Dorman M390110 Brake Master Cylinder

Reliable Brake Master Cylinder for Chrysler and Dodge Vehicles

The Dorman M390110 Brake Master Cylinder is designed to restore proper brake function in select Chrysler and Dodge models. Engineered with an aluminum body and a built-in reservoir, this master cylinder ensures consistent hydraulic pressure for safe braking performance.

• Master cylinder bore diameter: 0.938 inches for precise hydraulic control
• Constructed from durable aluminum material for corrosion resistance
• Includes reservoir for fluid storage and easy maintenance
• Two outlet ports with rearward outlet size M10 x 1.0 and secondary outlet thread diameter M12 x 1.0
• Compatible with Chrysler Concorde, Dodge Intrepid, LHS, and New Yorker models

Product Details and Specifications

The Dorman M390110 brake master cylinder features a 0.938-inch bore diameter, which is critical for maintaining the correct hydraulic pressure in the brake system. Its aluminum construction offers strength and resistance to corrosion, extending the part's service life. The included reservoir simplifies brake fluid management, while the two outlet ports with specific thread sizes (M10 x 1.0 rearward outlet and M12 x 1.0 secondary outlet) ensure proper fitment and connection to the brake lines. This master cylinder does not include mounting hardware or sensors, so those components must be sourced separately if needed.

Compatible Vehicles and Applications

This brake master cylinder is compatible with several Chrysler and Dodge models, including the Chrysler Concorde, Dodge Intrepid, LHS, and New Yorker. When searching for a replacement part, using the part number M390110 will help ensure you select the correct master cylinder for these vehicles.

Common Issues Addressed by This Master Cylinder

• Spongy or unresponsive brake pedal
• Brake fluid leaks from the master cylinder or reservoir
• Reduced braking efficiency or uneven brake pressure
• Brake warning light activation due to hydraulic failure
• Contaminated or deteriorated brake fluid reservoir

Installation Notes and Tips

Installation of the Dorman M390110 master cylinder requires careful attention to brake system bleeding to remove air and ensure proper hydraulic pressure. Since mounting hardware is not included, verify that existing hardware is in good condition or obtain replacements as needed. Always use the correct thread sizes (M10 x 1.0 and M12 x 1.0) when connecting brake lines to avoid leaks. It is recommended to inspect related brake components during installation for overall system integrity.

Quality Assurance and Warranty

Dorman parts are manufactured to meet or exceed OEM specifications, providing reliable performance for your Chrysler or Dodge vehicle. The M390110 brake master cylinder undergoes rigorous quality control to ensure durability and proper function. Please refer to Dorman's warranty policy for specific coverage details.