| Item | Part No. | Part Name | Qty | Serial No. |
| 11Y-30-00010 | IDLER ASS'Y | 50501- | ||
| 1 | 11Y-30-18110 | IDLER | 50501- | |
| 2 | 203-30-54170 | BUSHING | 50501- | |
| 3 | 11Y-30-18120 | SHAFT | 50501- | |
| 4 | 07000-03042 | O-RING | 50501- | |
| 5 | 07052-31217 | PLUG | 50501- | |
| 175-30-00702 | FLOATING SEAL ASS'Y | 50501- | ||
| 6 | \6\ | RING | 50501- | |
| 7 | \6\ | O-RING | 50501- | |
| 8 | 11Y-30-18151 | SUPPORT ASS'Y,L.H. | 50501- | |
| 11Y-30-18161 | SUPPORT ASS'Y,R.H. | 50501- | ||
| 9 | 11Y-30-18170 | PLATE (WELDED) | 50501- | |
| 10 | 11Y-30-18180 | PLATE (WELDED) | 50501- | |
| 11 | 11Y-30-18190 | PLATE (WELDED) | 50501- | |
| 12 | 110-30-12170 | BOLT | 50501- | |
| 13 | 01582-11210 | NUT | 50501- | |
| 14 | 01602-21236 | WASHER | 50501- | |
| 15 | 01640-21223 | WASHER | 50501- | |
| 16 | 113-30-23110 | COVER | 50501- | |
| 17 | 113-30-23120 | SHIM¤ 1.0MM | 50501- | |
| 18 | 01010-81240 | BOLT | 50501- | |
| 19 | 01643-51232 | WASHER | 50501- |