| Item | Part No. | Part Name | Qty | Serial No. |
| 385-10110431 | CYLINDER ASS'Y,BRAKE BOOSTER | 10001- | ||
| 1 | 385-10155891 | BODY,CYLINDER | 10001- | |
| 2 | 385-10155901 | BOOT | 10001- | |
| 385-10155911 | PISTON ASS'Y | 10001- | ||
| 3 | 385-10155921 | PISTON | 10001- | |
| 4 | 385-10155931 | R-CUP | 10001- | |
| 5 | 385-10155941 | WIRE,STOP | 10001- | |
| 6 | 385-10155951 | BLEEDER | 10001- | |
| 7 | 385-10155961 | CAP | 10001- | |
| 8 | 385-10155971 | UNION | 10001- | |
| 9 | 385-10155981 | GASKET | 10001- |