Raybestos MC39961 Brake Master Cylinder

Reliable Brake Master Cylinder for Chevrolet Astro and GMC Safari

The Raybestos Element3; New Brake Master Cylinder MC39961 is engineered to restore precise brake hydraulics for Chevrolet Astro and GMC Safari vehicles. Designed with durable aluminum construction and specific mounting features, this master cylinder ensures consistent brake performance and safety.

• Constructed from lightweight, corrosion-resistant aluminum
• Two mounting holes with 0.433-inch diameter for secure installation
• 1.250-inch bore size optimized for brake fluid pressure control
• Two ports with primary port thread 1/2"-20 and secondary port thread 9/16"-18
• Compatible with Chevrolet Astro and GMC Safari models

About the Raybestos Element3; New Product Line

The Element3; New line by Raybestos focuses on delivering reliable brake hydraulics components with precise engineering and quality materials. This brake master cylinder MC39961 is part of that line, offering a balance of durability and performance tailored for specific vehicle applications like the Chevrolet Astro and GMC Safari.

Detailed Product Description

This brake master cylinder features an aluminum body that provides resistance to corrosion and heat, contributing to long service life. The 1.250-inch bore size is designed to maintain proper hydraulic pressure for effective braking response. With two mounting holes sized at 0.433 inches in diameter, installation is straightforward and secure. The master cylinder includes two ports, with the primary port threaded at 1/2"-20 and the secondary port at 9/16"-18, ensuring compatibility with standard brake line fittings on the specified vehicles.

Common Applications and Issues Addressed

• Restores brake fluid pressure in Chevrolet Astro and GMC Safari brake systems
• Replaces worn or leaking master cylinders causing brake pedal sponginess
• Solves brake fluid leaks from damaged or corroded master cylinder bodies
• Improves brake system responsiveness and safety
• Addresses master cylinder failure symptoms such as poor braking performance

Installation Notes and Tips

• Ensure compatibility with Chevrolet Astro and GMC Safari models before installation
• Bleed the brake system thoroughly after installation to remove air
• Use proper torque specifications on mounting bolts to avoid damage
• Inspect brake lines and fittings for wear or damage during replacement
• Follow vehicle manufacturer guidelines for brake system maintenance

Quality Assurance and Warranty

Raybestos manufactures the MC39961 brake master cylinder to meet strict quality standards, using durable aluminum material and precise machining. While specific warranty details are not provided here, Raybestos products typically come with a limited warranty against defects in materials and workmanship. Always verify warranty terms with the product documentation or supplier.