Raybestos MC391198 Brake Master Cylinder

Reliable Brake Master Cylinder for Ford E-250 and E-350 Super Duty

The Raybestos Element3; New Brake Master Cylinder MC391198 is engineered to restore precise brake hydraulics for Ford E-250 and E-350 Super Duty models. Designed with durable aluminum construction and specific mounting features, this master cylinder ensures consistent brake performance.

• Constructed from lightweight, corrosion-resistant aluminum
• Two mounting holes with 0.413-inch diameter for secure installation
• 1.375-inch bore size optimized for brake fluid pressure control
• Two ports with M12x1.5 primary and M10x1.5 secondary port threads
• Compatible with Ford E-250 and E-350 Super Duty vehicles

About the Raybestos Element3; New Product Line

The Element3; New line by Raybestos focuses on delivering reliable brake hydraulics components with precise engineering and material quality. This brake master cylinder is part of that line, offering a balance of durability and fitment accuracy for Ford trucks requiring dependable brake system replacement parts.

Detailed Product Description

This brake master cylinder (part number MC391198) features an aluminum body that resists corrosion and reduces weight compared to traditional cast iron units. The 1.375-inch bore size is designed to provide the correct hydraulic pressure for the braking system on Ford E-250 and E-350 Super Duty models. With two mounting holes sized at 0.413 inches in diameter, installation aligns with factory specifications. The master cylinder includes two ports: a primary port with M12x1.5 threading and a secondary port with M10x1.5 threading, ensuring compatibility with the vehicle’s brake lines.

Common Applications and Issues Addressed

• Restores brake fluid pressure in Ford E-250 and E-350 Super Duty brake systems
• Replaces worn or leaking master cylinders causing brake pedal sponginess
• Solves brake fluid leaks from damaged or corroded master cylinder bodies
• Addresses inconsistent brake response due to internal seal failure
• Supports brake system rebuilds requiring OEM-style hydraulic components

Installation Notes and Tips

• Ensure vehicle compatibility with Ford E-250 or E-350 Super Duty before installation
• Verify mounting hole alignment and port thread sizes for proper brake line connection
• Bleed the brake system thoroughly after installation to remove air and ensure optimal brake performance
• Use appropriate brake fluid as specified by the vehicle manufacturer

Quality Assurance and Warranty

Raybestos manufactures the MC391198 brake master cylinder to meet or exceed OEM standards for fit, form, and function. The aluminum construction provides corrosion resistance and durability under normal operating conditions. While specific warranty details are not provided here, Raybestos products typically come with a limited warranty against defects in materials and workmanship.