The variable valve timing sprocket is key to ensuring an engine's performance and clean running. Replace a worn factory VVT sprocket with this quality engineered sprocket to restore lost performance. Designed to install and perform like the original. Vehicle model years this part fits: Audi A3 Quattro: 2006, 2007, 2008 Audi A3: 2006, 2007, 2008 Audi A4 Quattro: 2005, 2006, 2007, 2008 Audi A4: 2005, 2006, 2007, 2008 Audi S3: 2008 Audi TT Quattro: 2009, 2010, 2011, 2012, 2013, 2014, 2015 Audi TT: 2007, 2008, 2009 Volkswagen Eos: 2007, 2008, 2009, 2010 Volkswagen Golf R: 2012, 2013, 2015, 2016, 2017, 2018 Volkswagen Golf: 2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015 Volkswagen GTI: 2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016, 2017, 2018 Volkswagen Jetta City: 2007, 2008, 2009 Volkswagen Jetta: 2005, 2006, 2007, 2008 Volkswagen Passat: 2006, 2007, 2008, 2009