Genuine OEM Volkswagen Wiring Set For Engine, part number 036972619AE. This is the primary wiring harness that connects various engine components and sensors to the vehicle's electrical system. It is located within the engine bay, connecting to the engine control unit and other electrical modules. The wiring harness is constructed from durable, insulated copper wires designed to withstand engine bay temperatures and vibrations. Genuine OEM wiring harnesses are manufactured to precise specifications, ensuring reliable electrical connections and proper signal transmission for optimal engine performance and longevity.