Dorman M39298 Brake Master Cylinder

Overview of the Dorman Brake Master Cylinder for Volvo 240

The Dorman M39298 brake master cylinder is engineered for reliable brake hydraulics performance in Volvo 240 vehicles. Designed with cast iron construction and dual bore diameters, this master cylinder supports consistent braking pressure and durability.

• Compatible with Volvo 240 models
• Cast iron master cylinder material for strength and longevity
• Dual bore diameters: 0.625 inch and 0.875 inch
• Two outlets with rearward outlet size M10 x 1.0 and 10mm secondary outlet thread diameter
• Includes master cylinder only; mounting hardware and reservoir not included

Detailed Product Features and Specifications

The Dorman M39298 brake master cylinder features a cast iron body that provides robust resistance to wear and corrosion, essential for maintaining brake system integrity. It has two bore diameters, 0.625 inch and 0.875 inch, which accommodate the specific hydraulic requirements of the Volvo 240 brake system. The unit includes two outlets, with a rearward outlet thread size of M10 x 1.0 and a secondary outlet thread diameter of 10mm, ensuring proper fluid flow and connection compatibility. This master cylinder does not include a reservoir or mounting hardware, so those components must be sourced separately during installation.

Applications and Common Brake System Issues Addressed

• Replacement for worn or leaking master cylinders in Volvo 240 brake hydraulics
• Restores proper hydraulic pressure for consistent brake pedal feel
• Resolves brake fluid leaks caused by damaged or corroded master cylinders
• Addresses spongy or unresponsive brake pedal issues related to master cylinder failure
• Supports brake system maintenance and safety compliance

Installation Notes and Tips

When installing the Dorman M39298 brake master cylinder on a Volvo 240, ensure the brake system is fully depressurized and fluid is drained to prevent contamination. Since mounting hardware and reservoir are not included, verify compatibility and condition of existing components before installation. Properly torque all fittings to manufacturer specifications and bleed the brake system thoroughly to remove air and ensure optimal hydraulic performance.

Quality Assurance and Warranty Information

Dorman manufactures the M39298 brake master cylinder to meet or exceed OEM standards for fit, form, and function. The cast iron construction supports long-term durability under typical operating conditions. While specific warranty details should be confirmed at the point of purchase, Dorman products generally include a limited warranty against defects in material and workmanship.