Dorman M87167 Brake Master Cylinder

Reliable Brake Master Cylinder Replacement

The Dorman M87167 brake master cylinder is engineered to restore proper brake hydraulics performance for compatible vehicles. Designed with a durable cast iron construction and a 1.125-inch bore diameter, this master cylinder includes a reservoir and features two outlets to support dual-circuit braking systems.

• Master cylinder bore diameter: 1.125 inches
• Constructed from cast iron for durability
• Includes reservoir for brake fluid
• Two outlets with secondary outlet thread diameter of 7/16-24
• Package contains master cylinder only; mounting hardware not included

Product Details and Specifications

The Dorman M87167 brake master cylinder is designed to meet or exceed OEM specifications for brake hydraulics. Its cast iron material provides strength and resistance to wear, ensuring consistent brake pressure and fluid control. The included reservoir allows for proper fluid storage and monitoring, while the two outlets accommodate dual brake circuits, enhancing safety and performance. The secondary outlet thread diameter of 7/16-24 ensures compatibility with standard brake line fittings. This part is ideal for vehicles requiring a 1.125-inch bore diameter master cylinder.

Compatible Vehicles and Applications

This brake master cylinder is compatible with various makes and models that require a 1.125-inch bore diameter and dual outlet brake hydraulics. It is commonly used in applications where a cast iron master cylinder with an integrated reservoir is specified. For example, it suits certain Ford F-150, Chevrolet Silverado, and Dodge Ram models that match these specifications. Always verify fitment with your vehicle’s year, make, and model before purchase.

• Restores proper brake fluid pressure and pedal feel
• Replaces leaking or damaged master cylinders
• Solves issues with brake fluid reservoir leaks
• Addresses brake pedal sinking or sponginess
• Improves dual-circuit brake system reliability

Installation Notes and Tips

Installation of the Dorman M87167 brake master cylinder requires basic brake system knowledge and tools. Before installation, ensure the brake system is depressurized and fluid is drained to prevent spills. Bleed the brake system thoroughly after installation to remove air and restore proper brake function. Note that mounting hardware is not included, so retain original hardware or acquire appropriate replacements. Consult your vehicle’s service manual for specific torque specifications and procedures.

Quality Assurance and Warranty

Dorman manufactures the M87167 brake master cylinder to meet industry standards for durability and performance. The cast iron construction and precise machining contribute to long service life. While specific warranty details are not provided here, Dorman typically offers limited warranties on their brake hydraulics components. Verify warranty coverage with the product documentation or supplier at the time of purchase.