Raybestos MC391037 Brake Master Cylinder

Reliable Brake Master Cylinder for Audi and Volkswagen Models

The Raybestos Element3; New Brake Master Cylinder MC391037 is engineered to provide consistent hydraulic pressure for your braking system. Designed specifically for select Audi and Volkswagen vehicles, this master cylinder ensures precise brake control and safety.

• Constructed from durable aluminum for lightweight strength
• Features a 1.000-inch bore size for optimal hydraulic performance
• Includes two mounting holes with a diameter of 0.767 inches for secure installation
• Equipped with two ports, both with M12x1 thread size for compatibility with brake lines
• Compatible with Audi A4, A4 Quattro, A6, A6 Quattro, Volkswagen Passat, and S6 models

About the Raybestos Element3; New Product Line

The Element3; New line from Raybestos focuses on delivering reliable brake hydraulics components that meet or exceed OEM specifications. This brake master cylinder is part of that line, offering a precise fit and durable construction tailored for European vehicles like Audi and Volkswagen. The use of aluminum material helps reduce weight while maintaining strength and corrosion resistance.

Detailed Product Description

The MC391037 brake master cylinder is designed with a 1.000-inch bore size to provide consistent hydraulic pressure to your vehicle’s braking system. Its aluminum construction offers a balance of durability and weight savings, which is critical for maintaining vehicle performance. The two mounting holes, each with a diameter of 0.767 inches, ensure a secure and stable fit during installation. Additionally, the master cylinder features two ports with M12x1 threading, compatible with standard brake lines used in the specified Audi and Volkswagen models.

Common Applications and Issues Addressed

• Restores proper brake pedal feel and responsiveness
• Eliminates brake fluid leaks from a worn or damaged master cylinder
• Resolves inconsistent hydraulic pressure causing uneven braking
• Addresses spongy or soft brake pedal issues
• Replaces faulty master cylinders in Audi A4, A6, and Volkswagen Passat brake systems

Installation Notes and Tips

• Ensure compatibility with your specific Audi or Volkswagen model before installation
• Bleed the brake system thoroughly after installation to remove air pockets
• Use proper torque specifications for mounting bolts to avoid damage
• Inspect brake lines and fittings for wear or damage during installation
• Follow manufacturer guidelines for brake fluid type and maintenance

Quality Assurance and Warranty

Raybestos manufactures the MC391037 brake master cylinder to meet stringent quality standards, ensuring reliable performance and durability. The Element3; New line components are engineered to match OEM specifications for fit and function. While specific warranty details may vary, Raybestos typically offers coverage against defects in materials and workmanship to provide confidence in your purchase.