Dorman M39761 Brake Master Cylinder

Reliable Brake Master Cylinder for Mitsubishi and Plymouth Vehicles

The Dorman M39761 brake master cylinder is engineered to restore proper brake hydraulics in select Mitsubishi and Plymouth models. Designed with precision, this aluminum master cylinder offers durability and consistent performance for vehicles like the Mitsubishi Eclipse, Galant, and Plymouth Laser.

Key Features of the Dorman M39761 Brake Master Cylinder

• Constructed from durable aluminum for corrosion resistance and strength
• Master cylinder bore diameter of 0.938 inches for accurate hydraulic pressure
• Two outlet ports with rearward outlet size M10 x 1.0 and thread pitch of 1.0
• Secondary outlet thread diameter of 10 mm
• Includes the master cylinder only; mounting hardware and reservoir are not included
• Compatible with Mitsubishi Eclipse, Galant, and Plymouth Laser models

Detailed Product Description

The Dorman M39761 brake master cylinder is a direct replacement part designed to meet or exceed OEM specifications for brake hydraulics. Its aluminum construction ensures long-lasting resistance to wear and corrosion, which is critical for maintaining brake system integrity. The 0.938-inch bore diameter provides the correct hydraulic pressure needed for effective braking response. Featuring two outlets, including a rearward outlet sized M10 x 1.0 with a 1.0 thread pitch, this master cylinder supports proper fluid distribution within the brake system. Note that this unit does not include a reservoir or mounting hardware, so these components must be sourced separately if needed.

Common Applications and Issues Addressed

• Restores brake pressure loss due to worn or leaking master cylinders
• Eliminates spongy or unresponsive brake pedal feel
• Resolves internal seal failures causing brake fluid leaks
• Addresses brake system contamination affecting hydraulic performance
• Replaces damaged or corroded master cylinders in Mitsubishi Eclipse, Galant, and Plymouth Laser

Installation Notes and Tips

• Ensure compatibility with your specific vehicle model and year before installation
• Bleed the brake system thoroughly after installation to remove air pockets
• Inspect and replace brake fluid as necessary to maintain system integrity
• Mounting hardware and reservoir are not included; verify existing components are in good condition or replace accordingly
• Follow manufacturer torque specifications for outlet fittings to prevent leaks

Quality Assurance and Warranty Information

Dorman parts are manufactured to meet industry standards for quality and reliability. The M39761 brake master cylinder undergoes rigorous testing to ensure proper fit and function in compatible Mitsubishi and Plymouth vehicles. While specific warranty details may vary, Dorman typically offers a limited warranty covering defects in material and workmanship. Consult product documentation or the supplier for exact warranty terms.