Dorman M71245 Brake Master Cylinder

Reliable Brake Master Cylinder for Ford, Lincoln, and Mercury Vehicles

The Dorman M71245 brake master cylinder is engineered to restore proper brake hydraulics in select Ford, Lincoln, and Mercury models. Designed with durable cast iron and a built-in reservoir, this master cylinder ensures consistent brake fluid delivery for safe stopping performance.

• Master cylinder bore diameter: 1 inch
• Constructed from cast iron for strength and durability
• Includes reservoir for brake fluid
• Two outlet ports with rearward outlet size 7/16-24 and secondary outlet thread diameter 9/16-18
• Compatible with Ford Colony Park, Lincoln Continental, Mercury Marquis, and other models

Product Details and Specifications

The Dorman M71245 brake master cylinder features a 1-inch bore diameter, providing the correct hydraulic pressure for the brake system. Its cast iron construction offers resistance to wear and corrosion, extending the service life of the component. The integrated reservoir simplifies installation and maintenance by holding the brake fluid necessary for system operation. This master cylinder includes two outlets: a rearward outlet sized 7/16-24 and a secondary outlet with a 9/16-18 thread diameter, ensuring compatibility with the brake lines on Ford, Lincoln, and Mercury vehicles such as the Colony Park, Continental, LTD, Marauder, and Marquis.

Common Applications and Problem Resolution

• Restores brake pressure loss due to worn or leaking master cylinder
• Eliminates spongy or unresponsive brake pedal feel
• Prevents brake fluid leaks that can cause system failure
• Addresses brake warning light issues related to master cylinder malfunction
• Replaces damaged or corroded original equipment master cylinder

Installation Notes and Tips

Installation of the Dorman M71245 master cylinder requires proper brake system bleeding to remove air and ensure optimal hydraulic function. Mounting hardware is not included, so reuse existing hardware or acquire compatible fasteners. Verify outlet thread sizes (7/16-24 rearward and 9/16-18 secondary) to ensure proper brake line connection. This part is designed for direct replacement on compatible Ford, Lincoln, and Mercury models listed.

Quality Assurance and Warranty Information

Dorman manufactures the M71245 brake master cylinder to meet or exceed OEM specifications, using cast iron for durability and reliable performance. While mounting hardware is not included, the product undergoes quality checks to ensure fit and function. Warranty coverage details can be obtained from the product documentation or Dorman directly.