| Item | Part No. | Part Name | Qty | Serial No. |
| 1 | 425-15-23310 | SHAFT | H20051- | |
| 2 | 425-15-23260 | SPACER | H20051- | |
| 3 | 425-15-23230 | GEAR | H20051- | |
| 4 | 425-15-23470 | SPACER | H20051- | |
| 5 | 421-15-13390 | BEARING | H20051- | |
| 6 | 425-15-23160 | CAGE | H20051- | |
| 7 | 07000-75165 | O-RING | H20051- | |
| 8 | 01010-81235 | BOLT | H20051- | |
| 9 | 01643-31232 | WASHER | H20051- | |
| 10 | 425-15-23460 | COVER | H20051- | |
| 11 | 07000-72135 | O-RING | H20051- | |
| 12 | 425-15-05060 | SHIM KIT | H20051- | |
| 12A | 425-15-23720 | SHIM, T=0.3MM | H20051- | |
| 12B | 425-15-23730 | SHIM, T=0.2MM | H20051- | |
| 12C | 425-15-23740 | SHIM, T=0.15MM | H20051- | |
| 13 | 01010-81235 | BOLT | H20051- | |
| 14 | 01643-31232 | WASHER | H20051- | |
| 15 | 07012-10095 | SEAL, OIL | H20051- | |
| 16 | 425-15-28710 | SEAL, DUST | H20051- | |
| 16A | 425-15-23250 | COUPLING ASSEMBLY | H20051- | |
| 17 | 425-15-23660 | COUPLING | H20051- | |
| 18 | 425-15-23690 | COVER | H20051- | |
| 19 | 07000-75065 | O-RING | H20051- | |
| 20 | 425-15-13320 | HOLDER | H20051- | |
| 21 | 01051-62220 | BOLT | H20051- | |
| 22 | 01643-32260 | WASHER | H20051- | |
| 23 | 425-32-02500 | BRAKE | H20051- |