Genuine OEM Audi Transmission Gearbox Harness, part number 09G927363A. This essential electrical component is responsible for transmitting critical signals and power between the vehicle's control unit and the transmission, enabling precise gear changes and optimal performance. It weighs approximately 0.16 kg. Choosing a genuine OEM wiring harness ensures correct connector types, wire gauges, and insulation, preventing electrical faults and maintaining reliable communication within the transmission system.