Raybestos MC390703 Brake Master Cylinder

Reliable Brake Master Cylinder for Mercedes-Benz Models

The Raybestos Element3; New Brake Master Cylinder MC390703 is engineered to restore precise brake hydraulics in select Mercedes-Benz vehicles. Designed with durable aluminum construction and specific mounting features, this master cylinder ensures consistent brake performance for models like the C43 AMG, C230, C280, and CLK320.

• Constructed from lightweight, corrosion-resistant aluminum
• Two mounting holes with 0.343-inch diameter for secure installation
• Three ports with M12x1 thread size for primary and secondary connections
• Compatible with Mercedes-Benz C43 AMG, C230, C280, and CLK320
• Part number MC390703 for precise identification and fitment

Element3; New Product Line Overview

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 line's emphasis on durability and fitment accuracy, making it suitable for maintaining the braking system integrity in Mercedes-Benz vehicles requiring replacement parts that meet OEM specifications.

Technical Details and Features

This brake master cylinder features an aluminum body that offers resistance to corrosion and heat, contributing to longer service life. It includes two mounting holes, each with a diameter of 0.343 inches, ensuring a secure and stable fit during installation. The unit has three ports, with both primary and secondary port threads sized at M12x1, compatible with the brake lines on the specified Mercedes-Benz models. These specifications support proper hydraulic pressure distribution and reliable brake function.

Common Applications and Problem Resolution

• Restores brake pressure loss in Mercedes-Benz C43 AMG, C230, C280, and CLK320
• Replaces worn or leaking master cylinders causing brake fluid leaks
• Addresses spongy or unresponsive brake pedal issues
• Corrects inconsistent brake pedal travel or sinking
• Improves overall brake system reliability and safety

Installation Notes and Tips

Ensure the brake system is properly bled after installation to remove air and maintain hydraulic integrity. Verify that mounting holes align correctly with the vehicle’s brake booster assembly. Use compatible brake fluid as specified by the vehicle manufacturer. Inspect all brake lines and fittings for wear or damage during replacement to prevent future leaks.

Quality Assurance and Warranty

Raybestos manufactures the MC390703 brake master cylinder to meet stringent quality standards, ensuring reliable performance in Mercedes-Benz brake systems. The Element3; New line components undergo rigorous testing for durability and fitment accuracy. Warranty coverage details should be confirmed with the product documentation or supplier.