Dorman M39795 Brake Master Cylinder

Reliable Brake Master Cylinder for Nissan Pathfinder

The Dorman M39795 Brake Master Cylinder is engineered to restore proper brake hydraulics for Nissan Pathfinder models. Designed with precision, this master cylinder ensures consistent brake fluid pressure and reliable stopping power.

• Master cylinder bore diameter: 0.938 inches for accurate fluid displacement
• Constructed from durable aluminum material for corrosion resistance
• Includes reservoir for brake fluid storage
• Equipped with a sensor to monitor brake system status
• Features 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 only; mounting hardware not included

Product Details and Specifications

The Dorman M39795 brake master cylinder is specifically designed for Nissan Pathfinder vehicles, providing a precise fit and reliable performance. Its 0.938-inch bore diameter allows for optimal brake fluid pressure, while the aluminum construction offers durability and resistance to corrosion. The included reservoir simplifies installation and maintenance by providing an integrated brake fluid container. Additionally, the built-in sensor helps monitor brake system conditions, enhancing safety and functionality. With three outlets, including a secondary outlet with a 10 mm thread diameter and a rearward outlet sized M10 x 1.0, this master cylinder supports complex brake hydraulic systems found in Nissan Pathfinder models.

Common Applications and Problem Resolution

• Restores brake fluid pressure for consistent braking response
• Replaces worn or leaking master cylinders causing brake fluid loss
• Addresses brake pedal sponginess or sinking issues
• Resolves sensor-related brake warning light activations
• Fixes hydraulic leaks due to damaged or corroded master cylinder components

Installation Notes and Tips

Installation of the Dorman M39795 brake master cylinder requires careful attention to brake hydraulic system procedures. Ensure the brake fluid reservoir is properly filled and free of contaminants. Bleed the brake system thoroughly after installation to remove air and restore proper brake pedal feel. Note that mounting hardware is not included, so retain original fasteners or acquire appropriate replacements. Verify sensor connections are secure to maintain brake system monitoring functions.

Quality Assurance and Warranty

Dorman manufactures the M39795 brake master cylinder to meet or exceed OEM specifications for Nissan Pathfinder vehicles. The aluminum construction and integrated sensor contribute to long-term reliability. While specific warranty details are not provided here, Dorman products typically include limited warranties covering defects in materials and workmanship. Consult product documentation or the manufacturer for exact warranty terms.