Genuine OEM Volkswagen AC Expansion Valve, part number 2Q0816679C. This critical component regulates the flow of refrigerant into the evaporator, ensuring efficient heat exchange and proper cooling performance. It is typically located at the inlet of the evaporator within the HVAC assembly. Weighing 0.155 kg, this valve is engineered to precise tolerances. Using a genuine OEM expansion valve guarantees accurate refrigerant metering and system pressure control, vital for consistent and reliable air conditioning operation.