| Item | Part No. | Part Name | Qty | Serial No. |
| 421-57-41110 | SEAT ASS'Y | 85001- | ||
| 1 | 421-57-31510 | CUSHION | 85001- | |
| 2 | 421-57-31520 | CUSHION | 85001- | |
| 3 | 421-57-31541 | ARMREST | 85001- | |
| 4 | 421-57-31550 | LIFTER ASS'Y | 85001- | |
| 4 | 421-57-31620 | COVER ASS'Y | 85001- | |
| 5 | 421-57-31630 | COVER,L.H. | 85001- | |
| 6 | 421-57-31820 | CAP | 85001- | |
| 7 | 421-57-31640 | COVER,R.H. | 85001- | |
| 8 | 421-57-31820 | CAP | 85001- | |
| 8 | 421-57-31650 | KNOB ASS'Y | 85001- | |
| 9 | 421-57-31660 | KNOB,TILT, FRONT | 85001- | |
| 10 | 421-57-31670 | KNOB,TILT, REAR | 85001- | |
| 11 | 421-57-31680 | KNOB,RECLINING | 85001- | |
| 12 | 421-57-31690 | KNOB,SLIDE | 85001- | |
| 13 | 421-57-31740 | SWITCH ASS'Y,LUMBER | 85001- | |
| 14 | 421-57-31750 | SWITCH,AIR SUSPENSION | 85001- | |
| 15 | 421-57-31560 | SUSPENSION ASS'Y | 85001- | |
| 16 | 421-57-31710 | SPRING ASS'Y | 85001- | |
| 17 | 421-57-31720 | COMPRESSOR ASS'Y | 85001- | |
| 18 | 421-57-31730 | DAMPER | 85001- | |
| 421-57-31760 | HARNESS ASS'Y | 85001- | ||
| 19 | 421-57-31770 | HARNESS | 85001- | |
| 20 | 421-57-31780 | HARNESS | 85001- | |
| 21 | 421-57-31790 | HARNESS | 85001- | |
| 22 | 421-57-31810 | RELAY | 85001- | |
| 23 | 421-57-31570 | SUSPENSION COVER | 85001- | |
| 24 | 421-57-31580 | CLIP SET | 85001- | |
| 25 | 421-57-31590 | ADJUSTER,SEAT | 85001- | |
| 26 | 421-57-31610 | HEAD REST | 85001- |