The ATE Disc Brake Pad Wear Sensor - 620020 is a high-quality brake pad wear sensor designed for use in disc brake systems. It is compatible with a wide range of vehicles and is made from durable materials to ensure long-lasting performance. This sensor is responsible for detecting when the brake pads are worn down and need to be replaced, providing a warning signal to the driver. It is an essential component for maintaining safe and efficient braking.