Compatible with A4 (2013–2015), A4 Allroad (2010–2016), A5 (2012–2016), A6 (2011–2018), A6 Allroad (2013–2018), A7 (2011–2018), A8 (2010–2017), Q5 (2009–2017), S4 (2013–2015), S5 (2012–2016), S6 (2011–2018), S8 (2010–2017), RS4 (2013–2016), RS5 (2010–2016), RS6 (2013–2018), RS7 (2014–2018), and A6L C7.This part is a steering gear cover and tie rod cover, matching OEM design for functional replacement.Part numbers: 4G0423831 and 4G0423832A. This component is produced by an independent manufacturer.Brand names are used for compatibility illustration.