| Item | Part No. | Part Name | Qty | Serial No. |
| 20N-70-00200 | ARM ASS'Y | 4501- | ||
| 1 | \6\ | ARM | 4501- | |
| 2 | 07143-10303 | BUSHING | 4501- | |
| 3 | 07143-10304 | BUSHING | 4501- | |
| 4 | 07145-00030 | SEAL,DUST | 4501- | |
| 5 | 07145-00035 | SEAL,DUST | 4501- | |
| 6 | 20N-70-11220 | PIN | 4501- | |
| 7 | 20N-70-11230 | PIN | 4501- | |
| 8 | 20N-70-11240 | PIN | 4501- | |
| 9 | 07020-00000 | FITTING,GREASE | 4501- | |
| 10 | 01010-31225 | BOLT | 4501- | |
| 11 | 01643-31232 | WASHER | 4501- | |
| 12 | 20R-70-11270 | SPACER¤ 1.0MM | 4501- |