Dorman M64822 Brake Master Cylinder

Reliable Brake Master Cylinder for Mercury Capri and Montego

The Dorman M64822 brake master cylinder is designed to restore proper brake hydraulics for Mercury Capri and Montego models. Engineered with a cast iron body and an included reservoir, this master cylinder ensures consistent brake fluid pressure and reliable stopping power.

• Cast iron master cylinder material for durability
• Includes reservoir for brake fluid
• Master cylinder bore diameter of 0.938 inches
• Two outlet ports with rearward outlet size 3/8-24 inches and secondary outlet thread diameter 9/16-18
• Compatible with Mercury Capri and Montego vehicles
• Part number M64822 for precise identification

Product Details and Specifications

The Dorman M64822 brake master cylinder features a 0.938-inch bore diameter, which is critical for maintaining proper hydraulic pressure in the braking system. Constructed from cast iron, this master cylinder offers strength and resistance to wear. It comes with an integrated reservoir to hold brake fluid, eliminating the need for a separate component. The unit includes two outlets: a rearward outlet sized at 3/8-24 inches and a secondary outlet with a 9/16-18 thread diameter, allowing for secure connection to the brake lines. Note that mounting hardware is not included with this part.

Compatible Vehicles and Applications

This brake master cylinder is specifically designed for use in Mercury Capri and Mercury Montego models. When searching for a replacement part, using the exact part number M64822 ensures compatibility and proper fitment. This component is ideal for restoring brake hydraulics in these vehicles, especially when the original master cylinder shows signs of wear or failure.

Common Issues Addressed by This Master Cylinder

• Brake pedal sinking or sponginess due to internal leaks
• Loss of hydraulic pressure affecting braking performance
• Brake fluid reservoir leaks or damage
• Uneven brake application between front and rear brakes
• Corrosion or wear in the original cast iron master cylinder body

Installation Notes and Tips

Installation of the Dorman M64822 brake master cylinder requires proper brake system bleeding to remove air and ensure optimal performance. Since mounting hardware is not included, retain or replace existing hardware as needed. Verify outlet thread sizes (3/8-24 rearward and 9/16-18 secondary) to ensure compatibility with brake lines. It is recommended to inspect related brake components during installation for overall system integrity.

Quality Assurance and Warranty

Dorman parts are manufactured to meet or exceed OEM specifications, providing reliable performance for brake hydraulics. While specific warranty details for part number M64822 should be confirmed at the point of purchase, Dorman typically offers limited warranties covering defects in materials and workmanship.