| Item | Part No. | Part Name | Qty | Serial No. |
| 421-57-31111 | SEAT ASS'Y | 80016- | ||
| 421-57-31110 | SEAT ASS'Y | 80001-80015 | ||
| 1 | 421-57-31510 | CUSHION | 80001- | |
| 2 | 421-57-31520 | CUSHION | 80001- | |
| 3 | 421-57-31530 | ARM REST,R.H. | 80001- | |
| 4 | 421-57-31541 | ARM REST,L.H. | 80001- | |
| 5 | 421-57-31550 | LIFTER | 80001- | |
| 6 | 421-57-31560 | SUSPENSION | 80001- | |
| 7 | 421-57-31570 | SUSPENSION | 80001- | |
| 8 | 421-57-31580 | CLIP | 80001- | |
| 9 | 421-57-31590 | SEAT,SLIDE RAIL | 80001- | |
| 10 | 421-57-31610 | HEAD | 80016- | |
| 11 | 421-57-31120 | BRACKET | 80001- | |
| 12 | 01252-70825 | BOLT | 80001- | |
| 13 | 01643-30823 | WASHER | 80001- | |
| 14 | 01580-10806 | NUT | 80001- | |
| 15 | 421-57-31190 | SHIM | 80011- | |
| 16 | 01010-81230 | BOLT | 80001- | |
| 17 | 01643-31232 | WASHER | 80001- |