| Item | Part No. | Part Name | Qty | Serial No. |
| (421-57-H1230) | SEAT ASSEMBLY, HIGH END | H50880- | ||
| 1 | 421-57-H0R47 | BACK REST ASSEMBLY | H50880- | |
| 2 | 421-57-H0R34 | BACK REST COVERING | H50880- | |
| 3 | 421-57-H0R07 | HEAD REST | H50880- | |
| 4 | 421-57-H0R08 | AIR CUSHION | H50880- | |
| 5 | 421-57-H0R48 | FAN, BACK REST | H50880- | |
| 6 | 421-57-H0R09 | BELT, LAP | H50880- | |
| 7 | 421-57-H0R10 | BELT, TETHER | H50880- | |
| 8 | 421-57-H0R11 | SCREW | H50880- | |
| 9 | 421-57-H0R12 | SEAT CUSHION SLIDE | H50880- | |
| 10 | 421-57-H0R36 | SIDE COVER | H50880- | |
| 11 | 421-57-H0R37 | LATCH BACKREST | H50880- | |
| 12 | 421-57-H0R38 | HANDLE | H50880- | |
| 13 | 421-57-H0R49 | COVER | H50880- | |
| 14 | 421-57-H0R50 | ISOLATOR, LOCKING DEVICE | H50880- | |
| 15 | 421-57-H0R51 | SWITCH, AIR SUSPENSION + HEATER | H50880- | |
| 16 | 421-57-H0R52 | PRESSURE VALVE | H50880- | |
| 17 | 421-57-H0R41 | ADJUSTER, SHOCK ABSORBER | H50880- | |
| 18 | 421-57-H0R19 | TILT LEVER | H50880- | |
| 19 | 421-57-H0R53 | ADJUSTER, HEIGHT | H50880- | |
| 20 | 421-57-H0R21 | COVER, FRONT | H50880- | |
| 21 | 421-57-H0R22 | COVER, REAR | H50880- | |
| 22 | 421-57-H0R23 | SHOCK ABSORBER | H50880- | |
| 23 | 421-57-H0R24 | AIR SPRING ASSEMBLY | H50880- | |
| 24 | 421-57-H0R43 | COMPRESSOR | H50880- | |
| 25 | 421-57-H0R54 | POTENTIOMETER | H50880- | |
| 26 | 421-57-H0R55 | CONTROL UNIT | H50880- | |
| 27 | 421-57-H0R26 | BELLOWS | H50880- | |
| 28 | 421-57-H0R27 | RIVET | H50880- | |
| 29 | 421-57-H0R44 | SEAT SLIDE | H50880- | |
| 30 | 421-57-H0R45 | LEVER | H50880- | |
| 31 | 421-57-H0R56 | SOLENOID VALVE | H50880- | |
| 32 | 421-57-H0R57 | SEAT CUSHION | H50880- | |
| 33 | 421-57-H0R31 | SEAT COVERING | H50880- | |
| 34 | 421-57-H0R32 | HANDLE | H50880- | |
| 35 | 421-57-H0R58 | FAN, SEAT CUSHION | H50880- | |
| 36 | 421-57-H0R46 | ARM REST LHS | H50880- |
