Dorman M390217 Brake Master Cylinder

Reliable Brake Master Cylinder for Ford Mustang

The Dorman M390217 brake master cylinder is designed specifically for Ford Mustang models, providing precise hydraulic control for your vehicle's braking system. Crafted from durable aluminum, this master cylinder includes a reservoir and features dual outlets to ensure consistent brake fluid distribution.

• Compatible with Ford Mustang models
• Master cylinder bore diameter: 0.938 inches
• Constructed from lightweight aluminum material
• Includes reservoir for brake fluid
• Two outlets with rearward outlet size M12 x 1.0 and secondary outlet thread diameter 10 mm
• Thread pitch of 1.0 for secure connections
• Package contains master cylinder only; mounting hardware not included

Product Details and Specifications

The Dorman M390217 brake master cylinder is engineered to meet the hydraulic demands of Ford Mustang brake systems. Its 0.938-inch bore diameter ensures proper pressure generation for effective braking response. The aluminum construction offers corrosion resistance and reduced weight compared to traditional cast iron units. This master cylinder comes with an integrated reservoir, simplifying installation and maintenance. Featuring two outlets, including a rearward outlet sized M12 x 1.0 and a secondary outlet with a 10 mm thread diameter, it supports reliable brake line connections. Note that this part does not include mounting hardware or sensors.

Common Applications and Problem Resolution

• Restores proper brake fluid pressure in Ford Mustang brake systems
• Replaces leaking or damaged master cylinders causing brake fluid loss
• Addresses spongy or unresponsive brake pedal issues
• Resolves brake warning light activation due to master cylinder failure
• Improves overall brake system reliability and safety

Installation Notes and Tips

Installation of the Dorman M390217 brake master cylinder requires careful attention to brake line connections and proper bleeding of the brake system to remove air. Since mounting hardware is not included, retain original fasteners or acquire compatible hardware before installation. Ensure the reservoir is filled with the correct brake fluid type recommended for Ford Mustang models. Verify thread pitch and outlet sizes to match existing brake lines for a secure fit.

Quality Assurance and Warranty

Dorman manufactures this brake master cylinder to meet or exceed OEM specifications for Ford Mustang vehicles. The aluminum construction provides durability and corrosion resistance for long service life. While mounting hardware and sensors are not included, the part is designed for straightforward replacement of the original master cylinder. Warranty coverage details should be confirmed through the product documentation or supplier.