Raybestos MC391237 Brake Master Cylinder

Reliable Brake Master Cylinder for Ford Fusion and Lincoln MKZ

The Raybestos Element3; New Brake Master Cylinder MC391237 is engineered to provide consistent hydraulic pressure for your vehicle's braking system. Designed specifically for select Ford, Lincoln, and Mercury models, this master cylinder ensures precise brake control and safety.

• Constructed from durable aluminum for corrosion resistance and lightweight performance
• Features a bore size of 0.875 inches for optimal hydraulic pressure
• Includes two mounting holes with a diameter of 0.354 inches for secure installation
• Equipped with two ports, both with M14x1.5 thread size for compatibility with brake lines
• Compatible with Ford Fusion, Lincoln MKZ, and Mercury Milan models

Detailed Specifications and Product Line Information

This brake master cylinder is part of the Raybestos Element3; New product line, which focuses on delivering reliable brake hydraulics with modern materials and precise engineering. The aluminum construction reduces weight while maintaining strength, contributing to improved vehicle handling and brake response. The 0.875-inch bore size is designed to match the hydraulic requirements of mid-size sedans like the Ford Fusion and Lincoln MKZ, ensuring consistent brake fluid pressure and pedal feel.

Applications and Common Issues Addressed

• Restores proper brake pedal pressure and responsiveness
• Eliminates brake fluid leaks from worn or damaged master cylinders
• Resolves spongy or soft brake pedal feel caused by internal seal failure
• Prevents brake system failure due to hydraulic pressure loss
• Ensures safe braking performance for Ford Fusion, Lincoln MKZ, and Mercury Milan vehicles

Installation Notes and Tips

When installing the Raybestos MC391237 master cylinder, ensure the mounting holes align correctly with the vehicle’s brake booster assembly. Use the specified 0.354-inch diameter mounting holes and verify the M14x1.5 threaded ports match your brake line fittings. Bleed the brake system thoroughly after installation to remove air and restore proper hydraulic pressure. It is recommended to inspect brake lines and related components during installation for any signs of wear or damage.

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 and precise machining contribute to long service life and reliable performance. While specific warranty details may vary, Raybestos typically offers coverage against defects in materials and workmanship to ensure customer confidence in their brake hydraulics components.