The GM 15838718 Brake Master Cylinder Pressure Sensor is a genuine GM part designed for vehicles like the Avalanche, Silverado, and Yukon. This sensor features a screw-in mounting style with a plastic and metal construction, suitable for placement in the engine compartment. It has a ring terminal type and requires a 3-wire connection with a female connector. The sensor is easy to install and offers a direct fit, ensuring accurate brake fluid pressure readings to help maintain optimal brake performance. Please note that this product may contain materials that are known to the state of California to cause cancer and reproductive harm.