Dorman M390185 Brake Master Cylinder

Overview of Dorman Brake Master Cylinder M390185

The Dorman Brake Master Cylinder M390185 is designed specifically for Ford Mustang models, providing reliable brake hydraulics performance. This master cylinder features an aluminum construction and includes a reservoir and sensor to ensure proper brake fluid management and system monitoring.

• Master cylinder bore diameter: 1.063 inches
• Constructed from durable aluminum material
• Includes reservoir and sensor for brake fluid control
• Two outlets with rearward outlet size M10 x 1.0 and secondary outlet thread diameter M12 x 1.0
• Thread pitch of 1.0 for secure connections
• Mounting hardware not included

Detailed Product Description

The Dorman M390185 brake master cylinder is engineered to meet the specific hydraulic requirements of Ford Mustang vehicles. Its aluminum body offers corrosion resistance and strength, while the 1.063-inch bore diameter ensures proper fluid displacement for effective braking. The included reservoir allows for adequate brake fluid storage, and the integrated sensor provides real-time monitoring of fluid levels or pressure, enhancing safety and system diagnostics. Featuring two outlets with precise thread sizes (M10 x 1.0 rearward outlet and M12 x 1.0 secondary outlet), this master cylinder supports secure and leak-free brake line connections.

Common Applications and Problem Resolution

• Restores proper brake fluid pressure and pedal feel
• Replaces worn or leaking master cylinders causing brake fluid loss
• Addresses brake warning light issues related to sensor failure
• Eliminates spongy or unresponsive brake pedal performance
• Resolves brake system leaks due to damaged or corroded master cylinder

Installation Notes and Tips

Installation of the Dorman M390185 brake master cylinder requires careful attention to brake line connections and proper bleeding of the brake system to remove air. Since mounting hardware is not included, retain original fasteners or acquire compatible hardware before installation. Verify thread pitch and outlet sizes to ensure compatibility with existing brake lines. It is recommended to inspect related brake components during installation for optimal system performance.

Quality Assurance and Warranty

Dorman manufactures the M390185 brake master cylinder to meet or exceed OEM specifications for Ford Mustang brake hydraulics. The aluminum construction and integrated sensor contribute to long-term durability and reliable operation. While specific warranty details should be confirmed at the point of purchase, Dorman typically offers limited warranties covering defects in materials and workmanship.