Raybestos MC391473 Brake Master Cylinder

Overview of Raybestos MC391473 Brake Master Cylinder

The Raybestos Element3; New Brake Master Cylinder MC391473 is engineered for reliable brake hydraulics performance. Designed specifically for Lexus ES350 models, this master cylinder ensures precise brake fluid control and consistent stopping power.

• Compatible with Lexus ES350 brake hydraulic systems
• Constructed from durable aluminum for corrosion resistance
• Features a bore size of 0.875 inches for optimal fluid displacement
• Includes two mounting holes with a diameter of 0.342 inches for secure installation
• Primary and secondary port threads sized M12x1 for standard brake line fittings

Detailed Product Features and Specifications

This brake master cylinder, part number MC391473, is crafted from aluminum, providing a lightweight yet sturdy component that resists rust and wear. The 0.875-inch bore size is designed to deliver consistent hydraulic pressure, essential for the braking system's responsiveness. With two mounting holes measuring 0.342 inches in diameter, installation is straightforward and ensures a secure fit. Both the primary and secondary ports use M12x1 thread sizes, compatible with standard brake line connections on the Lexus ES350.

About the Raybestos Element3; New Product Line

The Element3; New line from Raybestos focuses on delivering reliable brake hydraulics components that meet or exceed OEM specifications. This product line emphasizes material quality and precise engineering, making it suitable for replacement parts like the MC391473 brake master cylinder. The Element3; New series is designed to provide consistent performance and durability for vehicles such as the Lexus ES350.

Common Applications and Problem Resolution

• Replacement for worn or leaking brake master cylinders in Lexus ES350
• Restores proper brake fluid pressure and pedal feel
• Addresses brake system leaks caused by damaged ports or seals
• Improves braking response when original master cylinder bore is worn
• Prevents brake fluid contamination with corrosion-resistant aluminum construction

Installation Notes and Tips

Ensure the brake system is fully depressurized before removing the old master cylinder. Verify that the mounting holes align correctly with the vehicle’s brake booster or firewall. Use the specified M12x1 fittings for brake line connections to avoid leaks. After installation, bleed the brake system thoroughly to remove air and restore proper hydraulic pressure. Check for leaks and proper pedal operation before driving.

Quality Assurance and Warranty Information

Raybestos manufactures the MC391473 brake master cylinder to meet strict quality standards, ensuring reliable performance in brake hydraulic systems. The aluminum construction offers corrosion resistance and durability. While specific warranty details are not provided here, Raybestos products typically come with a limited warranty against defects in materials and workmanship. Consult product documentation or the manufacturer for exact warranty terms.