Genuine OEM Volkswagen Expansion Valve, part number 7N0820712A. This expansion valve is designed to precisely control the flow of refrigerant into the evaporator, which is essential for regulating the temperature within the vehicle's cabin. It is located at position 9 in the diagram. The expansion valve weighs 0.207 kg. Genuine OEM expansion valves are manufactured to strict tolerances, ensuring accurate refrigerant metering and consistent cooling performance.