| Item | Part No. | Part Name | Qty | Serial No. |
| 120-57-31601 | SEAT ASS'Y | 20001-20142 | ||
| 120-57-31611 | CUSHION ASS'Y | 20001-20142 | ||
| 1 | 120-57-31321 | CUSHION,SEAT | 20001-20142 | |
| 2 | 120-57-31251 | CUSHION,BACK | 20001-@ | |
| 3 | 120-57-12181 | LEVER | 20001-@ | |
| 4 | 120-57-31241 | SPACER | 20001-@ | |
| 5 | 01010-31020 | BOLT | 20001-@ | |
| 6 | 01602-01030 | WASHER,SPRING | 20001-@ | |
| 7 | 01010-31020 | BOLT | 20001-@ | |
| 8 | 01602-01030 | WASHER,SPRING | 20001-@ | |
| 120-57-31331 | SUSPENSION ASS'Y | 20001-20142 | ||
| 9 | 120-57-31441 | LINK | 20001-20142 | |
| 10 | 120-57-31451 | GUIDE | 20001-20142 | |
| 11 | 120-57-31431 | LINK | 20001-20142 | |
| 12 | 120-57-31341 | BASE | 20001-20142 | |
| 13 | 01580-11210 | NUT | 20001-20142 | |
| 14 | 01602-01236 | WASHER,SPRING | 20001-20142 | |
| 15 | 09304-00835 | KNOB | 20001-20142 | |
| 16 | 120-57-31371 | BRACKET | 20001-20142 | |
| 17 | 120-57-31381 | BRACKET | 20001-20142 | |
| 18 | 120-57-31421 | LINK | 20001-20142 | |
| 19 | 203-57-21280 | BUSHING | 20001-20142 | |
| 20 | 120-57-31411 | DAMPER,OIL | 20001-20142 | |
| 21 | 155-57-12150 | ADJUSTER | 20001-20142 | |
| 22 | 01580-11210 | NUT | 20001-@ | |
| 23 | 01602-01236 | WASHER,SPRING | 20001-@ | |
| 24 | 135-57-31191 | REST | 20001-@ | |
| 25 | 01010-30816 | BOLT | 20001-@ | |
| 26 | 01602-00825 | WASHER | 20001-@ | |
| 27 | 01642-00810 | WASHER | 20001-@ | |
| 28 | 135-57-31250 | PLATE | 20001-@ | |
| 29 | 01010-31220 | BOLT | 20001-@ | |
| 30 | 01602-01236 | WASHER | 20001-@ | |
| 31 | 135-57-31172 | COVER | 20001-@ | |
| 32 | 01010-31225 | BOLT | 20001-@ | |
| 33 | 01602-01236 | WASHER | 20001-@ | |
| 34 | 135-57-31210 | COVER | 20001-@ | |
| 35 | 01010-31230 | BOLT | 20001-@ | |
| 36 | 01602-01236 | WASHER | 20001-@ | |
| 37 | 135-57-31220 | LEVER | 20001-@ | |
| 38 | 01010-31020 | BOLT | 20001-@ | |
| 39 | 01602-01030 | WASHER | 20001-@ | |
| 40 | 04050-02015 | PIN | 20001-@ | |
| 41 | 135-57-31230 | ROD | 20001-@ | |
| 42 | 09304-00835 | KNOB | 20001-@ | |
| 43 | 135-57-31240 | PLATE | 20001-@ | |
| 44 | 08037-01003 | GROMMET | 20001-@ | |
| 45 | 09404-00010 | LIFTER | 20001-@ | |
| 46 | 09404-00022 | LOCK | 20001-@ | |
| 47 | 09404-00030 | SPRING | 20001-@ | |
| 48 | 04205-11035 | PIN | 20001-@ | |
| 49 | 04050-03015 | PIN | 20001-@ | |
| 50 | 01010-31020 | BOLT | 20001-@ | |
| 51 | 01602-01030 | WASHER | 20001-@ |