Engine Coolant Thermostat Housing Assembly for Volkswagen Touareg 079121115BA Plastic Metal Black

Feature: The engine's thermostat regulates the temperature of the engine by controlling coolant flow. A bad or failing thermostat: high temperature reading and engine overheating, low temperature reading and underheated engine, temperature changing erratically, coolant leaks around thermostat housing or under the vehicle. How to fine thermostat: You can find your car's thermostat by starting at the upper radiator hose and following it to where it enters the top of the engine. Automatically adjust the water yield flowing into the radiator according to the temperature of the cooling water, so as to ensure that the engine works within the appropriate temperature range. Good performance, directly replaces the old or broken one. Fitment: for Audi A6 Quattro 2007-2011; for Audi A8 Quattro 2007-2010; for Audi S8 2007-2009; for Audi Q7 2007-2010; for Audi S6 2007-2011; for Volkswagen Touareg 2007-2009.