Raybestos MC391489 Brake Master Cylinder

Overview of Raybestos Element3; New Brake Master Cylinder MC391489

The Raybestos Element3; New Brake Master Cylinder MC391489 is designed specifically for Lincoln MKZ models, providing reliable brake hydraulics performance. Crafted from durable aluminum, this master cylinder ensures consistent braking pressure and long-lasting operation.

• Compatible with Lincoln MKZ vehicles
• Constructed from high-quality aluminum material
• Features a 1.000 inch bore size for precise hydraulic control
• Includes 2 mounting holes with 0.354 inch diameter each
• Equipped with 2 ports, both with M12x1.5 thread size

Detailed Product Features and Specifications

The MC391489 brake master cylinder from Raybestos is engineered with a 1.000 inch bore size, which is critical for maintaining proper hydraulic pressure in the brake system of Lincoln MKZ models. The aluminum construction offers corrosion resistance and reduces weight compared to traditional cast iron cylinders. This part includes two mounting holes, each with a diameter of 0.354 inches, ensuring secure installation. Additionally, the master cylinder has two ports, both threaded M12x1.5, facilitating straightforward connection to brake lines.

About the Raybestos Element3; New Product Line

The Element3; New line by Raybestos focuses on delivering brake hydraulics components that meet or exceed OEM specifications. This product line emphasizes material quality and precise engineering to support vehicle safety and performance. The MC391489 master cylinder is part of this line, reflecting Raybestos's commitment to providing reliable replacement parts for specific vehicle applications such as the Lincoln MKZ.

Common Applications and Problem Resolution

• Replacement for worn or leaking brake master cylinders in Lincoln MKZ
• Restores proper brake pedal feel and hydraulic pressure
• Addresses brake fluid leaks caused by damaged seals or corrosion
• Eliminates spongy or unresponsive brake pedal issues
• Supports brake system maintenance and safety compliance

Installation Notes and Tips

When installing the Raybestos MC391489 brake master cylinder, ensure the mounting holes align correctly with the vehicle’s brake booster or firewall. Use the specified 0.354 inch diameter mounting holes for secure attachment. Properly thread brake lines into the M12x1.5 ports to avoid leaks. Bleed the brake system thoroughly after installation to remove air and restore optimal brake performance. It is recommended to consult the Lincoln MKZ service manual for torque specifications and detailed installation procedures.

Quality Assurance and Warranty Information

Raybestos manufactures the MC391489 brake master cylinder under strict quality control standards to ensure durability and performance. The aluminum construction resists corrosion and wear, contributing to the part’s longevity. While specific warranty details are not provided here, Raybestos typically offers coverage against manufacturing defects. Verify warranty terms with the product documentation or authorized distributors.