Dorman M39744 Brake Master Cylinder

Overview of the Dorman Brake Master Cylinder M39744

The Dorman Brake Master Cylinder M39744 is designed specifically for Geo Sidekick and Suzuki Tracker models. This aluminum master cylinder includes a reservoir and sensor, engineered to maintain reliable brake hydraulics performance.

• Master cylinder bore diameter: 0.813 inches
• Constructed from durable aluminum material
• Includes reservoir for fluid storage
• Equipped with a sensor for brake system monitoring
• Three outlet ports with rearward outlet size M10 x 1.0 and thread pitch 1.0
• Secondary outlet thread diameter of 10 mm
• Mounting hardware not included

Detailed Product Description

The Dorman M39744 brake master cylinder is a precision-engineered component made from aluminum to provide strength and corrosion resistance. Its 0.813-inch bore diameter ensures proper hydraulic pressure for effective braking. The included reservoir allows for brake fluid storage, while the integrated sensor supports system diagnostics and safety monitoring. Featuring three outlets, including a rearward outlet sized M10 x 1.0 with a 1.0 thread pitch, this master cylinder is designed to meet the specific hydraulic requirements of Geo Sidekick and Suzuki Tracker vehicles. Note that mounting hardware is not included, so ensure compatibility with existing components during installation.

Compatible Vehicles and Applications

This brake master cylinder is compatible with the following vehicles:

• Geo Sidekick
• Suzuki Tracker

It is intended for use in brake hydraulic systems requiring a master cylinder with the specified bore diameter and outlet configurations. The part number M39744 should be referenced to confirm fitment and specifications.

Common Issues Addressed by This Master Cylinder

• Brake fluid leaks from a worn or damaged master cylinder
• Reduced brake pedal pressure or spongy brake feel
• Brake warning light activation due to sensor faults
• Inconsistent brake performance caused by internal seal failure
• Corrosion or wear compromising hydraulic pressure integrity

Installation Notes and Tips

• Verify compatibility with Geo Sidekick or Suzuki Tracker models before installation
• Ensure the brake system is properly bled after installation to remove air
• Use appropriate tools for handling the M10 x 1.0 threaded outlets
• Check the sensor connection for secure fit and proper function
• Mounting hardware is not included; reuse existing hardware or source separately

Quality Assurance and Warranty

Dorman manufactures this brake master cylinder to meet or exceed OEM standards for fit, form, and function. The aluminum construction provides durability and resistance to corrosion. The included sensor supports system diagnostics to maintain safety. Please consult Dorman's warranty policy for specific coverage details related to the M39744 part number.