Dorman M390447 Brake Master Cylinder

Reliable Brake Master Cylinder for Ford Escort and Mercury Tracer

The Dorman M390447 brake master cylinder is designed specifically for Ford Escort and Mercury Tracer models, providing precise hydraulic control for your vehicle's braking system. This master cylinder features an aluminum construction and includes a reservoir and sensor to ensure consistent performance.

Key Features of the Dorman M390447 Brake Master Cylinder

• Compatible with Ford Escort and Mercury Tracer vehicles
• Master cylinder bore diameter of 0.938 inches for accurate hydraulic pressure
• Durable aluminum material construction for corrosion resistance
• Includes reservoir and sensor for integrated brake fluid management
• Four outlets with rearward outlet sizes M10 x 1.0 and M16 x 1.5
• Secondary outlet thread diameter matches rearward outlet sizes
• Package contains the master cylinder unit only; mounting hardware not included

Detailed Product Description

The Dorman M390447 brake master cylinder is engineered to meet the hydraulic braking needs of Ford Escort and Mercury Tracer models. Its 0.938-inch bore diameter ensures proper fluid displacement and pressure for effective braking response. Constructed from aluminum, this master cylinder offers resistance to rust and wear, extending the service life of your brake system. The included reservoir and sensor facilitate fluid level monitoring and integration with the vehicle’s brake system electronics. With four outlets and standardized thread sizes (M10 x 1.0 and M16 x 1.5), this master cylinder supports reliable brake line connections for both primary and secondary circuits.

Common Applications and Issues Addressed

• Restores proper hydraulic pressure in the brake system
• Replaces leaking or damaged master cylinders causing brake fluid loss
• Resolves spongy or unresponsive brake pedal feel
• Addresses sensor faults related to brake fluid level monitoring
• Improves brake system reliability in Ford Escort and Mercury Tracer vehicles

Installation Notes and Tips

• Ensure compatibility with your specific Ford Escort or Mercury Tracer model year before installation
• Bleed the brake system thoroughly after installation to remove air pockets
• Use appropriate brake fluid as specified by the vehicle manufacturer
• Mounting hardware is not included; reuse existing hardware or source separately
• Check sensor connections for proper operation after installation

Quality Assurance and Warranty Information

Dorman manufactures the M390447 brake master cylinder to meet or exceed OEM specifications for fit and function. The aluminum construction and integrated sensor contribute to long-term durability and reliable brake system performance. While mounting hardware is not included, the product undergoes quality checks to ensure proper operation. Warranty coverage details should be confirmed with the point of purchase or Dorman directly.