| Item | Part No. | Part Name | Qty | Serial No. |
| 380-885178-1 | MASTER CYLINDER A. | 3-470 | ||
| 1 | 380-885289-1 | BODY | 3-470 | |
| 2 | 380-885301-1 | GASKET | 3-470 | |
| 3 | 380-885300-1 | CAP | 3-470 | |
| 4 | 380-885302-1 | PLUG | 3-470 | |
| 5 | 380-885303-1 | GASKET | 3-470 | |
| 6 | 380-885290-1 | VALVE (K12) | 3-470 | |
| 7 | 380-885292-1 | SPRING | 3-470 | |
| 8 | 380-885293-1 | SEAT | 3-470 | |
| 9 | 380-885294-1 | CUP (K12) | 3-470 | |
| 10 | 380-885296-1 | STOP | 3-470 | |
| 11 | 380-885298-1 | ROD | 3-470 | |
| 12 | 380-885299-1 | BOOT (K12) | 3-470 | |
| 13 | 380-885297-1 | RING | 3-470 | |
| 14 | 380-885295-1 | PISTON ASS'Y (K12) | 3-470 | |
| 15 | 380-885291-1 | PLUG | 3-470 |