Raybestos MC390365 Brake Master Cylinder

Reliable Brake Master Cylinder for Lexus Land Cruiser and Toyota LX450

The Raybestos Element3; New Brake Master Cylinder MC390365 is engineered to restore precise brake hydraulics for Lexus Land Cruiser and Toyota LX450 models. Designed with durable aluminum construction and exact fitment specifications, this master cylinder ensures consistent braking performance.

• Constructed from lightweight, corrosion-resistant aluminum
• Features a 1.000-inch bore size for optimal hydraulic pressure
• Includes two mounting holes with 0.343-inch diameter for secure installation
• Equipped with two ports, both with M10x1 thread size for compatibility
• Compatible with Lexus Land Cruiser and Toyota LX450 brake systems

Detailed Specifications and Product Line Information

This brake master cylinder, part number MC390365, 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 master cylinder material offers improved resistance to corrosion and heat, contributing to longer service life. The 1.000-inch bore size is designed to provide the correct hydraulic pressure for the brake system of Lexus Land Cruiser and Toyota LX450 vehicles. With two mounting holes sized at 0.343 inches in diameter and two ports threaded M10x1, this master cylinder fits securely and connects seamlessly to the brake lines.

Common Applications and Problem Resolution

• Restores brake hydraulic pressure in Lexus Land Cruiser and Toyota LX450
• Replaces worn or leaking master cylinders causing brake fluid loss
• Addresses spongy or unresponsive brake pedal issues
• Solves brake system leaks due to damaged ports or seals
• 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 proper torque specifications for mounting bolts to avoid damage. When connecting brake lines, confirm that the M10x1 threaded ports are clean and free of debris to prevent leaks. Bleed the brake system thoroughly after installation to remove air and restore proper brake 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 provides durability and corrosion resistance under normal operating conditions. This part is backed by Raybestos quality assurance protocols to ensure reliable performance. Please refer to Raybestos warranty terms for specific coverage details.