This engine coolant thermostat cover is compatible with select A4, A5, A6, A7, A8, Q5, and Q7 models equipped with 3.0T engines from 2010 to 2019.It replaces OEM part numbers 06E121161BB, 06E121161AN, and 06E121161AQ.The package includes one thermostat cover and one gasket.Constructed from aluminum and plastic, this component is engineered to support proper coolant flow and help maintain consistent engine operating temperatures.Compatible vehicles include: 2009–2016 A4L 3.0T, 2008–2015 A4/Avant 3.0T, 2013–2015 A4/S4 Avant 3.0T, 2010–2017 A5/S5 Cabriolet 3.0T, 2008–2016 A5/S5 Coupe/Sportback 3.0T, 2005–2019 A6L 3.0T, 2007–2018 A6 Allroad 3.0T, and 2009–2018 A6/Avant 3.0T.