Dorman M390251 Brake Master Cylinder

Reliable Brake Master Cylinder for Chrysler, Dodge, and Plymouth

The Dorman M390251 brake master cylinder is designed to restore proper brake function in Chrysler, Dodge, and Plymouth vehicles. Engineered with an aluminum body and integrated reservoir, this master cylinder ensures consistent hydraulic pressure for safe braking performance.

• Master cylinder bore diameter: 0.875 inches for precise hydraulic control
• Durable aluminum construction for corrosion resistance and longevity
• Includes reservoir and sensor for complete brake system integration
• Four outlets with rearward outlet size of (2) 7/16-24 and secondary outlet thread diameter of (2) 3/8-24
• Compatible with Chrysler Breeze, Dodge Cirrus, Plymouth Sebring, and Dodge Stratus models

Product Details and Specifications

The Dorman M390251 brake master cylinder features a 0.875-inch bore diameter, which is critical for maintaining the correct hydraulic pressure within the brake system. Constructed from aluminum, this master cylinder offers enhanced durability and resistance to corrosion compared to traditional materials. The included reservoir allows for proper brake fluid storage, while the integrated sensor supports brake system monitoring and safety functions. With four outlets, including two rearward outlets sized at 7/16-24 and two secondary outlets at 3/8-24 thread diameter, this master cylinder is designed to meet the specific hydraulic requirements of your vehicle's braking system.

Compatible Vehicles and Applications

This brake master cylinder is compatible with several Chrysler, Dodge, and Plymouth models, including the Chrysler Breeze, Dodge Cirrus, Plymouth Sebring, and Dodge Stratus. It is an appropriate replacement part for vehicles requiring a master cylinder with these specifications and outlet configurations.

• Restores proper brake pedal feel and hydraulic pressure
• Addresses brake fluid leaks from a worn or damaged master cylinder
• Resolves brake warning light issues related to sensor failure
• Improves brake system responsiveness and safety
• Replaces master cylinders with corroded or damaged aluminum bodies

Installation Notes and Tips

When installing the Dorman M390251 brake master cylinder, ensure the brake fluid reservoir is properly filled and free of contaminants. Bleed the brake system thoroughly to remove air pockets and verify that all outlet connections match the vehicle’s brake line fittings. Since mounting hardware is not included, retain the original hardware or source compatible fasteners for secure installation. Proper sensor connection is essential for accurate brake system monitoring.

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 reliable brake system performance. While specific warranty details are not provided, Dorman products typically come with a limited warranty covering defects in materials and workmanship.