Raybestos MC39812 Brake Master Cylinder

Reliable Brake Master Cylinder for Chevrolet, Geo, Pontiac, and Suzuki

The Raybestos Element3; New Brake Master Cylinder MC39812 is engineered to restore precise brake hydraulics performance in select Chevrolet, Geo, Pontiac, and Suzuki models. Designed with durable aluminum construction and exact fitment specifications, this master cylinder ensures consistent braking response and safety.

• Constructed from lightweight, corrosion-resistant aluminum
• Two mounting holes with 0.354-inch diameter for secure installation
• Bore size of 0.813 inches for optimal hydraulic pressure
• Three ports with M10x1 thread size for primary and secondary connections
• Compatible with Chevrolet Firefly, Geo Metro, Pontiac Sprint, and Suzuki Swift

Detailed Specifications and Features

The MC39812 brake master cylinder features a robust aluminum body that offers durability and resistance to corrosion, essential for maintaining brake system integrity. It includes two mounting holes, each with a diameter of 0.354 inches, ensuring a precise and stable fit during installation. The bore size of 0.813 inches is designed to provide the correct hydraulic pressure needed for effective braking. This master cylinder has three ports, both primary and secondary ports threaded M10x1, allowing for secure and leak-free brake line connections.

About the Raybestos Element3; New Product Line

The Element3; New line by Raybestos focuses on delivering reliable brake hydraulics components that meet or exceed OEM standards. This product line emphasizes quality materials and precise engineering, making it suitable for replacement parts in various vehicle models, including the Chevrolet Firefly, Geo Metro, Pontiac Sprint, and Suzuki Swift. The MC39812 master cylinder is part of this line, ensuring compatibility and performance consistency.

Common Applications and Problem Resolution

• Restores brake pressure loss due to worn or damaged master cylinders
• Eliminates brake fluid leaks from faulty port threads or seals
• Resolves spongy or unresponsive brake pedal issues
• Replaces corroded or cracked aluminum master cylinders
• Ensures proper hydraulic function in Chevrolet Firefly, Geo Metro, Pontiac Sprint, and Suzuki Swift brake systems

Installation Notes and Tips

When installing the Raybestos MC39812 brake master cylinder, ensure the mounting holes align precisely with the vehicle’s brake booster or firewall. Use the specified 0.354-inch diameter mounting holes for secure attachment. Verify that the M10x1 threaded ports match the brake line fittings to prevent leaks. Bleed the brake system thoroughly after installation to remove air and restore proper hydraulic pressure.

Quality Assurance and Warranty

Raybestos manufactures the MC39812 brake master cylinder to meet stringent quality standards, using durable aluminum material and precise machining. This part is backed by Raybestos’ quality assurance processes, ensuring reliable performance and fitment. Please refer to Raybestos’ official warranty policy for coverage details.