Dorman M630020 Brake Master Cylinder

Reliable Brake Master Cylinder for Dodge Ram 2500 and 3500

The Dorman M630020 Brake Master Cylinder is engineered to restore proper brake hydraulics in Dodge Ram 2500 and Ram 3500 trucks. Designed with precision, this master cylinder ensures consistent brake fluid pressure for safe and effective braking performance.

• Master cylinder bore diameter of 1.313 inches for accurate hydraulic control
• Durable aluminum construction for corrosion resistance and long service life
• Includes reservoir and sensor for integrated brake fluid management
• Two outlet ports with rearward outlet size M10 x 1.0 and secondary outlet thread diameter M12 x 1.0
• Compatible with Dodge Ram 2500 and Ram 3500 models

Technical Details and Features

The Dorman M630020 brake master cylinder features a 1.313-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. It comes complete with an integrated reservoir and sensor, allowing for seamless monitoring and fluid management. The unit includes two outlets: a rearward outlet sized M10 x 1.0 and a secondary outlet with a thread diameter of M12 x 1.0, both with a thread pitch of 1.0, ensuring compatibility with the brake lines on Dodge Ram 2500 and Ram 3500 trucks. This part does not include mounting hardware, so ensure existing hardware is in good condition before installation.

Common Applications and Problem Resolution

• Restores brake fluid pressure in Dodge Ram 2500 and Ram 3500 brake systems
• Addresses brake pedal sponginess or sinking issues caused by master cylinder wear
• Replaces leaking or damaged master cylinders to prevent brake fluid loss
• Improves brake system responsiveness and safety
• Resolves sensor-related brake warning light issues with included sensor

Installation Notes and Tips

When installing the Dorman M630020 brake master cylinder, verify that the mounting hardware is compatible and in good condition, as it is not included with this part. Properly bleed the brake system after installation to remove air and ensure optimal hydraulic performance. Take care to connect the sensor and brake lines to the correct outlets, matching the M10 x 1.0 rearward outlet and M12 x 1.0 secondary outlet threads. Follow manufacturer torque specifications to avoid damage to the aluminum housing.

Quality Assurance and Warranty

Dorman manufactures the M630020 brake master cylinder to meet or exceed OEM standards for fit, form, and function. The aluminum construction and integrated sensor contribute to reliable operation under demanding conditions. This part is backed by Dorman's limited warranty, providing coverage against defects in material and workmanship for a specified period. Refer to Dorman's warranty documentation for complete details.