Genuine OEM Porsche Rear Axle Brake Wear Harness, part number 958907637. This harness connects the brake wear sensor to the vehicle's electrical system, ensuring accurate monitoring of brake pad thickness. A functioning brake wear harness is essential for timely replacement of brake pads, preventing damage to rotors and ensuring safety. Genuine OEM harnesses are built with durable materials and precise connectors to guarantee reliable electrical contact. This part is located on the rear axle.