A-premium control arms are an ideal choice to replace your broken control arms. All control arms meet or exceed OEM specifications. Due to high manufacturing standard, it will come with one year quality guarantee.<br><br> <b>Application:</b><br> Compatible with A4 2009 Sedan Base <br> Compatible with A4 2010 Sedan <br> Compatible with A4 2011 Sedan Prod Date Range To 8/15/11 <br> Compatible with A4 2012 Sedan Production Date Range- Thru 08-15-2011 <br> Compatible with A4 Quattro 2009 Convertible <br> Compatible with A4 Quattro 2009-2010 Sedan <br> Compatible with A4 Quattro 2011-2012 Sedan Prod Date Range To 8/15/11 <br> Compatible with A4 Quattro 2009-2010 Wagon <br> Compatible with A4 Quattro 2011-2012 Wagon Prod Date Range To 8/15/11 <br> Compatible with A5 2010-2012 w/o auto cruise [Front Bumper ;Grille - Lower Grille] RefNum 13 <br> Compatible with A5 2010-2012 Production Date Range- Thru 08-15-2011 <br> Compatible with A5 Quattro 2008-2012 w/o auto cruise [Front Bumper Grille - Lower Grille] RefNum 13 <br> Compatible with A5 Quattro 2011-2012 Prod Date Range To 8/15/11 <br> Compatible with A6 2012 Production Date Range- Thru 08-15-2011 <br> Compatible with A6 Quattro 2012 Prod Date Range To 8/15/11 <br> Compatible with A7 Quattro 2012 Prod Date Range To 8/15/11 <br> Compatible with Q5 2009-2010 <br> Compatible with Q5 2011 Prod Date Range To 8/15/11 <br> Compatible with Q5 2012 Production Date Range- Thru 08-15-2011 <br> Compatible with S4 2010-2011 <br> Compatible with S4 2012 Production Date Range- Thru 08-15-2011 <br> Compatible with S5 2008-2011 w/o auto cruise [Front Bumper Grille - Lower Grille] RefNum 13 <br><br> <b>OEM Number:</b> 521-255, 8K0407151B, 8K0407151C, 8K0407151D<br> <b>Location:</b> Front Left Lower Forward<br><b>Quantity Sold:</b> One Piece