47910-35330 Brake Load Sensing Proportional Valve Compensator Fit For Toyota 4791035330 Aluminum Alloy: The residual pressure valve is made of aluminum alloy material, with high strength, chemical resistance and long durability. Easy to Install: The residual brake pressure valve is easy to install, without complex tools, and easy to use. Through preventing fluid from flowing back to the master cylinder, the cylinder oil separator breather valve retains a small amount of pressure within the pipeline. Produced using robust plastic, it resists corrosion and damage, ensuring a prolonged service life., Manufacturer: GAYCLG