Turn pedal effort into hydraulic brake pressure with the Dorman First Stop Brake Master Cylinder M630037, a new aluminum unit supplied with its reservoir and sensor. It fits many vehicles, among them the 2002-2005 Chevrolet Trailblazer, 2004-2006 Chevrolet SSR and 2002-2005 Chevrolet Trailblazer EXT, all engines. See the Buyer's Guide tab for the full list. It is designed to replicate the original master cylinder's design, function and performance on the listed applications, and it is made from new, high-quality materials.
- Precise replacement: the aluminum cylinder housing is built to match the material of the original part, intended to deliver 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: built to meet rigorous SAE International standards.
Specifications: 1 in bore diameter; two outlets; 1/2-20 rearward and secondary outlet threads; reservoir included; sensor included; mounting hardware not included. Country of origin: China.
Signs a master cylinder may need replacing include a soft or sinking brake pedal, brake fluid leaking at the cylinder, or a falling fluid level. If a worn master cylinder is the cause, M630037 is designed to replace it. Bleed the brake system after installation as directed by the vehicle service information.
Interchange: 174-775 · 100-2633 · 13-2921 · 10-2921 · 130.66044 · 131.66044 · 355-47171
174775 · 1002633 · 132921 · 102921 · 13066044 · 13166044 · 35547171 · 13558 · MC500230 · 18044393 · 18060788 · 8180458170 · M3095 · NM3095 · MC390697 · F140062 · MC140062
This part cross-references / interchanges with the following part numbers:
174-775, 100-2633, 13558, 13-2921, 10-2921, 130.66044, 131.66044, MC500230, 355-47171, 18044393, 18060788, 8180458170, M3095, NM3095, MC390697, F140062, MC140062
