Raybestos MC39877 Brake Master Cylinder

Overview of Raybestos Element3; New Brake Master Cylinder MC39877

The Raybestos Element3; New Brake Master Cylinder MC39877 is engineered for reliable brake hydraulics performance in select Volkswagen models. Designed with precision, this aluminum master cylinder ensures consistent braking response for vehicles like the Volkswagen Golf, Jetta, and Passat.

• Constructed from durable aluminum for corrosion resistance
• Two mounting holes with 0.354-inch diameter for secure installation
• 0.875-inch bore size optimized for brake fluid pressure control
• Four ports with M10x1 thread size for primary and secondary brake lines
• Compatible with multiple Volkswagen models including Cabrio, Corrado, Derby, EuroVan, Golf, Jetta, Passat, and Van

Details on the Element3; New Product Line

The Element3; New line by Raybestos focuses on delivering dependable brake hydraulics components that meet or exceed OEM specifications. This brake master cylinder MC39877 is part of that line, offering a balance of material quality and precise engineering to maintain brake system integrity in Volkswagen vehicles. The aluminum construction and exact port threading reflect the line’s commitment to fit and function.

Technical Description of Brake Master Cylinder MC39877

This brake master cylinder features a 0.875-inch bore size, which is critical for maintaining proper hydraulic pressure within the brake system. The two mounting holes, each with a diameter of 0.354 inches, provide a secure and stable attachment point. With four ports, including primary and secondary ports both threaded M10x1, this master cylinder supports efficient brake fluid distribution. The aluminum material offers resistance to corrosion and heat, contributing to the longevity of the brake system components.

Applications and Common Issues Addressed

• Restores proper brake pedal feel and responsiveness in Volkswagen Cabrio and Corrado models
• Eliminates brake fluid leaks caused by worn or damaged master cylinders in Golf and Jetta vehicles
• Resolves inconsistent braking pressure in Passat and EuroVan brake systems
• Prevents brake system failure due to internal seal wear or bore damage
• Supports brake system maintenance and rebuilds for Volkswagen Van and Derby models

Installation Notes and Tips

Ensure the brake system is fully depressurized before removing the old master cylinder. Verify that the mounting holes align correctly with the vehicle’s brake booster or firewall. Use proper thread sealant or fittings compatible with M10x1 threads on both primary and secondary ports. After installation, bleed the brake system thoroughly to remove air and confirm proper hydraulic pressure. Check for leaks and secure all connections before road testing.

Quality Assurance and Warranty

Raybestos Element3; New brake master cylinders are manufactured to meet strict quality standards, ensuring reliable performance in Volkswagen brake systems. While specific warranty details for part number MC39877 should be confirmed with the supplier, Raybestos typically offers coverage against defects in material and workmanship. Proper installation and maintenance are essential to uphold warranty conditions.