Dorman M4360 Brake Master Cylinder

Overview of the Dorman M4360 Brake Master Cylinder

The Dorman M4360 brake master cylinder is a reliable replacement part designed for vehicles requiring a 1-inch bore diameter master cylinder. Constructed from durable cast iron, this component includes a reservoir and features a single outlet with a rearward outlet size of 1/2-20. It is engineered to restore proper brake hydraulics performance in compatible makes and models.

• Master cylinder bore diameter: 1 inch
• Material: Cast iron for durability
• Includes reservoir for fluid storage
• Single outlet design with 1/2-20 rearward outlet size
• Mounting hardware not included
• Part number: M4360

Detailed Product Description

The Dorman M4360 brake master cylinder is crafted from cast iron, providing strength and resistance to wear under high-pressure brake system conditions. The included reservoir allows for proper brake fluid containment and circulation, essential for maintaining hydraulic pressure. With a 1-inch bore diameter, this master cylinder is designed to deliver consistent brake fluid flow through its single outlet, which features a 1/2-20 rearward outlet size for secure hose connection. This part is suitable for vehicles that require these specific dimensions and materials, ensuring compatibility and reliable braking performance.

Common Applications and Issues Addressed

• Restores brake pressure in vehicles with worn or leaking master cylinders
• Eliminates spongy or unresponsive brake pedal feel
• Prevents brake fluid leaks from damaged reservoirs or seals
• Addresses brake system failure due to internal cylinder wear
• Improves overall brake system reliability and safety

Installation Notes and Tips

Installation of the Dorman M4360 brake master cylinder requires proper brake system bleeding to remove air and ensure optimal hydraulic pressure. Since mounting hardware is not included, reuse existing hardware or acquire compatible fasteners. Verify the bore diameter and outlet size match your vehicle’s specifications before installation. It is recommended to consult the vehicle’s service manual for detailed installation procedures and torque specifications.

Quality Assurance and Warranty

Dorman manufactures the M4360 brake master cylinder to meet or exceed OEM standards for fit, form, and function. The cast iron construction ensures durability under demanding conditions. While specific warranty details may vary, Dorman typically offers a limited warranty covering defects in materials and workmanship. Refer to the product documentation for exact warranty terms.