Dorman M75818 Brake Master Cylinder

Reliable Brake Master Cylinder for Chrysler and Dodge Vehicles

The Dorman M75818 brake master cylinder is engineered to provide consistent hydraulic pressure for your braking system. Designed specifically for Chrysler and Dodge models including the Challenger, Charger, Imperial, Monaco, Newport, New Yorker, and Town & Country, this master cylinder ensures proper brake function and safety.

• Master cylinder bore diameter: 1.031 inches for precise hydraulic control
• Constructed from durable cast iron for long-lasting performance
• Includes reservoir for brake fluid storage
• Two outlet ports with rearward outlet size 1/2-20 and secondary outlet thread diameter 9/16-20
• Package contains the master cylinder only; mounting hardware not included

Technical Details and Construction

The Dorman M75818 brake master cylinder features a cast iron body that withstands the rigors of brake system pressure and heat. Its 1.031-inch bore diameter is calibrated to deliver consistent hydraulic pressure to the brake calipers or wheel cylinders. The included reservoir allows for proper brake fluid containment and monitoring. With two outlets, this master cylinder supports dual-circuit brake systems, enhancing safety and reliability. The rearward outlet and secondary outlet thread sizes are designed to match factory specifications for Chrysler and Dodge vehicles, ensuring compatibility and ease of installation.

Compatible Chrysler and Dodge Models

This brake master cylinder is compatible with a range of Chrysler and Dodge vehicles, including the Challenger, Charger, Imperial, Monaco, Newport, New Yorker, and Town & Country. When searching for a replacement part, referencing the Dorman part number M75818 will help confirm fitment and specifications for these models.

Common Brake System Issues Addressed

• Brake pedal sinking or sponginess due to master cylinder wear
• Brake fluid leaks from a damaged or corroded master cylinder
• Inconsistent brake pressure affecting stopping performance
• Brake warning light activation related to hydraulic failure
• Reservoir damage or contamination impacting fluid levels

Installation Notes and Tips

Installation of the Dorman M75818 brake master cylinder requires careful attention to brake system bleeding to remove air and ensure proper hydraulic function. Since mounting hardware is not included, reuse existing hardware or acquire compatible fasteners. Verify outlet thread sizes (1/2-20 rearward and 9/16-20 secondary) to ensure proper brake line connections. It is recommended to inspect brake lines and related components during installation for any signs of wear or damage.

Quality Assurance and Warranty

Dorman manufactures the M75818 brake master cylinder to meet or exceed OEM standards for fit, form, and function. The cast iron construction and precise bore diameter contribute to reliable brake system performance. While specific warranty details should be confirmed at the time of purchase, Dorman typically offers limited warranties covering defects in materials and workmanship.