| Item | Part No. | Part Name | Qty | Serial No. |
| 21W-30-00014 | IDLER ASS'Y | 4001- | ||
| 1 | 21W-30-12513 | IDLER | 4001- | |
| 2 | 21W-30-14540 | BUSHING | 4001- | |
| 3 | 201-30-52131 | SUPPORT,OUTER | 4001- | |
| 4 | 201-30-52141 | SUPPORT,INNER | 4001- | |
| 5 | 201-30-52160 | SHAFT | 4001- | |
| 6 | 201-30-52180 | PIN | 4001- | |
| 141-30-00616 | FLOATING SEAL ASS'Y | 4001- | ||
| 7 | \6\ | SEAL | 4001- | |
| 8 | \6\ | O-RING | 4001- | |
| 9 | 07000-03038 | O-RING | 4001- | |
| 10 | 07043-50108 | PLUG | 4001- |