Feature:Use to monitor cooling system temperatures, automatically adjust the fan speed, provide overheating protection.Replace the module in time in if met issue like Engine Overheating, Cooling Fan Not Working, Warning Light, Irregular Fan Operation.Adopt with sturdy metal for good heat resistance and durability, anti-rust and corrosion resistance.Precise circuit design aim for well energy efficiency and low power.Specification:Material: Plastic + Metal Pin Number: 4 OE Number: 7L0959455C/7L0959455F Fitment:for Audi Q7 2007-2015for VW Touareg 2004-2010for Porsche Cayenne 2005-2006for Porsche Cayenne 2008-2010 Installation:1. Cut the battery and allow the engine to cool before working, locate the old module.2.