| Item | Part No. | Part Name | Qty | Serial No. |
| 421-57-41111 | Seat Assembly | 56324- | ||
| 421-57-41110 | Seat Assembly | 55479-56323 | ||
| 1 | 421-57-31510 | Cushion | 55479- | |
| 2 | 421-57-31520 | Backrest | 55479- | |
| 3 | 421-57-31541 | Armrest | 55479- | |
| 4 | 421-57-31550 | Lifter Assembly | 55479- | |
| 4 | 421-57-31620 | Cover Assembly | 55479- | |
| 5 | 421-57-31630 | Cover, L.H. | 55479- | |
| 6 | 421-57-31820 | Cap | 55479- | |
| 7 | 421-57-31640 | Cover, R.H. | 55479- | |
| 8 | 421-57-31820 | Cap | 55479- | |
| 8 | 421-57-31650 | Knob Assembly | 55479- | |
| 9 | 421-57-31660 | Knob | 55479- | |
| 10 | 421-57-31670 | Knob | 55479- | |
| 11 | 421-57-31680 | Knob, L.H. | 55479- | |
| 12 | 421-57-31690 | Knob | 55479- | |
| 13 | 421-57-31740 | Switch, Lumber | 55479- | |
| 14 | 421-57-31750 | Switch, Air Suspension | 55479- | |
| 15 | 421-57-31560 | Suspension Assembly | 55479- | |
| 16 | 421-57-31710 | Spring Assembly | 55479- | |
| 17 | 421-57-31720 | Compressor Assembly | 55479- | |
| 18 | 421-57-31730 | Damper | 55479- | |
| 18 | 421-57-31760 | Wiring Harness Assembly | 55479- | |
| 19 | 421-57-31770 | Wiring Harness | 55479- | |
| 20 | 421-57-31780 | Wiring Harness | 55479- | |
| 21 | 421-57-31790 | Wiring Harness | 55479- | |
| 22 | 421-57-31810 | Relay | 55479- | |
| 23 | 421-57-31570 | Cover, suspension | 55479- | |
| 24 | 421-57-31580 | Clip | 55479- | |
| 25 | 421-57-31590 | Adjuster, Seat | 55479- | |
| 26 | 421-57-31610 | Headrest | 55479- | |
| 26 | 421-57-31910 | Pipe Kit | 56324- | |
| 27 | 421-57-31920 | Elbow | 56324- | |
| 28 | 421-57-31930 | Conduit | 56324- | |
| 29 | 421-57-31940 | Tube | 56324- | |
| 30 | 421-57-31950 | Conduit | 56324- | |
| 31 | 421-57-31960 | Tape | 56324- | |
| 32 | 421-57-31970 | Tube | 56324- | |
| 33 | 421-57-31980 | Sleeve | 56324- | |
| 34 | 421-57-31990 | Band | 56324- | |
| 35 | 01252-70820 | Bolt | 55479- | |
| 36 | 425-54-33410 | Bracket | 55479- | |
| 37 | 01010-81230 | Bolt | 55479- | |
| 38 | 01643-31232 | Washer | 55479- | |
| 39 | 421-57-31190 | Shim, T=0.50mm | 55479- |