Raybestos MC390469 Brake Master Cylinder

Reliable Brake Master Cylinder for Subaru Forester and Impreza

The Raybestos Element3; New Brake Master Cylinder MC390469 is engineered to restore precise brake hydraulics for Subaru Forester and Impreza models. Designed with durable aluminum construction and specific mounting features, this master cylinder ensures consistent brake performance and safety.

• Constructed from lightweight, corrosion-resistant aluminum
• Features 2 mounting holes with a diameter of 0.343 inches for secure installation
• 1.060-inch bore size optimized for accurate hydraulic pressure
• Equipped with 4 ports, including primary and secondary ports threaded M10x1
• Compatible with Subaru Forester and Impreza brake hydraulic systems

Detailed Specifications and Product Line Information

This brake master cylinder is part of the Raybestos Element3; New product line, which focuses on delivering reliable brake hydraulics components with precise engineering and material quality. The aluminum master cylinder material offers a balance of strength and corrosion resistance, suitable for the demanding conditions of Subaru vehicles. The 1.060-inch bore size and 4-port design, including M10x1 threaded ports, provide compatibility with the hydraulic brake systems of Subaru Forester and Impreza models, ensuring proper fluid flow and pressure distribution.

Applications and Problem Resolution

This master cylinder is designed for use in the brake hydraulic system of Subaru Forester and Impreza vehicles. It addresses common brake system issues such as:

• Brake pedal sinking or sponginess due to master cylinder wear
• Brake fluid leaks from damaged or corroded master cylinder ports
• Inconsistent brake pressure affecting stopping performance
• Failure of the master cylinder bore causing brake system malfunction
• Replacement of OEM master cylinder components to maintain brake system integrity

Installation Notes and Tips

Ensure the mounting holes align correctly with the vehicle’s brake booster or firewall using the 2 mounting holes with 0.343-inch diameter. Verify that the primary and secondary ports (both M10x1 thread) are properly connected to the brake lines to prevent leaks. Bleed the brake system thoroughly after installation to remove air and restore optimal brake pedal feel. Use appropriate tools to avoid damaging the aluminum housing during installation.

Quality Assurance and Warranty

Raybestos Element3; New brake master cylinders are manufactured to meet or exceed OEM specifications for fit, form, and function. The aluminum construction provides durability and corrosion resistance for extended service life. While specific warranty details are not provided here, Raybestos products typically come with a limited warranty against defects in material and workmanship. Consult product documentation or the manufacturer for exact warranty terms.