| Item | Part No. | Part Name | Qty | Serial No. |
| 1 | 421-57-31412 | SEAT ASS'Y | 80029- | |
| 1 | 421-57-31411 | SEAT ASS'Y | 80001-80028 | |
| 2 | 421-57-31120 | BRACKET | 80001- | |
| 3 | 01252-70825 | BOLT | 80001- | |
| 4 | 01643-30823 | WASHER | 80001- | |
| 5 | 01580-10806 | NUT | 80001- | |
| 6 | 421-57-31190 | SHIM, 0.50MM | 81258- | |
| 6 | 421-57-31190 | SHIM, 0.50MM | 80001-81257 | |
| 7 | 01010-81230 | BOLT | 80001- | |
| 8 | 01643-31232 | WASHER | 80001- |