| Item | Part No. | Part Name | Qty | Serial No. |
| 1 | 56B-54-19243 | Step, Middle | 2633- | |
| 2 | 01435-01225 | Bolt | 2633- | |
| 2 | 56B-54-19237 | Step, Lower | 2633- | |
| 3 | 56B-54-19352 | Rubber | 2633- | |
| 4 | 56B-54-19361 | Plate | 2633- | |
| 5 | 56B-54-19372 | Step | 2633- | |
| 6 | 56B-54-19381 | Bracket | 2633- | |
| 7 | 56B-54-19390 | Rubber | 2633- | |
| 8 | 416-904-1370 | Spacer | 2633- | |
| 9 | 01010-80840 | Bolt | 2633- | |
| 10 | 01010-81290 | Bolt | 2633- | |
| 11 | 01596-01211 | Nut | 2633- | |
| 12 | 01643-30823 | Washer | 2633- | |
| 13 | 01643-31232 | Washer | 2633- | |
| 14 | 56B-54-19331 | Bracket | 2633- | |
| 15 | 01010-80840 | Bolt | 2633- | |
| 16 | 01643-30823 | Washer | 2633- | |
| 17 | 416-904-1370 | Spacer | 2633- |