Raybestos MC391498 Brake Master Cylinder

Reliable Brake Master Cylinder for Ford Super Duty Trucks

The Raybestos Element3; New Brake Master Cylinder MC391498 is engineered to provide consistent hydraulic pressure for your Ford F-250 Super Duty and F-350 Super Duty. Designed with precision, this aluminum master cylinder ensures durability and optimal brake system performance.

• Constructed from lightweight, corrosion-resistant aluminum
• Features a 1.500-inch bore size for accurate hydraulic control
• Equipped with three mounting holes, each with a 0.413-inch diameter
• Includes three ports with M14x1 primary and M12x1 secondary port threads
• Compatible with Ford F-250 Super Duty and F-350 Super Duty models

Detailed Specifications and Product Line Information

This brake master cylinder, part number MC391498, 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, and the 1.500-inch bore size is designed to match the hydraulic requirements of heavy-duty Ford trucks. The three mounting holes with a diameter of 0.413 inches ensure secure installation, while the three ports with specific thread sizes (M14x1 primary and M12x1 secondary) provide compatibility with factory brake lines.

Applications and Problem Resolution

• Restores proper brake hydraulic pressure in Ford F-250 Super Duty and F-350 Super Duty
• Replaces worn or leaking master cylinders causing brake fluid loss
• Addresses spongy or unresponsive brake pedal issues
• Solves brake system failure due to internal seal wear or corrosion
• Improves brake system reliability for heavy-duty towing and hauling

Installation Notes and Tips

Ensure the brake system is fully depressurized before removal. Verify that the mounting holes align correctly with the vehicle’s firewall and brake booster. Use the specified port thread sizes (M14x1 and M12x1) to connect brake lines securely, avoiding leaks. Bleed the brake system thoroughly after installation to remove air and restore proper pedal feel.

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 offers corrosion resistance and long service life. While specific warranty details for part number MC391498 should be confirmed at the point of purchase, Raybestos products typically include a limited warranty against defects in materials and workmanship.