Dorman M39797 Brake Master Cylinder

Overview of the Dorman Brake Master Cylinder for Nissan Maxima

The Dorman M39797 Brake Master Cylinder is designed specifically for Nissan Maxima models, providing reliable brake hydraulics performance. This master cylinder features an aluminum construction and includes a reservoir and sensor to ensure proper brake fluid management and system monitoring.

• Compatible with Nissan Maxima vehicles
• Master cylinder bore diameter: 0.938 inches
• Constructed from durable aluminum material
• Includes reservoir and sensor for enhanced functionality
• Four outlets 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 Features and Specifications

The Dorman M39797 brake master cylinder is engineered with a 0.938-inch bore diameter, ensuring precise hydraulic pressure for effective braking. Its aluminum body offers corrosion resistance and long-lasting durability under demanding conditions. The included reservoir allows for proper brake fluid storage, while the integrated sensor supports brake system diagnostics and safety monitoring. This master cylinder has four outlets, including a rearward outlet sized M10 x 1.0 with a thread pitch of 1.0, and a secondary outlet thread diameter of 10 mm, facilitating secure and compatible brake line connections.

Applications and Common Issues Addressed

• Restores proper brake fluid pressure in Nissan Maxima brake systems
• Replaces worn or leaking master cylinders causing brake pedal issues
• Solves brake fluid reservoir leaks or sensor malfunctions
• Addresses inconsistent braking performance due to hydraulic failures
• Supports brake system safety by maintaining sensor functionality

Installation Notes and Tips

Installation of the Dorman M39797 master cylinder requires careful attention to brake line connections and sensor wiring. Since mounting hardware is not included, ensure you have the necessary bolts and fittings compatible with your Nissan Maxima. Bleeding the brake system after installation is essential to remove air and restore proper hydraulic pressure. Consult the vehicle’s service manual for torque specifications and sensor calibration procedures.

Quality Assurance and Warranty Information

Dorman manufactures this brake master cylinder to meet or exceed OEM standards for fit and function on Nissan Maxima models. The aluminum construction and integrated sensor contribute to reliable brake system operation. While mounting hardware is not included, the product undergoes quality checks to ensure durability and performance. Warranty details can be obtained from the product documentation or Dorman’s official resources.