Keep hydraulic pressure flowing to your brakes with the Dorman First Stop brake master cylinder M630613, a brand-new 2009-2013 Mazda 6 master cylinder that converts pedal effort into fluid pressure for the brake circuits. It is a direct-fit replacement for the 2009-2013 Mazda 6 with all engines, precision-engineered to replicate the original master cylinder's design, function and performance on those applications.
- Precise replacement: The aluminum cylinder housing is built to match the casting material of the original part for similar performance.
- Durable design: Every rubber component uses a high-quality EPDM compound for resistance to glycol-based brake fluid.
- 100% new: Made entirely from new materials for quality and safety.
- Strict specifications: Made to meet rigorous SAE International standards.
Specifications: 0.875 in bore diameter, two outlets, M10 x 1.0 secondary outlet thread and 1 mm primary outlet thread pitch. The package contains the master cylinder only. The reservoir, sensor and mounting hardware are not included, so consult the vehicle service information for these. Country of origin: Taiwan.
If a leaking or internally worn master cylinder is behind a soft or sinking brake pedal, this unit is designed to replace it. For a 2009-2013 Mazda 6 master cylinder replacement, follow the vehicle service procedure, including bleeding the brake system.
Interchange: 100-3727 · 13-4106 · 11-4106 · 130.45427 · 355-80080
1003727 · 134106 · 114106 · 13045427 · 35580080 · GSYL4340Z · MC391207 · F900080 · MWMMC900080
This part cross-references / interchanges with the following part numbers:
100-3727, 13-4106, 11-4106, 130.45427, 355-80080, GSYL4340Z, MC391207, F900080, MWMMC900080
