| |$0 | 421-57-21020 | OPERATOR'S SEAT ASSEMBLY | |
| |$1 | 421-57-21510 | SEAT ASSEMBLY | |
| |$2 | BS162663 | UPPER ASSEMBLY | |
| 1 | NSS | BACK COVER KIT | |
| 2 | NSS | BACK FOAM KIT | |
| 3 | NSS | SEAT COVER KIT | |
| 4 | NSS | SEAT FOAM KIT | |
| 5 | BS162032 | KIT, CABLE ADJUSTMENT | |
| 6 | BS162056 | SPRING KIT | |
| 7 | BS163368 | LATCH KIT | |
| 8 | BS164188 | HANDLE KIT | |
| 9 | BS163369 | HEIGHT RISER KIT | |
| 10 | BS157230 | SUSPENSION ASSEMBLY | |
| 11 | BS157228 | DAMPER ASSEMBLY KIT | |
| 12 | BS156737 | WEIGHT ADJUSTER KIT | |
| 13 | BS156717 | STOP KIT | |
| 14 | BS156738 | BEARING KIT | |
| 15 | BS162035 | ADJUSTER KIT | |
| 16 | BS152879 | HANDLE, SLIDERAIL | |
| 17 | BS151185 | HEADREST KIT | |
| 18 | BS165216 | ARMREST KIT, L.H. | |
| 19 | BS166386 | ARMREST KIT, R.H. |
