Dorman M390107 Brake Master Cylinder

Overview of Dorman Brake Master Cylinder for Mazda 929

The Dorman M390107 brake master cylinder is designed specifically for Mazda 929 models, providing reliable brake hydraulics performance. This master cylinder features an aluminum construction and includes a reservoir and sensor to ensure proper brake system function.

• Compatible with Mazda 929 brake hydraulic systems
• Aluminum master cylinder material for durability
• Includes reservoir and sensor for complete assembly
• 1-inch bore diameter for precise brake pressure control
• Two outlets with M10 x 1.0 rearward outlet thread size
• Thread pitch of 1.0 for secure fittings
• Package contains master cylinder only; mounting hardware not included

Detailed Product Description

The Dorman M390107 brake master cylinder is engineered to meet the specifications required by Mazda 929 vehicles. Constructed from aluminum, this master cylinder offers corrosion resistance and strength necessary for consistent brake system performance. The included reservoir allows for proper brake fluid storage, while the integrated sensor monitors fluid levels to alert drivers of potential issues. With a 1-inch bore diameter, the master cylinder delivers accurate hydraulic pressure to the brake calipers or wheel cylinders. Featuring two outlets with a secondary outlet thread diameter of 10 mm and a rearward outlet size of M10 x 1.0, this part ensures compatibility with the brake lines of the Mazda 929. The thread pitch of 1.0 guarantees a secure and leak-free connection. Note that mounting hardware is not included, so existing hardware should be inspected or replaced as needed during installation.

Common Applications and Issues Addressed

• Restores proper brake fluid pressure in Mazda 929 brake systems
• Replaces worn or leaking master cylinders causing brake fluid loss
• Resolves brake pedal sinking or sponginess due to internal seal failure
• Addresses brake warning light activation related to fluid level sensor faults
• Improves overall brake responsiveness and safety

Installation Notes and Tips

• Ensure compatibility with Mazda 929 model year before installation
• Bleed brake system thoroughly after installation to remove air
• Inspect and replace mounting hardware if necessary, as it is not included
• Check brake fluid reservoir for proper fill and absence of leaks
• Verify sensor connection to dashboard warning system

Quality Assurance and Warranty

Dorman manufactures the M390107 brake master cylinder to meet or exceed OEM standards for fit, form, and function. The aluminum construction and integrated sensor contribute to reliable brake system operation. While specific warranty details are not provided here, Dorman typically offers limited warranties on their brake hydraulic components. It is recommended to consult product documentation or the supplier for exact warranty terms.