Supply the hydraulic pressure your brakes rely on with the Dorman First Stop Brake Master Cylinder, part number M630620. It is a direct-fit replacement for the 2007-2011 Mazda CX-7 (all engines). Dorman precision-engineered it to replicate the original master cylinder's design, function and performance on this application.
The master cylinder converts force from the brake pedal into hydraulic pressure that feeds the brake lines. This unit is built from new, high-quality materials to give a safe, durable replacement.
- Precise replacement: the aluminum cylinder housing is built to match the material of the original part, for similar performance.
- Durable design: every rubber component uses a high-quality EPDM compound that resists glycol-based brake fluid.
- 100% new: made entirely of new materials for quality and safety.
- Strict specifications: made to meet rigorous SAE International standards.
Specifications:
- Bore diameter: 0.875 in
- Number of outlets: 2
- Primary outlet thread pitch: 1 mm
- Secondary outlet thread diameter: M12 x 1.0
- Rearward outlet size: M12 x 1.0
- Package contents: master cylinder only. The reservoir, sensor and mounting hardware are not included.
- Country of origin: Taiwan
Signs this part may need replacing: a soft or sinking brake pedal, brake fluid seeping from the master cylinder, or a brake warning light. These symptoms can have other causes, so diagnose the brake system before replacing parts. If the master cylinder is at fault, M630620 replaces it.
Interchange: 100-2915 · 13-3783 · 11-3783 · 130.45119 · 130.45120 · 355-80022
1002915 · 133783 · 113783 · 13045119 · 13045120 · 35580022 · NM55418 · EG234340Z · EG234340ZR00 · MC391258 · R135756
This part cross-references / interchanges with the following part numbers:
100-2915, 13-3783, 11-3783, 130.45119, 130.45120, 355-80022, NM55418, EG234340Z, EG234340ZR00, MC391258, R135756
