| Item | Part No. | Part Name | Qty | Serial No. |
| 20Y-57-A1610 | SEAT ASSEMBLY, OPERATOR'S | | |
| 1 | 206-57-A1630 | UPPER SEAT ASSEMBLY | | |
| 2 | 206-57-A1640 | BACK COVER KIT | | |
| 3 | 206-57-A1430 | BACK FOAM KIT | | |
| 4 | 206-57-A1650 | SEAT COVER KIT | | |
| 5 | 206-57-A1450 | SEAT FOAM KIT | | |
| 6 | 206-57-A1460 | FRAME KIT | | |
| 7 | 206-57-A1470 | CABLE ADJUSTMENT KIT | | |
| 8 | 206-57-A1480 | HEIGHT RISER SPRING KIT | | |
| 9 | 206-57-A1490 | HEIGHT RISER LATCH KIT | | |
| 10 | 206-57-A1510 | DAMPER ASSEMBLY KIT | | |
| 11 | 206-57-A1520 | SUSPENSION ASSEMBLY | | |
| 12 | 206-57-A1660 | FORWARD AND BACKWARD ADJUSTMENT KIT | | |
| 13 | 206-57-A1540 | WEIGHT ADJUSTMENT KIT | | |
| 14 | 206-57-A1550 | UP STOP / BUMP STOP KIT | | |
| 15 | 206-57-A1560 | HANDLE KIT, YELLOW | | |
| 16 | 206-57-A1570 | HEIGHT RISER KIT | | |
| 17 | 206-57-A1580 | SUSPENSION COVER KIT | | |
| 18 | 206-57-A1590 | SLIDE RAIL HANDLE | | |
| 19 | 206-57-A1610 | BEARING KIT | | |
| 20 | 206-57-A1670 | HEADREST KIT | | |
| 21 | 206-57-A1680 | ARMREST ASSEMBLY, RIGHT HAND | | |
| 22 | 206-57-A1690 | ARMREST ASSEMBLY, LEFT HAND | | |
