| Item | Part No. | Part Name | Qty | Serial No. |
| 42C-12-11004 | DAMPER ASS'Y | 50092-50105 | ||
| \0\42C-12-11003 | DAMPER ASS'Y | 50080-50091 | ||
| 1 | 42C-12-11620 | SHAFT | 50098-50105 | |
| 1 | 42C-12-11122 | SHAFT | 50037-50097 | |
| 2 | 01010-61655 | BOLT | 50037-50105 | |
| 3 | 01643-31645 | WASHER | 50037-50105 | |
| 4 | 42C-12-11640 | BEARING | 50093-50105 | |
| 4 | \0\06040-06224 | BEARING | 50037-50092 | |
| 5 | 42C-12-11210 | SPACER | 50037-50105 | |
| 6 | 42C-12-11360 | SEAL | 50046-50105 | |
| 7 | 42C-12-11370 | SEAL | 50046-50105 | |
| 8 | 130-09-15550 | RING | 50037-50105 | |
| 9 | 01010-61240 | BOLT | 50037-50105 | |
| 10 | 01643-31232 | WASHER | 50037-50105 | |
| 11 | 07030-01030 | BREATHER | 50037-50105 | |
| 12 | 07020-00000 | FITTING | 50078-50105 | |
| 13 | 07030-00252 | BREATHER | 50037-50105 | |
| 14 | 04070-00120 | RING | 50037-50105 | |
| 15 | 42C-12-11114 | COVER | 50078-50105 | |
| 16 | 07040-12412 | PLUG | 50090-50105 | |
| 16 | 07040-12412 | PLUG | 50078-50089 | |
| 17 | 07002-12434 | O-RING | 50090-50105 | |
| 17 | 07002-12434 | O-RING | 50078-50089 | |
| 18 | 07326-00201 | ADAPTER | 50078-50105 | |
| 19 | 07020-00900 | FITTING | 50078-50105 | |
| 20 | 09617-03047 | PLATE | 50089-50105 | |
| 21 | 04418-13060 | SCREW | 50089-50105 | |
| SERVICE PARTS | ||||
| 22 | 42C-12-11950 | PLATE | 50090-50105 | |
| 23 | 427-12-21870 | GREASE | 50090-50105 | |
| 24 | 42C-12-11911 | GAUGE | 50090-50105 | |
| 25 | 07950-10450 | PUMP | 50090-50105 | |
| 26 | 07951-31400 | NOZZLE | 50090-50105 |