| Item | Part No. | Part Name | Qty | Serial No. |
| 20M-30-31100 | IDLER ASS'Y | 2501- | ||
| 1 | 20M-30-31110 | IDLER | 2501- | |
| 2 | 20M-30-31130 | BUSHING | 2501- | |
| 3 | 20M-30-11140 | COLLAR | 2501- | |
| 110-30-00045 | FLOATING SEAL ASS'Y | 2501- | ||
| 4 | 101-30-00130 | SEAL RING ASS'Y | 2501- | |
| 4 | \6\ | RING | 2501- | |
| 5 | 101-30-00140 | O-RING ASS'Y | 2501- | |
| 5 | \6\ | O-RING | 2501- | |
| 6 | 20M-30-11150 | SUPPORT | 2501- | |
| 7 | 20M-30-31121 | SHAFT | 2501- | |
| 8 | 07000-02021 | O-RING | 2501- | |
| 9 | 01090-50840 | BOLT | 2501- | |
| 10 | 01602-20825 | WASHER | 2501- |