Raybestos MC391045 Brake Master Cylinder

Reliable Brake Master Cylinder for Ford, Lincoln, and Mercury Vehicles

The Raybestos Element3; New Brake Master Cylinder MC391045 is engineered to restore precise brake hydraulics in select Ford, Lincoln, and Mercury models. Designed with durable aluminum construction and exact fitment specifications, this master cylinder ensures consistent braking performance for your Aviator, Explorer, or Mountaineer.

• Constructed from lightweight, corrosion-resistant aluminum
• Features a 1.060-inch bore size for optimal hydraulic pressure
• Includes two mounting holes with 0.350-inch diameter for secure installation
• Equipped with two ports, both threaded M12x1 for reliable brake line connections
• Compatible with Ford Aviator, Explorer, and Mercury Mountaineer models

About the Raybestos Element3; New Product Line

The Element3; New line from Raybestos focuses on delivering brake hydraulics components that meet or exceed OEM standards. This product line emphasizes precision manufacturing and material quality, such as the aluminum master cylinder body found in part number MC391045. Element3; New parts are designed to provide consistent brake system performance and durability for a range of vehicle applications.

Detailed Product Description

This brake master cylinder features a 1.060-inch bore size, which is critical for maintaining proper hydraulic pressure within the brake system. The aluminum construction offers resistance to corrosion and reduces overall weight compared to traditional cast iron units. With two mounting holes sized at 0.350 inches in diameter, installation aligns precisely with factory specifications. The master cylinder includes two ports, both with M12x1 threading, ensuring compatibility with standard brake line fittings. This part is specifically designed for use in Ford Aviator, Explorer, and Mercury Mountaineer vehicles, providing a direct replacement for the original equipment.

Common Applications and Issues Addressed

• Restores brake pedal firmness and responsiveness
• Eliminates brake fluid leaks from the master cylinder
• Resolves inconsistent brake pressure or spongy pedal feel
• Replaces worn or damaged master cylinders in Ford Aviator, Explorer, and Mercury Mountaineer
• Prevents brake system failure due to internal seal wear

Installation Notes and Tips

• Ensure the brake system is properly bled after installation to remove air
• Verify mounting hole alignment with vehicle specifications before securing
• Use compatible brake fluid as recommended by the vehicle manufacturer
• Inspect brake lines and fittings for wear or damage during installation
• Follow torque specifications for mounting bolts to avoid damage

Quality Assurance and Warranty

Raybestos Element3; New brake master cylinders are manufactured to meet stringent quality standards, ensuring reliable performance and durability. This part number MC391045 undergoes rigorous testing to comply with OEM fit, form, and function requirements. Warranty coverage details should be confirmed with the original product documentation or authorized distributor.