Genuine OEM Volkswagen Trailer Towing Socket, part number 3AA945505. This critical electrical component provides the necessary power and signal connections for a trailer, enabling functions such as brake lights, turn signals, and auxiliary power. It is typically mounted at the rear of the vehicle, integrated with the trailer hitch system. Constructed from durable black plastic, it weighs approximately 0.106 kg. Choosing a genuine OEM towing socket ensures correct pin configuration, weather resistance, and robust electrical contacts for safe and reliable trailer operation.