Dorman M73323 Brake Master Cylinder

Reliable Brake Master Cylinder for Ford and Mercury Vehicles

The Dorman M73323 brake master cylinder is designed to restore proper brake hydraulics in select Ford and Mercury models. Engineered with cast iron construction and a 1-inch bore diameter, this master cylinder ensures consistent brake fluid pressure for safe stopping performance.

• Cast iron master cylinder material for durability
• Includes reservoir for brake fluid storage
• 1-inch bore diameter for precise hydraulic control
• Two outlets with rearward outlet size 1/2-20 and secondary outlet thread diameter 9/16-18
• Compatible with Ford Mustang, LTD, Cougar, Colony Park, Marauder, and Mercury Marquis
• Part number M73323 for accurate replacement

Product Details and Specifications

This Dorman brake master cylinder (part number M73323) features a cast iron body that withstands the rigors of brake system pressure and heat. The included reservoir allows for proper brake fluid containment and circulation. With a 1-inch bore diameter, it provides the necessary hydraulic force to operate the brake calipers or wheel cylinders effectively. The unit has two outlets: a rearward outlet sized 1/2-20 and a secondary outlet with a 9/16-18 thread diameter, ensuring compatibility with the brake lines on your Ford or Mercury vehicle.

Compatible Vehicles and Applications

This master cylinder is compatible with a range of Ford and Mercury models, including the Ford Mustang, LTD, Cougar, Colony Park, Marauder, and the Mercury Marquis. It is designed specifically for brake hydraulic systems requiring a 1-inch bore master cylinder with the specified outlet sizes, making it a suitable replacement for maintaining brake system integrity on these vehicles.

• Restores brake fluid pressure in hydraulic brake systems
• Replaces worn or leaking master cylinders
• Addresses brake pedal sinking or sponginess
• Fixes brake fluid leaks from the master cylinder
• Improves overall brake responsiveness and safety

Installation Notes and Tips

Installation of the Dorman M73323 brake master cylinder requires proper brake system bleeding to remove air and ensure optimal brake performance. Note that mounting hardware is not included, so retain or source the necessary bolts and fittings. Verify outlet thread sizes (1/2-20 rearward and 9/16-18 secondary) to ensure compatibility with your vehicle’s brake lines. It is recommended to inspect related brake components during installation for wear or damage.

Quality Assurance and Warranty

Dorman manufactures this brake master cylinder to meet or exceed OEM specifications for fit and function. The cast iron construction provides durability and resistance to brake fluid corrosion. While specific warranty details may vary, Dorman typically offers a limited warranty covering defects in material and workmanship. Refer to Dorman’s warranty policy for complete terms.