Raybestos MC391483 Brake Master Cylinder

Reliable Brake Master Cylinder for Nissan Altima and Maxima

The Raybestos Element3; New Brake Master Cylinder MC391483 is designed to restore proper brake hydraulics in Nissan Altima and Maxima models. Engineered with precision, this aluminum master cylinder ensures consistent brake fluid pressure for safe and effective braking performance.

• Constructed from durable aluminum for corrosion resistance
• Features a 1.000-inch bore size for accurate hydraulic control
• Includes 2 mounting holes with a diameter of 0.354 inches for secure installation
• Equipped with 2 ports, both with M12x1 thread size for compatibility
• Compatible with Nissan Altima and Maxima vehicles

Detailed Specifications and Product Line Information

This brake master cylinder, part number MC391483, is part of the Raybestos Element3; New product line, which focuses on delivering reliable brake hydraulics components with modern materials and precise engineering. The aluminum construction reduces weight and resists corrosion, contributing to longer service life. The 1.000-inch bore size is designed to match OEM specifications, ensuring proper brake pedal feel and hydraulic pressure. With two mounting holes sized at 0.354 inches in diameter, installation aligns with factory mounting points. Both primary and secondary ports use M12x1 threads, providing compatibility with standard brake line fittings.

Applications and Common Issues Addressed

• Restores brake fluid pressure in Nissan Altima and Maxima brake systems
• Replaces worn or leaking master cylinders causing brake pedal sponginess
• Solves brake fluid leaks from damaged or corroded master cylinders
• Addresses inconsistent braking performance due to internal seal failure
• Supports brake system rebuilds requiring OEM-equivalent master cylinder

Installation Notes and Tips

Ensure the brake system is properly bled after installation to remove air and maintain hydraulic integrity. Verify that mounting holes align correctly with the vehicle’s brake booster or firewall. Use compatible brake lines with M12x1 threaded fittings to avoid leaks. Inspect all brake components during installation for wear or damage to maintain overall system safety.

Quality Assurance and Warranty

Raybestos Element3; New brake master cylinders are manufactured to meet or exceed OEM standards. The aluminum construction and precise bore sizing contribute to consistent performance and durability. While specific warranty details may vary, Raybestos products typically include coverage against defects in materials and workmanship to ensure reliability in service.