TRW PMN222 Brake Master Cylinder

Reliable Brake Master Cylinder for Land Rover Discovery

The TRW PMN222 brake master cylinder is engineered to provide consistent hydraulic pressure for your Land Rover Discovery's braking system. Designed with precision, this aluminum master cylinder ensures durability and reliable performance under demanding conditions.

• Constructed from durable aluminum for long-lasting use
• Includes dust boot and gasket/seal for protection and leak prevention
• Features a straight bore type with a 26.99 mm bore diameter
• Equipped with two pistons and two ports for efficient brake fluid flow
• Compatible with Land Rover Discovery models requiring M12 - 1.0 primary outlet thread size

Technical Details and Specifications

The TRW PMN222 brake master cylinder is designed without a reservoir or brake booster, focusing on core hydraulic functionality. It includes a dust boot to protect internal components from contaminants and a gasket or seal to maintain system integrity. The master cylinder features two mounting holes for secure installation and a straight bore type with a precise 26.99 mm diameter, ensuring proper fit and function. With two pistons and two ports, it supports efficient brake fluid distribution. Note that mounting hardware, push rod, bleeder screw, bleeder hoses, and sensors are not included with this part.

Compatible Applications and Common Uses

This brake master cylinder is specifically compatible with Land Rover Discovery vehicles. It is designed to address several brake system issues, including:

• Loss of hydraulic pressure causing spongy brake pedal feel
• Brake fluid leaks around the master cylinder area
• Reduced braking efficiency due to worn or damaged pistons
• Brake pedal sinking or failure to maintain pressure
• Contamination of brake fluid affecting system performance

Installation Notes and Tips

When installing the TRW PMN222 brake master cylinder, ensure the mounting surface is clean and free of debris. Use the existing mounting hardware as this part does not include it. Properly install the included gasket or seal to prevent leaks. Bleeding the brake system thoroughly after installation is essential to remove air and restore optimal brake function. Verify compatibility with your Land Rover Discovery model before installation.

Quality Assurance and Warranty Information

Manufactured by TRW, a recognized name in automotive brake components, the PMN222 brake master cylinder is built to meet OEM standards for fit and function. The aluminum construction offers corrosion resistance and durability. While specific warranty details are not provided, TRW products typically come with manufacturer-backed quality assurance to support reliable operation in your Land Rover Discovery.