| Item | Part No. | Part Name | Qty | Serial No. |
| (17A-57-23201) | SEAT ASS'Y | 20001- | ||
| 1 | AS183707 | FRAME ASS'Y | 20001- | |
| 2 | AS183705 | COVER | 20001- | |
| 3 | AS183708 | BACK FOAM KIT | 20001- | |
| 4 | AS183706 | COVER | 20001- | |
| 5 | AS183709 | SEAT FOAM KIT | 20001- | |
| 6 | AS183683 | BRACKET | 20001- | |
| 7 | AS183684 | SWIVEL ASS'Y | 20001- | |
| 8 | AS183685 | SUSPENSION ASS'Y | 20001- | |
| 9 | AS193158 | COVER | .- | |
| 9 | \0\AS183686 | COVER | 20001-. | |
| 10 | AS183687 | BEARING LEVER KIT | 20001- | |
| 11 | AS170373 | INDICATOR | 20001- | |
| 12 | AS167566 | DAMPER | 20001- | |
| 13 | AS167544 | STOPPER | 20001- | |
| 14 | AS183688 | ADJUSTER KIT | 20001- | |
| 15 | AS183689 | KNOB | 20001- |