Raybestos MC391092 Brake Master Cylinder

Reliable Brake Master Cylinder for Volkswagen Beetle and Jetta City

The Raybestos Element3; New Brake Master Cylinder MC391092 is engineered to restore precise brake hydraulics for Volkswagen Beetle and Jetta City models. Designed with durable aluminum construction and exact fitment specifications, this master cylinder ensures consistent braking performance.

• Compatible with Volkswagen Beetle and Jetta City
• Constructed from lightweight, corrosion-resistant aluminum
• Two mounting holes with 0.354-inch diameter for secure installation
• 0.938-inch bore size for optimal hydraulic pressure
• Two ports with M12x1 thread size for primary and secondary connections

Product Line Details: Raybestos Element3; New

The Element3; New line by Raybestos focuses on delivering reliable brake hydraulics components with modern materials and precise engineering. This brake master cylinder benefits from the Element3; New design philosophy, combining aluminum construction with exact mounting and port specifications to meet the demands of Volkswagen Beetle and Jetta City brake systems.

Technical Description and Specifications

This brake master cylinder features an aluminum body that offers resistance to corrosion and reduces overall weight compared to traditional cast iron units. It includes two mounting holes, each with a diameter of 0.354 inches, ensuring a secure fit on the vehicle’s firewall. The bore size of 0.938 inches is calibrated to provide the correct hydraulic pressure for the brake system. Both the primary and secondary ports use M12x1 threading, compatible with standard brake line fittings for Volkswagen models.

Common Applications and Problem Resolution

• Restores brake hydraulic pressure in Volkswagen Beetle and Jetta City
• Replaces worn or leaking master cylinders causing brake fluid loss
• Eliminates spongy or unresponsive brake pedal feel
• Addresses internal seal failure leading to brake system failure
• Prevents brake fluid contamination and corrosion damage

Installation Notes and Tips

Ensure the vehicle is securely lifted and supported before beginning installation. Carefully disconnect brake lines from the existing master cylinder, taking care to avoid fluid spillage. Match the mounting hole spacing and port threads to the new Raybestos MC391092 unit. Bleed the brake system thoroughly after installation to remove air and restore proper hydraulic function. Use appropriate torque specifications for mounting bolts and fittings.

Quality Assurance and Warranty

Raybestos Element3; New brake master cylinders are manufactured to meet or exceed OEM standards for fit, form, and function. The aluminum construction provides durability and corrosion resistance for extended service life. While specific warranty details may vary, Raybestos typically offers coverage against defects in materials and workmanship to ensure reliable performance.