Raybestos MC391099 Brake Master Cylinder

Reliable Brake Master Cylinder for Nissan Frontier and Xterra

The Raybestos Element3; New Brake Master Cylinder MC391099 is engineered to restore precise brake hydraulics for Nissan Frontier and Xterra models. Designed with durable aluminum construction and specific mounting features, this master cylinder ensures consistent brake performance and safety.

• Constructed from lightweight, corrosion-resistant aluminum
• Features 2 mounting holes with a diameter of 0.354 inches for secure installation
• 1.000 inch bore size optimized for brake fluid pressure control
• Equipped with 2 ports, both with M12x1 thread size for compatibility with brake lines
• Compatible with Nissan Frontier and Nissan Xterra brake hydraulic systems

About the Raybestos Element3; New Product Line

The Element3; New line by Raybestos focuses on delivering reliable brake hydraulics components with modern materials and precise engineering. This brake master cylinder MC391099 benefits from the Element3; New design philosophy, combining aluminum construction with exact port threading and bore sizing to meet OEM specifications for Nissan vehicles.

Detailed Product Description

This brake master cylinder is crafted from aluminum, providing a balance of strength and corrosion resistance essential for brake hydraulics. The 1.000 inch bore size is calibrated to maintain proper hydraulic pressure, ensuring responsive braking. With two mounting holes sized at 0.354 inches in diameter, the unit mounts securely to the vehicle’s brake system. Both primary and secondary ports use M12x1 threading, allowing for straightforward connection to compatible brake lines. The MC391099 is specifically designed for Nissan Frontier and Xterra models, making it a precise replacement part for brake system maintenance or repair.

Common Applications and Issues Addressed

• Restores brake fluid pressure in Nissan Frontier and Xterra 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-spec master cylinder components

Installation Notes and Tips

Ensure the mounting holes align precisely with the vehicle’s brake system bracket using the 0.354 inch diameter holes. Verify that brake lines match the M12x1 threaded ports before installation. Properly bleed the brake system after installation to remove air and restore full hydraulic pressure. Use compatible brake fluid as specified by Nissan for optimal performance.

Quality Assurance and Warranty

Raybestos manufactures the MC391099 brake master cylinder to meet strict quality standards for brake hydraulics. The aluminum construction resists corrosion and wear, contributing to long service life. While specific warranty details are not provided here, Raybestos products typically come with manufacturer-backed quality assurance to support reliable vehicle operation.