Dorman M39495 Brake Master Cylinder

Reliable Brake Master Cylinder for Ford and Mercury Vehicles

The Dorman M39495 brake master cylinder is designed to restore proper brake hydraulics in select Ford and Mercury models. Engineered with cast iron construction and a built-in reservoir, this master cylinder ensures consistent brake fluid delivery for safe stopping performance.

• Cast iron master cylinder material for durability
• Includes reservoir for brake fluid storage
• 1-inch bore diameter for precise hydraulic pressure
• Two outlets with rearward outlet size 1/2-20 and secondary outlet thread diameter 9/16-18
• Compatible with Ford Capri, Cougar, Montego, and Mustang models
• Part number M39495 for accurate replacement

Product Details and Specifications

This Dorman brake master cylinder features a 1-inch bore diameter, providing the correct hydraulic pressure needed for effective braking. Constructed from cast iron, it offers strength and resistance to wear. The included reservoir allows for proper brake fluid containment and circulation. With two outlets—one rearward outlet sized 1/2-20 and a secondary outlet with a 9/16-18 thread diameter—this master cylinder supports dual-circuit brake systems commonly found in Ford and Mercury vehicles such as the Capri, Cougar, Montego, and Mustang. Note that mounting hardware is not included, so existing hardware should be reused or sourced separately.

Compatible Vehicles and Applications

This brake master cylinder is compatible with the following vehicles:

• Ford Capri
• Ford Cougar
• Ford Montego
• Ford Mustang
• Mercury Capri
• Mercury Cougar
• Mercury Montego

Use part number M39495 to ensure proper fitment and performance in these models.

Common Issues Addressed by This Master Cylinder

• Spongy or unresponsive brake pedal
• Brake fluid leaks from the master cylinder or reservoir
• Brake warning light activation due to hydraulic failure
• Uneven braking or reduced stopping power
• Contaminated or deteriorated brake fluid reservoir

Installation Notes and Tips

• Verify compatibility with your specific Ford or Mercury model before installation
• Reuse existing mounting hardware or acquire appropriate hardware separately, as none is included
• Bleed the brake system thoroughly after installation to remove air pockets
• Inspect brake lines and fittings for wear or damage during replacement
• Follow manufacturer torque specifications for outlet fittings

Quality Assurance and Warranty

Dorman manufactures this brake master cylinder to meet or exceed OEM standards for fit and function. The cast iron construction and integrated reservoir contribute to long service life. While specific warranty details are not provided here, Dorman products typically include a limited warranty against defects in materials and workmanship. Consult product documentation or the manufacturer for exact warranty terms.