Dorman M630137 Brake Master Cylinder Replacement

The Dorman M630137 is a 100% new replacement brake master cylinder engineered to restore proper hydraulic braking function. Precision-manufactured to match the casting material, design, and performance of the original equipment part, this master cylinder delivers a reliable, direct-fit replacement without the cost of a dealer part.

Unlike remanufactured units, the M630137 is built entirely from new materials, ensuring consistent performance and long-term durability right out of the box. All rubber internal components are formulated from high-quality EPDM compound, providing excellent resistance to glycol-based brake fluids and helping prevent premature seal degradation.

Key Features:

• Precise OE Replacement – Cylinder housing is constructed to match the casting material of the original part for consistent performance
• EPDM Rubber Components – High-quality EPDM seals and cups resist glycol-based brake fluids for lasting durability
• 100% New Construction – Made entirely of new materials, not remanufactured, for the highest level of quality and safety
• SAE Compliant – Manufactured to meet rigorous SAE International standards
• Direct Fit – Engineered to match OEM dimensions for straightforward installation

Dorman's First Stop brake hydraulics line is a trusted single-source solution for professional technicians and DIY mechanics seeking quality aftermarket brake components at a competitive price.