| Item | Part No. | Part Name | Qty | Serial No. |
| 12Y-57-31100 | Seat Assembly | 32001- | ||
| 12Y-57-21502 | Seat Assembly | 31971-32000 | ||
| 12Y-57-21501 | Seat Assembly | 30001-31970 | ||
| 1 | GJ1244196 | Cushion | 30001- | |
| 1 | GJ1135136 | Small Parts, Cushion | 30001- | |
| 2 | GJ1244197 | Cushion | 30001- | |
| 2 | GJ1135136 | Small Parts, Cushion | 30001- | |
| 3 | GJ136951 | Guide | 30001- | |
| 4 | GJ1134012 | Lumbar Kit | 30001- | |
| 4 | GJ1134014 | Small Parts, Lumbar Kit | 30001- | |
| 5 | GJ1133692 | Valve | 30001- | |
| 6 | GJ1128440 | Frame | 30001- | |
| 7 | GJ1091108 | Actuator | 30001- | |
| 8 | GJ140694 | Handle | 30001- | |
| 8 | GJ1173324 | Small Parts, Actuator | 30001- | |
| 9 | GJ1091191 | Stopper | 30001- | |
| 10 | GJ1091214 | Guide Kit | 30001- | |
| 11 | GJ1128442 | Frame | 30001- | |
| 12 | GJ1091158 | Bearing | 30001- | |
| 13 | GJ1091397 | Adjuster | 30001- | |
| 14 | GJ1091389 | Actuator | 30001- | |
| 15 | GJ139257 | Bracket | 30001- | |
| 15 | GJ1136790 | Small Parts, Adjuster | 30001- | |
| 16 | GJ1091503 | Adjuster | 30001- | |
| 17 | GJ139246 | Lever | 30001- | |
| 17 | GJ1137273 | Small Parts, Lever | 30001- | |
| 18 | GJ1091428 | Bracket | 30001- | |
| 19 | GJ139254 | Bracket | 30001- | |
| 20 | GJ139521 | Cover | 30001- | |
| 21 | GJ1233212 | Adjuster | 30001- | |
| 22 | GJ1236972 | Mounting Parts | 30001- | |
| 23 | GJ1159689 | Wiring Harness | 30001- | |
| 24 | GJ1088782 | Cover | 30001- | |
| 25 | GJ1088780 | Cover | 30001- | |
| 26 | GJ1173463 | Switch, Heater | 30001- | |
| 27 | GJ1133756 | Compressor | 30001- | |
| 27 | GJ1133844 | Small Parts, Compressor | 30001- | |
| 28 | GJ2049432 | Literature Box | 31971- | |
| 28 | GJ1019329 | 30001-31970 |