Raybestos MC391397 Brake Master Cylinder

Overview of Raybestos MC391397 Brake Master Cylinder

The Raybestos Element3; New Brake Master Cylinder MC391397 is engineered for reliable brake hydraulics performance in select Volvo models. Designed with precision, this aluminum master cylinder ensures consistent braking response and durability for your Volvo S60, S80, V70, XC70, and XC90 vehicles.

• Constructed from durable aluminum for corrosion resistance
• Features a 1.000-inch bore size for optimal hydraulic pressure
• Includes two mounting holes with a diameter of 0.354 inches for secure installation
• Primary and secondary port threads sized M12x1 for compatibility with standard brake lines
• Compatible with Volvo S60, S80, V70, XC70, and XC90 models

Element3; New Product Line Details

The Element3; New line by Raybestos focuses on delivering high-quality brake hydraulics components that meet or exceed OEM specifications. This product line emphasizes material integrity and precise engineering, as demonstrated by the MC391397 master cylinder’s aluminum construction and exact port threading. The Element3; New series is designed to provide dependable performance and fitment for specific vehicle applications, including various Volvo models.

Technical Description and Specifications

The MC391397 brake master cylinder is crafted from aluminum, offering a balance of strength and resistance to corrosion, which is critical for brake system longevity. It features a bore size of 1.000 inch, which directly influences the hydraulic pressure applied to the brake calipers. The master cylinder mounts using two holes, each with a diameter of 0.354 inches, ensuring a secure and stable fit. Both the primary and secondary ports have M12x1 threading, compatible with standard brake hydraulic fittings. This precise engineering supports consistent brake fluid flow and pressure, essential for safe braking performance in Volvo S60, S80, V70, XC70, and XC90 vehicles.

Common Applications and Problem Resolution

• Replacement for worn or leaking brake master cylinders in Volvo S60, S80, V70, XC70, and XC90
• Addresses issues with inconsistent brake pedal feel or sponginess
• Resolves brake fluid leaks from the master cylinder assembly
• Restores proper hydraulic pressure for effective braking response
• Prevents brake system failure due to master cylinder wear or damage

Installation Notes and Tips

When installing the Raybestos MC391397 master cylinder, ensure the mounting holes align precisely with the vehicle’s brake booster or firewall bracket. Use the specified M12x1 threaded ports for brake line connections, verifying all fittings are tight to prevent leaks. Bleed the brake system thoroughly after installation to remove air and restore proper hydraulic pressure. It is recommended to inspect related brake components during installation to maintain overall system integrity.

Quality Assurance and Warranty

Raybestos manufactures the MC391397 master cylinder to meet stringent quality standards, ensuring reliable performance in brake hydraulic systems. The aluminum construction and precise machining contribute to durability and corrosion resistance. 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.