Compatible With A6 2006-2011 R8 2008-2012 S6 Heater Blower Motor Resistor Regulator Part Number 4F0820521A OEM NO 4F0820521A 4F0820521 Item included 1x Blower Motor Resistor Regulator Material Metal and Plastic Compatible with the following models A6 3.0L V6 A T Avant Wagon 2009 2010 2011 A6 3.0L V6 A T Base Sedan 2009 2010 2011 A6 3.2L V6 A T Avant Wagon 2006 2007 2008 A6 3.2L V6 A T Base Sedan 2005 2006 2007 2008 A6 3.2L V6 CVT FWD Base Sedan 2006 2007 2008 2009 2010 2011 A6 4.2L V8 A T Base Sedan 2005 2006 2007 2008 2009 2010 2011 R8 4.2L V8 A T Base Coupe 2014 2015 R8 4.2L V8 A T Convertible 2014 2015 R8 4.2L V8 M T Base Coupe 2008 2009 2010 2011 2012 2014 2015 R8 4.2L V8 M T Convertible 2011 2012 2014 2015 R8 5.2L V10 A T Base Coupe 2014 2015 R8 5.2L V10 A T Plus Coupe 2014 2015 R8 5.2L V10 A T Convertible 2014 2015 R8 5.2L V10 M T Base Coupe 2009 2010 2011 2012 2014 2015 R8 5.2L V10 M T GT Coupe 2012 R8 5.2L V10 M T GT Convertible 2012 R8 5.2L V10 M T Plus Coupe 2014 2015 R8 5.2L V10 M T Convertible 2011 2012 2014 2015 S6 5.2L V10 A T Base Sedan 2007 2008 2009 2010 2011