Dorman M39171 Brake Master Cylinder

Reliable Brake Master Cylinder for Ford B2000 and Mazda Courier

The Dorman M39171 brake master cylinder is engineered to restore proper brake hydraulics for Ford B2000 and Mazda Courier models. Designed with durable cast iron construction, this master cylinder ensures consistent braking performance and longevity.

Key Features of the Dorman M39171 Brake Master Cylinder

• Master cylinder bore diameter: 0.875 inches for precise hydraulic pressure
• Constructed from cast iron for strength and durability
• Includes two outlets with a rearward outlet size of M10 x 1.25 and a thread pitch of 1.25
• Secondary outlet thread diameter: 10 mm
• Does not include reservoir or sensor, designed for direct replacement
• Package contains the master cylinder only, no mounting hardware included

Detailed Product Description

The Dorman M39171 brake master cylinder is a direct replacement part specifically compatible with Ford B2000 and Mazda Courier vehicles. Its 0.875-inch bore diameter is calibrated to maintain optimal hydraulic pressure within the brake system. Manufactured from cast iron, this master cylinder offers resistance to wear and corrosion, contributing to reliable brake function over time. Featuring two outlets, including a rearward outlet sized M10 x 1.25 with a 1.25 thread pitch, it matches OEM specifications for seamless integration. This part does not include a reservoir or sensor, making it suitable for applications where the original components are retained.

Common Applications and Issues Addressed

• Restores brake hydraulic pressure for Ford B2000 and Mazda Courier brake systems
• Replaces worn or leaking master cylinders causing brake fluid loss
• Eliminates spongy or unresponsive brake pedal feel
• Addresses brake system failure due to internal cylinder wear or corrosion
• Supports maintenance of proper brake fluid flow through dual outlets

Installation Notes and Tips

• Ensure compatibility with Ford B2000 and Mazda Courier models before installation
• Bleed the brake system thoroughly after installation to remove air pockets
• Check existing brake lines for wear or damage during replacement
• Use appropriate tools for M10 x 1.25 threaded connections to avoid damage
• Verify brake fluid reservoir condition as it is not included with this master cylinder

Quality Assurance and Warranty

Dorman manufactures the M39171 brake master cylinder to meet or exceed OEM standards for fit and function. The cast iron construction provides durability under typical operating conditions. While specific warranty details are not provided, Dorman parts generally come with a limited warranty covering defects in material and workmanship. Refer to Dorman’s official documentation for exact warranty terms.