Dorman M390395 Brake Master Cylinder

Reliable Brake Master Cylinder for Ford Windstar

The Dorman M390395 Brake Master Cylinder is engineered to restore proper brake hydraulics for your Ford Windstar. 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 M10 x 1.0 and thread pitch 1.0
• Secondary outlet thread diameter of 10 mm
• Package contains the master cylinder only; mounting hardware not included

Product Details and Specifications

This Dorman brake master cylinder (part number M390395) is specifically designed for the Ford Windstar, providing a direct replacement for the original component. The 1-inch bore diameter allows for precise brake fluid control, while the aluminum construction offers durability and resistance to corrosion. The included reservoir simplifies installation and maintenance by housing the brake fluid securely. Additionally, the integrated sensor helps maintain system integrity by providing real-time feedback on brake performance. The master cylinder features two outlets, including a rearward outlet sized M10 x 1.0 with a 1.0 thread pitch, and a secondary outlet with a 10 mm thread diameter, ensuring compatibility with the Windstar's brake hydraulic system.

Common Applications and Problem Resolution

• Restores brake fluid pressure for consistent braking response
• Replaces leaking or damaged master cylinders causing brake fluid loss
• Addresses brake pedal sinking or sponginess due to internal wear
• Resolves sensor-related brake warning light issues
• Improves overall brake system reliability on Ford Windstar models

Installation Notes and Tips

Installation of the Dorman M390395 master cylinder requires basic brake system knowledge and tools. Since mounting hardware is not included, retain or source the original fasteners. Ensure the brake fluid reservoir is properly filled and free of contaminants before bleeding the brake system to remove air. Verify sensor connections are secure to maintain accurate brake system monitoring. Follow manufacturer torque specifications for outlet fittings to prevent leaks.

Quality Assurance and Warranty

Dorman manufactures this brake master cylinder to meet or exceed OEM standards for fit, form, and function. The aluminum construction and integrated sensor contribute to long-term durability and reliable brake system performance. While specific warranty details are not provided here, Dorman typically offers limited warranties on their brake hydraulic components. Consult product documentation or the supplier for exact warranty terms.