Compatibility: for Audi A4 Base Sedan 4-Door 2005-2008 for Audi A4 Cabriolet Convertible 2-Door 2007-2009 for Audi A4 Elite Sedan 4-Door 2007-2007 for Audi A4 S Line Sedan 4-Door 2007-2008 for Audi A4 S Line Sport Sedan 4-Door 2007-2007 for Audi A4 Trendy Sedan 4-Door 2007-2008 for Audi A4 Vangard Sedan 4-Door 2006-2006 for Audi A4 Quattro Avant Wagon 4-Door 2005-2008 for Audi A4 Quattro Base Sedan 4-Door 2005-2008 for Audi A4 Quattro Cabriolet Convertible 2-Door 2007-2009 for Audi A4 Quattro Dtm Sedan 4-Door 2006-2007 for Audi A4 Quattro Elite Sedan 4-Door 2006-2008 for Audi A4 Quattro S Line Sedan 4-Door 2008-2008 for Audi A4 Quattro S Line Sport Sedan 4-Door 2008-2008 for Audi A4 Quattro Trendy Sedan 4-Door 2008-2008 for Audi A4 Quattro Trendy Sedan 4-Door 2008-2008 OE Number:06D121111GFunctionality: Type:Engine Coolant Thermostat Housing Assembly Material:Plastic Color:Black Opening Temperature:87 Advantage: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.Material:Upgrade Plastic material, wear resistance, corrosion resistance and high temperature resistance, for long service life.Package Content:1 Pc Thermostat Housing AssemblyKindly Know:Please check your Car Model or OE Number, reference our product before purchase.