Raybestos MC391030 Brake Master Cylinder

Reliable Brake Master Cylinder for Chrysler PT Cruiser

The Raybestos Element3; New Brake Master Cylinder MC391030 is engineered to restore precise brake hydraulics for Chrysler PT Cruiser vehicles. Designed with durable aluminum construction and specific mounting features, this master cylinder ensures consistent brake performance and safety.

• Constructed from lightweight, corrosion-resistant aluminum
• Two mounting holes with 0.354-inch diameter for secure installation
• 0.938-inch bore size optimized for brake fluid pressure control
• Four ports with 7/16"-24 thread size for primary and secondary connections
• Compatible specifically with Chrysler PT Cruiser models

Detailed Features and Specifications

This Raybestos brake master cylinder (part number MC391030) is designed with a 0.938-inch bore size to provide accurate hydraulic pressure for the braking system. The aluminum master cylinder material offers durability while reducing weight compared to traditional cast iron units. It includes two mounting holes, each with a diameter of 0.354 inches, ensuring a secure fit on the vehicle’s firewall. The unit features four ports, with both primary and secondary port threads sized at 7/16"-24, allowing for proper brake line connections and fluid flow management.

About the 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 quality materials and precise engineering to maintain brake system integrity. The MC391030 master cylinder is part of this line, offering a balance of performance and durability tailored for Chrysler PT Cruiser applications.

Common Applications and Problem Resolution

• Restores brake pressure loss due to worn or leaking master cylinders
• Eliminates spongy or unresponsive brake pedal feel
• Replaces damaged or corroded aluminum master cylinders
• Addresses brake fluid leaks at the master cylinder ports
• Ensures proper hydraulic pressure for safe braking performance

Installation Notes and Tips

When installing the Raybestos MC391030 brake master cylinder, ensure the mounting holes align precisely with the vehicle’s firewall brackets. Use the specified 0.354-inch diameter mounting holes for secure attachment. Verify that the 7/16"-24 threaded ports match the brake line fittings to prevent leaks. Bleed the brake system thoroughly after installation to remove air and restore proper hydraulic pressure.

Quality Assurance and Warranty

Raybestos manufactures the MC391030 master cylinder to meet strict quality standards, using corrosion-resistant aluminum for longevity. This part is backed by Raybestos’ quality assurance processes to ensure reliable performance in Chrysler PT Cruiser brake systems. Warranty details are provided by Raybestos and should be confirmed at the time of purchase.