Dorman - First Stop Brake Master Cylinder P/N:M630054

Turn brake-pedal force into hydraulic pressure with the Dorman First Stop Brake Master Cylinder M630054, a new aluminum unit that comes with its reservoir and sensor. It fits many vehicles, among them the 2001-2011 Ford Crown Victoria, 2001-2011 Lincoln Town Car and 2001-2011 Mercury Grand Marquis. See the Buyer's Guide tab for the full list.

Whether you need a Lincoln Town Car master cylinder or a unit for another listed application, Dorman precision-engineered this one to match the original master cylinder's design, function and performance. It is built from new, high-quality materials and is intended as a safe, durable replacement.

• Precise replacement: The aluminum cylinder housing is made to match the original part's material and is intended to deliver similar performance.
• Durable design: Every rubber component uses a high-quality EPDM compound that resists glycol-based brake fluid.
• 100% new: It is made entirely of new materials for quality and safety.
• Strict specifications: It is made to meet rigorous SAE International standards.

Specifications: 1 in. bore diameter; 2 outlets; M12 x 1.0 rearward outlet; M10 x 1.0 secondary outlet thread; 1 mm primary outlet thread pitch. The reservoir and sensor are included. Mounting hardware is not included. Country of origin: Taiwan.

Signs that a master cylinder may need replacing include a soft or sinking brake pedal, brake fluid leaking at the master cylinder, or a lit brake warning light. Other brake components can cause the same symptoms, so diagnose the cause before replacing.

Interchange: 100-2187 · 13-2942 · 10-2942 · 130.61118 · 355-56020 · BRMC-62
1002187 · 132942 · 102942 · 13061118 · 35556020 · BRMC62 · M901127 · 13523 · MC500220 · 1W1Z2140BA · 6W1Z2140BA · M4041 · NM4041 · MC390693 · F140129 · F140491 · MC140129 · MC140491