Dorman M98908 Brake Master Cylinder

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

The Dorman M98908 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.

Key Features of the Dorman M98908 Brake Master Cylinder

• Constructed from cast iron for strength and durability
• Includes an integrated reservoir for brake fluid
• Master cylinder bore diameter of 1 inch for precise hydraulic control
• Two outlet ports with a secondary outlet thread diameter of 0.5 inches
• Rearward outlet size of 7/16-24 for secure brake line connections
• Package contains the master cylinder only; mounting hardware not included
• Compatible with Ford Colony Park, Lincoln Continental, Mercury Grand Marquis, and other models

Detailed Product Description

The Dorman M98908 brake master cylinder is designed specifically for brake hydraulics systems in various Ford, Lincoln, and Mercury vehicles, including the Colony Park, Continental, Grand Marquis, LTD, LTD Crown Victoria, Mark VI, Marquis, Montego, Thunderbird, and Town Car. Its cast iron construction provides reliable strength and resistance to wear, while the integrated reservoir simplifies installation and maintenance. The 1-inch bore diameter ensures proper hydraulic pressure, and the dual outlet design supports efficient brake fluid distribution. This master cylinder does not include mounting hardware or sensors, so ensure compatibility with your vehicle’s existing components before installation.

Common Applications and Issues Addressed

• Restores brake fluid pressure in vehicles experiencing soft or spongy brake pedals
• Replaces leaking or damaged master cylinders causing brake fluid loss
• Solves inconsistent braking performance due to worn internal seals
• Addresses brake system failure symptoms in Ford, Lincoln, and Mercury models listed
• Improves brake pedal feel and responsiveness after hydraulic system repairs

Installation Notes and Tips

• Verify vehicle compatibility with the Dorman M98908 part number before installation
• Bleed the brake system thoroughly after installation to remove air pockets
• Use appropriate brake fluid as specified by the vehicle manufacturer
• Check all brake line fittings for proper torque and sealing
• Mounting hardware is not included; reuse existing hardware or source separately

Quality Assurance and Warranty Information

Dorman manufactures the M98908 brake master cylinder to meet or exceed OEM specifications for fit and function. The cast iron construction and integrated reservoir are designed for long-term durability. While mounting hardware and sensors are not included, the product undergoes rigorous quality control to ensure reliable performance. Please consult Dorman’s warranty policy for specific coverage details.