | Bushing | 20001-20069 | |
| 2 | 01573-20208 | Seat, Welded | 20001-21500 | |
| 2 | 01571-01016 | Seat, Welded | 20001-21500 | |
| 3 | 07145-00030 | Seal, Dust | 20001-21500 | |
| 4 | 22K-70-21540 | Seal, Dust | 20001-21500 | |
| 5 | 22J-70-25270 | Pin | 20001-21500 | |
| 6 | 07020-00000 | Fitting, Grease | 20001-21500 | |
| 7 | 04082-00110 | Lock | 20001-21500 | |
| 8 | 20N-70-11280 | Spacer, T=1.0mm | 20001-21500 | |
| 9 | 01010-81020 | Bolt | 20001-21500 | |
| 10 | 01643-31032 | Washer | 20001-21500 | |
| 11 | 21U-70-31390 | Cap | 20001-21500 |