Dorman M27304 Brake Master Cylinder

Reliable Brake Master Cylinder for Precise Hydraulic Control

The Dorman M27304 brake master cylinder is engineered to provide consistent hydraulic pressure for your vehicle's braking system. Designed with a durable cast iron construction and a 1.5-inch bore diameter, this master cylinder ensures reliable performance and longevity for compatible makes and models.

• Cast iron master cylinder material for strength and durability
• Includes reservoir for fluid storage and easy maintenance
• Single outlet design with a rearward outlet size of 1/2-20
• Master cylinder bore diameter of 1.5 inches for optimal hydraulic pressure
• Package contains the master cylinder unit; mounting hardware not included

Detailed Product Features and Specifications

The Dorman M27304 brake master cylinder is constructed from cast iron, providing a robust and corrosion-resistant component essential for brake hydraulics. Its 1.5-inch bore diameter is designed to deliver precise hydraulic pressure to the braking system, ensuring consistent pedal feel and stopping power. The included reservoir allows for proper brake fluid storage and monitoring, although this unit does not include a sensor. Featuring a single outlet with a rearward outlet size of 1/2-20, this master cylinder is suitable for specific vehicle applications requiring these specifications.

Compatible Vehicles and Common Applications

This brake master cylinder is compatible with various makes and models that require a 1.5-inch bore diameter and a 1/2-20 rearward outlet size. It is commonly used in vehicles where reliable brake hydraulics are critical for safety and performance. When searching for a replacement part, referencing the Dorman part number M27304 will help ensure proper fitment and compatibility with your vehicle's brake system.

• Restores proper brake pedal pressure and responsiveness
• Addresses brake fluid leaks from a worn or damaged master cylinder
• Eliminates spongy or soft brake pedal feel caused by internal seal failure
• Prevents brake system failure due to master cylinder malfunction
• Replaces a faulty reservoir-integrated master cylinder assembly

Installation Notes and Tips

Installation of the Dorman M27304 brake master cylinder requires careful attention to brake system bleeding procedures to remove air and ensure optimal hydraulic function. Since mounting hardware is not included, retain or source the appropriate bolts and fittings for your vehicle. Verify compatibility with your vehicle’s brake line connections, especially the 1/2-20 rearward outlet size, to ensure a proper seal and fit. Professional installation is recommended for safety and performance assurance.

Quality Assurance and Warranty Information

Dorman manufactures the M27304 brake master cylinder to meet or exceed OEM standards for durability and performance. The cast iron construction and integrated reservoir design contribute to a reliable braking component. While specific warranty details may vary, Dorman typically offers a limited warranty covering defects in material and workmanship. Consult product documentation or the supplier for exact warranty terms.