Dorman M390429 Brake Master Cylinder

Reliable Brake Master Cylinder for Ford Crown Victoria

The Dorman M390429 brake master cylinder is designed specifically for Ford Crown Victoria models, providing precise hydraulic control for your vehicle's braking system. This aluminum master cylinder includes a reservoir and sensor to ensure optimal performance and safety.

• Master cylinder bore diameter: 1.063 inches for accurate hydraulic pressure
• Constructed from durable aluminum material
• Includes reservoir for fluid storage
• Equipped with a sensor for brake system monitoring
• Three outlets with secondary outlet thread diameter of 10 mm
• Rearward outlet sizes: M10 x 1.0 and M18 x 1.0 thread pitch
• Mounting hardware not included

Product Details and Specifications

The Dorman M390429 brake master cylinder is engineered to meet the hydraulic requirements of the Ford Crown Victoria. Its 1.063-inch bore diameter ensures consistent brake fluid pressure, while the aluminum construction offers corrosion resistance and long service life. The included reservoir simplifies installation and maintenance by providing an integrated fluid storage solution. Additionally, the built-in sensor allows for real-time monitoring of brake fluid levels or pressure, enhancing vehicle safety. The master cylinder features three outlets, including a secondary outlet with a 10 mm thread diameter and rearward outlets sized M10 x 1.0 and M18 x 1.0, all with a 1.0 thread pitch, ensuring compatibility with the vehicle's brake lines.

Common Applications and Problem Resolution

• Restores proper hydraulic pressure in the brake system
• Replaces leaking or damaged master cylinders
• Addresses brake fluid reservoir issues with integrated reservoir design
• Resolves sensor-related brake warning light problems
• Improves brake pedal feel and responsiveness

Installation Notes and Tips

Installation of the Dorman M390429 brake master cylinder requires careful attention to brake line connections and sensor wiring. Since mounting hardware is not included, ensure you have the necessary bolts and fittings before beginning installation. Bleed the brake system thoroughly after installation to remove air and restore proper hydraulic function. Verify sensor connections to maintain accurate brake system monitoring.

Quality Assurance and Warranty

Dorman manufactures this brake master cylinder to meet or exceed OEM specifications for the Ford Crown Victoria. The aluminum construction and integrated sensor contribute to reliable performance and durability. While mounting hardware is not included, the product undergoes quality checks to ensure fit and function. Please refer to Dorman's warranty policy for specific coverage details.