Dorman M39960 Brake Master Cylinder

Reliable Brake Master Cylinder for Geo Sidekick and Suzuki Tracker

The Dorman M39960 brake master cylinder is engineered to restore proper brake hydraulics in Geo Sidekick and Suzuki Tracker vehicles. Designed with precision, this aluminum master cylinder includes a reservoir and sensor to ensure consistent brake performance.

Key Features of the Dorman M39960 Brake Master Cylinder

• Master cylinder bore diameter: 0.875 inches for accurate hydraulic pressure
• Constructed from durable aluminum material for corrosion resistance
• Includes reservoir for fluid storage and sensor for system monitoring
• Three outlets with a secondary outlet thread diameter of 10 mm
• Rearward outlet size: M10 x 1.0 with a thread pitch of 1.0
• Package contains the master cylinder unit only; mounting hardware not included

Detailed Description

The Dorman M39960 brake master cylinder is specifically designed for use in Geo Sidekick and Suzuki Tracker models, providing a precise fit and reliable brake hydraulics function. Its 0.875-inch bore diameter ensures proper fluid displacement, while the aluminum construction offers durability and resistance to corrosion. The included reservoir allows for adequate brake fluid storage, and the integrated sensor supports brake system monitoring. With three outlets and a secondary outlet thread diameter of 10 mm, this master cylinder accommodates the necessary brake line connections, including a rearward outlet sized M10 x 1.0 with a 1.0 thread pitch.

Common Applications and Issues Addressed

• Restores brake pressure loss due to worn or damaged master cylinder
• Resolves brake fluid leaks from the master cylinder reservoir or seals
• Improves brake pedal feel and responsiveness in Geo Sidekick and Suzuki Tracker vehicles
• Replaces faulty brake sensors integrated within the master cylinder
• Addresses hydraulic system failures related to master cylinder bore wear

Installation Notes and Tips

• Ensure compatibility with Geo Sidekick and Suzuki Tracker models before installation
• Bleed the brake system thoroughly after installation to remove air pockets
• Use appropriate brake fluid as specified by the vehicle manufacturer
• Check all brake line connections for proper thread engagement and sealing
• Verify sensor connections are secure and functioning correctly

Quality Assurance and Warranty

Dorman manufactures the M39960 brake master cylinder to meet or exceed OEM specifications for fit and function. The aluminum construction and integrated sensor contribute to reliable brake system performance. While specific warranty details are not provided, Dorman products typically come with a limited warranty covering defects in material and workmanship.