| Item | Part No. | Part Name | Qty | Serial No. |
| 20T-57-00060 | SEAT ASS'Y | 18001- | ||
| 1 | 20B-57-21241 | CUSHION | 18001- | |
| 2 | 20T-57-23110 | CUSHION,BACK | 18001- | |
| 3 | 155-57-12181 | LEVER | 18001- | |
| 4 | 01010-51025 | BOLT | 18001- | |
| 5 | 01010-51050 | BOLT | 18001- | |
| 6 | 01602-21030 | WASHER,SPRING | 18001- | |
| 7 | 203-57-21330 | SPACER | 18001- | |
| 8 | 01010-51020 | BOLT | 18001- | |
| 9 | 01602-21030 | WASHER,SPRING | 18001- | |
| 10 | 20T-57-23130 | BRACKET | 18001- | |
| 11 | 20T-57-23140 | BRACKET | 18001- | |
| 12 | 20T-57-23120 | CUSHION | 18001- | |
| 13 | 01010-50835 | BOLT | 18001- | |
| 14 | 01602-20825 | WASHER,SPRING | 18001- | |
| 15 | 20T-57-23150 | SUPPORT | 18001- | |
| 16 | 20T-57-23160 | SUPPORT | 18001- | |
| 17 | 01010-51020 | BOLT | 18001- | |
| 18 | 01602-21030 | WASHER,SPRING | 18001- | |
| 19 | 205-57-72590 | SEAL | 18001- | |
| 20 | 175-54-27350 | SPRING | 18001- | |
| 21 | 01010-51220 | BOLT | 18001- | |
| 22 | 01643-31032 | WASHER | 18001- | |
| 23 | 20S-57-12120 | SUSPENSION ASS'Y | 18001- | |
| 24 | 20D-43-13570 | KNOB | 18001- | |
| 25 | 01010-51020 | BOLT | 18001- | |
| 26 | 01602-21030 | WASHER,SPRING | 18001- | |
| 27 | 20T-54-26130 | NUT | 18001- | |
| 28 | 01580-11210 | NUT | 18001- | |
| 29 | 01602-21236 | WASHER,SPRING | 18001- | |
| 30 | 20T-956-1310 | COVER | 18001- | |
| 31 | 01010-51020 | BOLT | 18001- | |
| 32 | 01643-31032 | WASHER | 18001- | |
| 33 | 20N-57-49125 | BELT,SEAT | 18001- | |
| 34 | 20S-57-25150 | BRACKET | 18001- | |
| 35 | 09409-20000 | BELT, TETHER,TETHER | 18001- | |
| 35 | 09409-00001 | BOLT | 18001- | |
| 35 | 09409-00002 | WASHER,SPRING | 18001- | |
| 36 | 01643-31232 | WASHER | 18001- |