Dorman M39957 Brake Master Cylinder

Reliable Brake Master Cylinder for Acura Integra

The Dorman M39957 brake master cylinder is engineered to restore proper brake hydraulics for Acura Integra models. Designed with precision, this master cylinder ensures consistent brake fluid pressure and reliable stopping power.

• Master cylinder bore diameter: 1 inch for optimal 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
• Two outlets with rearward outlet size M12 x 1.0 and secondary outlet thread diameter 10 mm
• Thread pitch of 1.0 for secure fitting
• Package contains the master cylinder only; mounting hardware not included

Product Details and Specifications

The Dorman M39957 brake master cylinder is specifically designed for Acura Integra vehicles, providing a precise fit and reliable performance. Its 1-inch bore diameter allows for effective brake fluid displacement, ensuring consistent hydraulic pressure. The aluminum construction offers durability and resistance to corrosion, extending the service life of the component. This master cylinder includes an integrated reservoir to hold brake fluid and a sensor to provide feedback on brake system conditions. Featuring two outlets, including a rearward outlet sized M12 x 1.0 and a secondary outlet with a 10 mm thread diameter, it supports proper brake line connections. The thread pitch of 1.0 ensures secure and leak-free installation.

Common Applications and Problem Resolution

• Restores brake fluid pressure in Acura Integra brake systems
• Replaces worn or leaking master cylinders causing brake pedal issues
• Addresses brake fluid reservoir leaks or sensor malfunctions
• Improves brake responsiveness and safety
• Solves issues related to inconsistent brake pedal feel or sponginess

Installation Notes and Tips

Installation of the Dorman M39957 brake master cylinder requires proper brake system bleeding to remove air and ensure optimal performance. Note that mounting hardware is not included, so existing hardware should be inspected and replaced if necessary. Verify thread pitch and outlet sizes to match brake lines on the Acura Integra. Sensor connections should be carefully reattached to maintain brake system monitoring functions.

Quality Assurance and Warranty

Dorman manufactures this brake master cylinder to meet or exceed OEM specifications for Acura Integra vehicles. The aluminum construction and integrated sensor contribute to reliable operation. While mounting hardware is not included, the product undergoes quality checks to ensure fit and function. Warranty details are available through Dorman and typically cover defects in materials and workmanship.