| |$1 | 20E-57-41151 | Seat, Mechanical Suspension | |
| |$2 | 20K-57-31151 | Seat Assembly | |
| |$3 | 20K-57-33410 | Suspension Assembly | |
| 1 | 20K-57-32120 | Screw | |
| 2 | 20K-57-31460 | Washer | |
| 3 | 20K-57-31420 | Nut | |
| 4 | 20K-57-32220 | Cover | |
| 5 | 20K-57-32230 | Suspension | |
| 6 | 20K-57-32240 | Handle | |
| 7 | 20K-57-32250 | Bellows | |
| 8 | 20K-57-32260 | Rivet | |
| 9 | 20K-57-32270 | Plate | |
| 10 | 20K-57-32280 | Belt | |
| 11 | 20K-57-32290 | Bolt | |
| 12 | 20K-57-32310 | Bushing | |
| 13 | 20K-57-32320 | Washer | |
| 14 | 20K-57-32330 | Arm | |
| 15 | 20K-57-32340 | Bolt | |
| 16 | 20K-57-32350 | Roller | |
| 17 | 20K-57-32360 | Plate | |
| 18 | 20K-57-32370 | Spring | |
| 19 | 20K-57-32380 | Plate | |
| 20 | 20K-57-32390 | Bolt | |
| 21 | 20K-57-32410 | Bolt | |
| 22 | 20K-57-32420 | Shock Absorber | |
| 23 | 20K-57-32430 | Washer | |
| 24 | 20K-57-32440 | Fork | |
| 25 | 20K-57-32450 | Rivet | |
| 26 | 20K-57-32460 | Plate | |
| 27 | 20K-57-32470 | Plate | |
| 28 | 20K-57-32480 | Bumper Set | |
| 29 | 20K-57-32490 | Washer | |
| 30 | 20K-57-32510 | Washer Kit | |
| 31 | 20K-57-32520 | Spring | |
| 32 | 20K-57-32530 | Nut | |
| 33 | 20K-57-32540 | Bracket | |
| 34 | 20K-57-32550 | Plug | |
| 35 | 20K-57-32560 | Sleeve | |
| 36 | 20K-57-32570 | Pin | |
| 37 | 20K-57-32580 | Yoke | |
| 38 | 20K-57-32590 | Shaft | |
| 39 | 20K-57-32610 | Guide | |
| 40 | 20K-57-32620 | Roller | |
| 41 | 20K-57-32630 | Tape | |
| 42 | 20K-57-32640 | Spring | |
| 43 | 20K-57-32670 | Bushing | |
| 44 | 20K-57-33390 | Lower Suspension |