| Item | Part No. | Part Name | Qty | Serial No. |
| 20R-57-11201 | SEAT ASS'Y | 1001- | ||
| 1 | 20R-57-21110 | SEAT | 1001- | |
| 2 | 20R-57-21120 | SEAT | 1001- | |
| 3 | 20R-57-21130 | BRACKET | 1001- | |
| 4 | 01010-30612 | BOLT | 1001- | |
| 5 | 01602-00619 | WASHER | 1001- | |
| 6 | 11T-57-11130 | PLATE | 1001- | |
| 7 | 11T-57-11140 | PLATE | 1001- | |
| 8 | 01010-31230 | BOLT | 1001- | |
| 9 | 01643-31232 | WASHER | 1001- | |
| 10 | 11T-57-11111 | BRACKET | 1001- | |
| 11 | 01010-31230 | BOLT | 1001- | |
| 12 | 01643-31232 | WASHER | 1001- | |
| 13 | 20R-57-11170 | PIN | 1001- | |
| 14 | 04052-01038 | PIN | 1001- |