Dorman M18000 Brake Master Cylinder

Reliable Brake Master Cylinder for Ford and Mercury Vehicles

The Dorman M18000 brake master cylinder is designed to restore proper brake hydraulics in select Ford and Mercury models. Engineered with durable cast iron and including a reservoir, this master cylinder ensures consistent brake fluid delivery for safe stopping performance.

• Master cylinder bore diameter: 1 inch
• Constructed from cast iron for durability
• Includes reservoir for brake fluid
• Single outlet design with 1/2-20 rearward outlet size
• Mounting hardware not included
• Compatible with Ford Colony Park, Escort, and Thunderbird models

Product Details and Specifications

The Dorman M18000 brake master cylinder features a 1-inch bore diameter, providing the correct hydraulic pressure for the brake system. Made from cast iron, this component offers strength and resistance to wear. The included reservoir allows for proper brake fluid storage and circulation, essential for maintaining brake system integrity. This master cylinder has one outlet with a rearward outlet size of 1/2-20, designed to fit the brake lines of the specified vehicles. Note that mounting hardware is not included, so existing hardware or separate purchase may be necessary.

Compatible Vehicles and Applications

This brake master cylinder is compatible with several Ford and Mercury models, including the Ford Colony Park, Ford Escort, and Mercury Thunderbird. It is ideal for owners seeking a direct replacement part to maintain or restore brake system function in these vehicles. The part number M18000 ensures you are selecting the correct master cylinder for these specific applications.

• Restores brake fluid pressure in Ford Colony Park brake systems
• Replaces worn or leaking master cylinder in Mercury Thunderbird
• Addresses brake pedal sinking or sponginess in Ford Escort
• Fixes brake fluid leaks from the master cylinder reservoir
• Improves overall brake system responsiveness and safety

Installation Notes and Tips

When installing the Dorman M18000 brake master cylinder, ensure the brake system is properly bled to remove air and maintain hydraulic pressure. Since mounting hardware is not included, verify that existing bolts and fittings are in good condition or obtain replacements as needed. Use appropriate brake fluid compatible with your vehicle’s specifications. Professional installation is recommended for accurate fitment and safety compliance.

Quality Assurance and Warranty

Dorman manufactures the M18000 brake master cylinder to meet or exceed OEM standards for fit and function. The cast iron construction provides long-lasting durability under normal operating conditions. While specific warranty details may vary, Dorman typically offers limited warranties covering defects in materials and workmanship. Refer to product documentation for exact warranty terms.