| Item | Part No. | Part Name | Qty | Serial No. |
| 1 | 418-57-B1220 | Seat Ass'y | B20001- | |
| 2 | 418-57-B1310 | Bracket {R.H.} | B20001- | |
| 3 | 418-57-B1320 | Bracket {L.H.} | B20001- | |
| 4 | 01252-80825 | Bolt | B20001- | |
| 5 | 02030-70725 | Bolt | B20001- | |
| 6 | 01643-51232 | Washer | B20001- | |
| 7 | 01010-81230 | Bolt | B20001- | |
| 8 | 01843-31232 | Washer | B20001- |