Genuine Audi Knuckle Upper Control Arm Bolt N10491802.

Will fit the following:

2012 Audi A4 Base 2.0L L4 - Gas

2012 Audi A4 Quattro Avant, Base 2.0L L4 - Gas

2012 Audi A5 Cabriolet 2.0L L4 - Gas

2012 Audi A5 Quattro Base, Cabriolet 2.0L L4 - Gas

2012 Audi S4 Base 3.0L V6 - Gas

2012 Audi S5 Base, Cabriolet 3.0L V6 - Gas, 4.2L V8 - Gas

2011 Audi A4 Base 2.0L L4 - Gas

2011 Audi A4 Quattro Avant, Base 2.0L L4 - Gas

2011 Audi A5 Cabriolet 2.0L L4 - Gas

2011 Audi A5 Quattro Base, Cabriolet 2.0L L4 - Gas

2011 Audi A8 Quattro Base, L 4.2L V8 - Gas

2011 Audi S4 Base 3.0L V6 - Gas

2011 Audi S5 Base, Cabriolet 3.0L V6 - Gas, 4.2L V8 - Gas

2010 Audi A4 Base 2.0L L4 - Gas

2010 Audi A4 Quattro Avant, Base 2.0L L4 - Gas

2010 Audi A5 Cabriolet 2.0L L4 - Gas

2010 Audi A5 Quattro Base, Cabriolet 2.0L L4 - Gas, 3.2L V6 - Gas

2010 Audi S4 Base 3.0L V6 - Gas

2010 Audi S5 Base, Cabriolet 3.0L V6 - Gas, 4.2L V8 - Gas

2009 Audi A4 Base, Cabriolet 2.0L L4 - Gas

2009 Audi A4 Quattro Avant, Base, Cabriolet 2.0L L4 - Gas, 3.2L V6 - Gas

2009 Audi A5 Quattro Base 3.2L V6 - Gas

2009 Audi S5 Base 4.2L V8 - Gas

2008 Audi A5 Quattro Base 3.2L V6 - Gas

2008 Audi S5 Base 4.2L V8 - Gas