| Item | Part No. | Part Name | Qty | Serial No. |
| 21U-57-11210 | SEAT ASS'Y | 1001- | ||
| 1 | 21U-57-11220 | SEAT | 1001- | |
| 2 | 21U-57-11230 | REST,ARM | 1001- | |
| 3 | 21U-57-11240 | BOLT | 1001- | |
| 4 | 01643-21223 | WASHER | 1001- | |
| 5 | 21U-57-11550 | SLIDE,L.H. | 1001- | |
| 6 | 21U-57-11560 | SLIDE,R.H. | 1001- | |
| 7 | 01435-00816 | BOLT | 1001- | |
| 8 | 01435-00816 | BOLT | 1001- | |
| 9 | 01584-10806 | NUT | 1001- |