Genuine OEM Volkswagen Evaporator Expansion Valve, part number 6RF820679. This critical valve precisely regulates the flow of refrigerant into the evaporator, controlling the cooling process and maintaining optimal cabin temperature. It is situated at the inlet of the A/C evaporator assembly. Weighing 0.17 kg, this compact valve measures approximately 8.5 cm long, 4.5 cm wide, and 4.2 cm high. Using a genuine OEM expansion valve ensures accurate calibration, proper refrigerant metering, and reliable performance of the air conditioning system.