Raybestos MC391507 Brake Master Cylinder

Overview of Raybestos Element3; New Brake Master Cylinder MC391507

The Raybestos Element3; New Brake Master Cylinder MC391507 is engineered for reliable brake hydraulics performance in select Mercedes-Benz models. Designed with precision, this aluminum master cylinder ensures consistent brake pressure and durability for vehicles like the GL320, ML350, and R500.

• Constructed from durable aluminum for corrosion resistance
• Features a 1.060-inch bore size for optimal hydraulic pressure
• Includes 2 mounting holes with a diameter of 0.354 inches for secure installation
• Equipped with 3 ports, each with M12x1 thread size for compatibility
• Compatible with multiple Mercedes-Benz models including GL320, GL350, ML63 AMG, and R500

Detailed Product Description and Specifications

This brake master cylinder from Raybestos is part of the Element3; New product line, which focuses on delivering reliable brake hydraulics components with precise engineering. The MC391507 features an aluminum body that offers strength and resistance to corrosion, essential for maintaining brake system integrity over time. Its 1.060-inch bore size is designed to provide consistent hydraulic pressure, ensuring effective brake response. The master cylinder includes two mounting holes with a diameter of 0.354 inches, allowing for a secure fit in the brake system assembly. Additionally, it has three ports with M12x1 threading on both primary and secondary ports, facilitating proper brake line connections.

Compatible Vehicles and Applications

This master cylinder is compatible with a range of Mercedes-Benz models, including GL320, GL350, GL450, GL550, ML63 AMG, ML320, ML350, ML500, ML550, R63 AMG, R320, R350, and R500. It is designed to replace the original brake master cylinder in these vehicles, ensuring proper brake hydraulics function and safety.

• Restores brake pressure consistency in Mercedes-Benz GL and ML series
• Addresses brake pedal sinking or sponginess issues
• Resolves fluid leaks from the master cylinder area
• Improves brake system responsiveness and safety
• Replaces worn or damaged master cylinders in specified models

Installation Notes and Tips

When installing the Raybestos MC391507 brake master cylinder, ensure the mounting holes align correctly with the vehicle’s brake system bracket. Use the specified 0.354-inch diameter mounting holes for secure attachment. Properly thread brake lines into the M12x1 ports to avoid leaks. Bleed the brake system thoroughly after installation to remove air and restore optimal brake performance. It is recommended to inspect related brake components during installation for overall system integrity.

Quality Assurance and Warranty

Raybestos Element3; New brake master cylinders are manufactured to meet or exceed OEM specifications, providing reliable performance and durability. The aluminum construction offers corrosion resistance, contributing to long service life. While specific warranty details for part number MC391507 should be confirmed with the supplier, Raybestos products typically come with a limited warranty covering defects in materials and workmanship.