Dorman M390114 Brake Master Cylinder

Overview of the Dorman Brake Master Cylinder M390114

The Dorman Brake Master Cylinder M390114 is designed specifically for select Ford and Mazda vehicles, including the Ford Probe and Mazda 626 and MX-6 models. This master cylinder features an aluminum construction and includes a reservoir and sensor to ensure reliable brake hydraulics performance.

• Aluminum master cylinder material for durability and corrosion resistance
• Includes reservoir and sensor for integrated brake system monitoring
• Master cylinder bore diameter of 0.938 inches for precise hydraulic control
• Three outlet ports with rearward outlet size M10 x 1.0 and secondary outlet thread diameter of 10 mm
• Thread pitch of 1.0 for secure fitting
• Mounting hardware not included

Detailed Product Description

The Dorman M390114 brake master cylinder is engineered to meet the specifications of Ford and Mazda vehicles such as the 626, MX-6, and Probe. Constructed from aluminum, this master cylinder offers resistance to corrosion and heat, which is critical for maintaining brake system integrity. The included reservoir allows for proper brake fluid storage, while the integrated sensor provides real-time monitoring of brake fluid levels, enhancing safety and maintenance awareness.

With a bore diameter of 0.938 inches, the master cylinder ensures consistent hydraulic pressure delivery to the brake system. It features three outlets, including a rearward outlet sized M10 x 1.0 and a secondary outlet with a 10 mm thread diameter, designed to fit the brake lines of the specified vehicles accurately. The thread pitch of 1.0 ensures a secure and leak-free connection.

Common Applications and Issues Addressed

• Restores proper brake fluid pressure in Ford Probe and Mazda 626, MX-6 brake systems
• Replaces worn or leaking master cylinders causing brake pedal sponginess or failure
• Solves brake fluid leaks due to damaged or corroded master cylinder components
• Addresses brake warning light activation related to sensor or fluid level issues
• Improves overall brake system responsiveness and safety

Installation Notes and Tips

• Ensure compatibility with Ford 626, Mazda MX-6, and Ford Probe models before installation
• Bleed the brake system thoroughly after installation to remove air and ensure proper hydraulic function
• Use appropriate brake fluid as specified by the vehicle manufacturer
• Mounting hardware is not included; reuse existing hardware or source compatible fasteners
• Check sensor connections carefully to maintain brake fluid level monitoring

Quality Assurance and Warranty

Dorman manufactures the M390114 brake master cylinder to meet or exceed OEM standards for fit, form, and function. The aluminum construction and integrated sensor contribute to long-term reliability. While mounting hardware is not included, the product is backed by Dorman's quality control processes. Please refer to Dorman's official warranty policy for specific coverage details.