Raybestos MC391046 Brake Master Cylinder

Overview of Raybestos Element3; New Brake Master Cylinder

The Raybestos Element3; New Brake Master Cylinder MC391046 is engineered for reliable brake hydraulics performance in Mazda 6 vehicles. Designed with precision, this aluminum master cylinder ensures consistent braking response and durability.

• Constructed from lightweight aluminum for corrosion resistance
• Two mounting holes with 0.343-inch diameter for secure installation
• Bore size of 0.813 inches for optimal hydraulic pressure
• Three ports with M10x1 thread size for versatile brake line connections
• Compatible specifically with Mazda 6 models

Detailed Product Features and Specifications

This brake master cylinder, part number MC391046, features an aluminum body that offers strength while reducing weight compared to traditional cast iron units. The two mounting holes, each measuring 0.343 inches in diameter, provide a stable and precise fitment to the brake system assembly. The 0.813-inch bore size is designed to deliver the correct hydraulic pressure needed for effective brake operation. With three ports threaded M10x1, this master cylinder supports multiple brake line configurations, accommodating both primary and secondary circuits. This part is engineered to meet the specific requirements of Mazda 6 brake hydraulics systems.

About the Raybestos Element3; New Product Line

The Element3; New line from Raybestos focuses on delivering brake components that combine modern materials and manufacturing techniques. This product line emphasizes durability and consistent performance, making it suitable for replacement brake hydraulics parts like the MC391046 master cylinder. The use of aluminum and precise threading standards reflects the Element3; New commitment to quality and fitment accuracy.

Common Applications and Problem Resolution

• Replacement for worn or leaking brake master cylinders in Mazda 6
• Restores proper hydraulic pressure for improved brake pedal feel
• Addresses brake fluid leaks caused by damaged ports or seals
• Corrects inconsistent braking due to bore wear or corrosion
• Supports brake system upgrades requiring specific port threading

Installation Notes and Tips

Ensure the mounting holes align precisely with the brake booster or firewall mounting points on the Mazda 6. Use appropriate torque specifications to avoid distortion of the aluminum housing. Verify that all three ports are properly connected to the brake lines with compatible M10x1 fittings to prevent leaks. Bleed the brake system thoroughly after installation to remove air and ensure optimal brake performance.

Quality Assurance and Warranty

Raybestos manufactures the MC391046 brake master cylinder to meet or exceed OEM standards for Mazda 6 brake hydraulics. The aluminum construction and precise machining contribute to long service life. While specific warranty details should be confirmed at the point of purchase, Raybestos products typically include coverage against defects in materials and workmanship.