| Item | Part No. | Part Name | Qty | Serial No. |
| 421-40-22110 | WHEEL ASSEMBLY, STEERING | A81001-UP- | ||
| 1 | 421-40-22120 | WHEEL, STEERING | A81001-UP- | |
| 2 | 421-40-22140 | KNOB ASSEMBLY | A81001-UP- | |
| 3 | 421-40-22150 | BUSHING | A81001-UP- | |
| 4 | 421-40-22160 | PIN, SPRING | A81001-UP- | |
| 5 | 421-40-22170 | CONTACT ASSEMBLY | A81001-UP- | |
| 6 | 421-40-22180 | PAD, HORN | A81001-UP- | |
| 7 | 421-40-22210 | LOCK, SPRING | A81001-UP- | |
| 8 | 362-43-15210 | NUT | A81001-UP- | |
| 9 | 362-43-15220 | WASHER | A81001-UP- | |
| 10 | 416-40-A1100 | COLUMN ASSEMBLY, STEERING | A81001-UP- | |
| 11 | 421-40-12430 | BUSHING | A81001-UP- | |
| 12 | 421-40-12440 | NUT | A81001-UP- | |
| 13 | 421-40-12450 | WASHER | A81001-UP- | |
| 14 | 01011-81020 | BOLT | A81001-UP- | |
| 15 | 01643-31032 | WASHER | A81001-UP- | |
| 16 | 01596-01009 | NUT | A81001-UP- | |
| 17 | 421-40-22650 | SHIM | A81001-UP- | |
| 18 | 421-40-22630 | BUSHING | A81001-UP- | |
| 19 | 01010-81025 | BOLT | A81001-UP- | |
| 20 | 01602-21030 | WASHER | A81001-UP- | |
| 21 | 01642-21016 | WASHER | A81001-UP- |