Dorman M2842 Brake Master Cylinder

Reliable Brake Master Cylinder Replacement for Your Vehicle

The Dorman M2842 brake master cylinder is engineered to restore proper brake hydraulics performance in compatible vehicles. Designed with a durable cast iron construction and a 1.75-inch bore diameter, this master cylinder ensures consistent brake fluid pressure for safe stopping power.

• Cast iron master cylinder material for durability
• 1.75-inch bore diameter for precise hydraulic control
• Includes reservoir for brake fluid storage
• Three outlets with rearward outlet size of 1/2-20 for versatile brake line connections
• Package contains the master cylinder unit only

Product Details and Specifications

The Dorman M2842 brake master cylinder features a cast iron body that withstands the rigors of brake system pressure and heat. Its 1.75-inch bore diameter is designed to provide the correct hydraulic force needed for effective braking. This unit includes an integrated reservoir to hold brake fluid, eliminating the need for a separate component. With three outlets sized at 1/2-20, it supports multiple brake line connections, making it suitable for vehicles requiring this configuration. Note that this master cylinder does not include mounting hardware or sensors.

Common Applications and Problem Resolution

• Restores brake pressure in vehicles experiencing spongy or unresponsive brakes
• Replaces master cylinders with leaks or internal seal failures
• Addresses brake fluid reservoir damage or contamination issues
• Resolves inconsistent brake pedal feel due to worn master cylinder bore
• Suitable for vehicles requiring a 1.75-inch bore diameter master cylinder with three outlets

Installation Notes and Tips

When installing the Dorman M2842 master cylinder, ensure the brake system is properly bled to remove air and maintain hydraulic integrity. Verify compatibility with your vehicle’s brake line fittings, especially the 1/2-20 rearward outlet size. Since mounting hardware is not included, retain or source the necessary components for secure installation. Inspect brake lines and related components for wear during replacement to ensure overall system reliability.

Quality Assurance and Warranty Information

Dorman manufactures the M2842 brake master cylinder to meet or exceed OEM standards for fit and function. The cast iron construction and integrated reservoir contribute to long service life under normal operating conditions. While specific warranty details are not provided here, Dorman products typically come with a limited warranty covering defects in materials and workmanship.