| Item | Part No. | Part Name | Qty | Serial No. |
| \0 | 21D-30-13003 | TRACK ROLLER, ASSY. | 21D5220001- | |
| 1 | 21D-09-69130 | O-RING | 21D5220001- | |
| 2 | 21D-30-13111 | SHAFT | 21D5220001- | |
| 3 | 21D-09-84140 | SPRING PIN | 21D5220001- | |
| 4 | 22E-30-11570 | SUPPORT | 21D5220001- | |
| 5 | 21D-30-13160 | GASKET, ASSY. | 21D5220001- | |
| 6 | 21D-30-13140 | BUSHING | 21D5220001- | |
| 7 | 21D-30-13151 | ROLLER | 21D5220001- | |
| 8 | 22E-30-11751 | PLUG | 21D5220001- | |
| 9 | 21D-30-11120 | PLATE | 21D5220001- | |
| 10 | 01010-51270 | BOLT | 21D5220001- | |
| 11 | 21D-09-74500 | SPRING WASHER | 21D5220001- |