Raybestos MC391359 Brake Master Cylinder

Reliable Brake Master Cylinder for Ford and Lincoln Vehicles

The Raybestos Element3; New Brake Master Cylinder MC391359 is engineered to restore precise brake hydraulics in select Ford and Lincoln models. Designed with durable aluminum construction and specific mounting features, this master cylinder ensures consistent braking performance for your Expedition, F-150, or Navigator.

• Constructed from lightweight, corrosion-resistant aluminum
• Two mounting holes with 0.354-inch diameter for secure installation
• 1.188-inch bore size optimized for brake fluid pressure control
• Two ports with M14x1.5 primary and M12x1.5 secondary port threads
• Compatible with Ford Expedition, F-150, and Lincoln Navigator models

About the Raybestos Element3; New Product Line

The Element3; New line from Raybestos focuses on delivering reliable brake hydraulics components with precise engineering and quality materials. This brake master cylinder is part of that line, featuring aluminum construction and exact port threading to meet OEM specifications for Ford and Lincoln vehicles. The Element3; New series aims to provide dependable replacement parts that maintain vehicle safety and braking efficiency.

Detailed Product Description

This Raybestos MC391359 brake master cylinder is designed with a 1.188-inch bore size to regulate brake fluid pressure effectively, ensuring responsive braking. The aluminum material offers a balance of strength and corrosion resistance, extending the part's service life. It includes two mounting holes sized at 0.354 inches in diameter, allowing for a secure fit in the brake system assembly. The master cylinder features two ports: a primary port with M14x1.5 threading and a secondary port with M12x1.5 threading, compatible with the brake lines of Ford Expedition, F-150, and Lincoln Navigator models.

Common Applications and Issues Addressed

• Replacement for worn or leaking brake master cylinders in Ford Expedition and F-150
• Restores proper hydraulic pressure in Lincoln Navigator brake systems
• Solves issues related to spongy or unresponsive brake pedals
• Addresses brake fluid leaks from damaged or corroded master cylinders
• Improves overall brake system reliability and safety

Installation Notes and Tips

Ensure the vehicle is securely lifted and supported before beginning installation. Verify that the mounting holes align correctly with the brake booster or firewall. Use appropriate thread sealant or fittings compatible with M14x1.5 and M12x1.5 port threads to prevent leaks. Bleed the brake system thoroughly after installation to remove air and restore proper brake pedal feel. Consult the vehicle’s service manual for torque specifications and detailed procedures.

Quality Assurance and Warranty

Raybestos manufactures the MC391359 brake master cylinder to meet or exceed OEM standards for fit and function. The aluminum construction and precise machining contribute to long-term durability. While specific warranty details are not provided here, Raybestos products typically come with a limited warranty against defects in materials and workmanship. Refer to Raybestos documentation or authorized distributors for exact warranty terms.