| Item | Part No. | Part Name | Qty | Serial No. |
| 21M-30-00301 | FRONT IDLER ASS'Y | K30001- | ||
| 1 | 21M-30-17100 | IDLER | K30001- | |
| 2 | 21M-30-17110 | BUSHING | K30001- | |
| 3 | 21M-30-17121 | SHAFT | K30001- | |
| 4 | 209-30-63150 | PLUG | K30001- | |
| 5 | 07000-05100 | O-RING | K30001- | |
| 21T-30-00110 | FLOATING SEAL ASS'Y | K30001- | ||
| 6 | 175-27-00131 | SEAL RING ASS'Y | K30001- | |
| \6\ | RING | K30001- | ||
| 7 | 21T-30-00120 | O-RING ASS'Y | K30001- | |
| \6\ | O-RING | K30001- | ||
| 8 | 21M-30-17130 | SUPPORT | K30001- | |
| 9 | 21M-30-17170 | PIN | K30001- |