Dorman M12671 Brake Master Cylinder

Reliable Brake Master Cylinder for Precise Hydraulic Control

The Dorman M12671 brake master cylinder is engineered to provide consistent hydraulic pressure for your vehicle's braking system. Designed with a durable cast iron construction and integrated sensor, this master cylinder ensures reliable performance for compatible makes and models.

• Master cylinder bore diameter: 2 inches for optimal fluid displacement
• Constructed from cast iron for strength and durability
• Includes reservoir for brake fluid storage
• Equipped with a sensor to monitor brake system status
• Two outlets with secondary outlet thread diameter of 0.5 inches and rearward outlet size of 9/16-18
• Package contains the master cylinder only; mounting hardware not included

Durable Cast Iron Construction and Integrated Sensor

The Dorman M12671 master cylinder features a robust cast iron body designed to withstand the demands of brake hydraulics. Its 2-inch bore diameter allows for precise control of brake fluid pressure, essential for safe and responsive braking. The included reservoir simplifies fluid management, while the integrated sensor provides real-time feedback to the vehicle’s brake system, enhancing safety and diagnostics.

Compatible Applications and Common Uses

This brake master cylinder is compatible with various vehicle makes and models requiring a 2-inch bore diameter and specific outlet thread sizes. It is commonly used to address issues such as:

• Brake pedal sinking or sponginess due to master cylinder wear
• Brake fluid leaks from a damaged or corroded master cylinder
• Faulty brake system sensor triggering warning lights
• Inconsistent brake pressure affecting stopping performance
• Replacement of a worn or failing brake master cylinder assembly

Installation Notes and Tips

When installing the Dorman M12671 brake master cylinder, ensure the brake fluid reservoir is properly filled and free of contaminants. Bleed the brake system thoroughly to remove air pockets and verify sensor connections are secure for accurate system monitoring. Note that mounting hardware is not included and must be sourced separately.

Quality Assurance and Warranty Information

Dorman manufactures the M12671 brake master cylinder to meet or exceed OEM specifications, providing reliable performance and durability. While specific warranty details vary, Dorman typically offers a limited warranty covering defects in materials and workmanship to support your investment in vehicle safety.