AC Compressor Electronic Control Valve Accuracy Control Energy Saving AC Compressor Control Valve Replacement for A4 2.0L Engine Item Type: AC Compressor Electronic Control ValveMaterial: Metal + ABSApplication: The AC compressor electronic control valve is a component that regulates the cooling and heating of the vehicle air conditioning system. It controls the automatic opening and closing of the solenoid valve by electromagnetic force to change the air flow to the compressor so that the air conditioner can cool properly.Fitment: For Denso 6SEU14C Compressor Replacement for A4 2.0L Engine only (for Denso 6SEU14C Compressor) 2007-2009 NOTE: This valve is not compatible for Zexel DCS17E Compressor found on some models