Dorman M39720 Brake Master Cylinder

Reliable Brake Master Cylinder for Ford Festiva

The Dorman M39720 brake master cylinder is engineered to restore proper brake hydraulics in your Ford Festiva. Designed with durable cast iron and equipped with a reservoir and sensor, this master cylinder ensures consistent braking performance.

• Master cylinder bore diameter: 0.75 inches for precise hydraulic pressure
• Constructed from cast iron for long-lasting durability
• Includes reservoir for brake fluid storage
• Equipped with a sensor to monitor brake system status
• Two outlets with rearward outlet size M10 x 1.0 and thread pitch 1.0

Product Details and Specifications

The Dorman M39720 brake master cylinder is specifically designed for the Ford Festiva, providing a direct replacement for the original component. Its cast iron construction offers strength and resistance to wear, while the 0.75-inch bore diameter ensures accurate hydraulic pressure delivery. The included reservoir allows for proper brake fluid containment, and the integrated sensor supports brake system monitoring. Featuring two outlets with a secondary outlet thread diameter of 10 mm and a rearward outlet size of M10 x 1.0, this master cylinder fits precisely within the brake hydraulics system of the Ford Festiva.

Common Applications and Problem Resolution

• Restores brake pressure and pedal feel in Ford Festiva brake systems
• Replaces leaking or damaged master cylinders causing brake fluid loss
• Addresses brake warning light issues related to sensor failure
• Solves inconsistent braking performance due to worn internal components
• Eliminates spongy or soft brake pedal response

Installation Notes and Tips

Installation of the Dorman M39720 brake master cylinder requires proper brake system bleeding to remove air and ensure optimal performance. Verify thread pitch and outlet sizes match your vehicle’s brake lines before installation. Since mounting hardware is not included, retain original fasteners or source compatible hardware separately. Consult the Ford Festiva service manual for torque specifications and detailed installation procedures.

Quality Assurance and Warranty

Dorman manufactures the M39720 brake master cylinder to meet or exceed OEM standards for fit and function. The cast iron material and integrated sensor contribute to reliable operation under normal driving conditions. While specific warranty details are not provided, Dorman products typically come with a limited warranty covering defects in materials and workmanship.