This brake master cylinder is precision-engineered to match the design, function, and performance of the original master cylinder on specific vehicle years, makes and models. It is made of new, high-quality materials for a safe, durable replacement. Vehicle model years this part fits: Audi A4 allroad: 2013, 2014, 2015, 2016, 2017 Audi A4 Quattro: 2013, 2014, 2015 Audi A4: 2013, 2014, 2015 Audi A5 Quattro: 2013, 2014, 2015, 2016, 2017 Audi A5: 2013, 2014, 2015, 2016 Audi A6 Quattro: 2012, 2013, 2014 Audi A6: 2012, 2013, 2014 Audi A7 Quattro: 2012, 2013, 2014 Audi allroad: 2013, 2014, 2015, 2016 Audi S4: 2013, 2014, 2015 Audi S5: 2013, 2014, 2015, 2016, 2017 Audi S6: 2013, 2014 Audi S7: 2013, 2014