Audi a5 q5 3.2L Single Drive Belt 6Kx2405 OEM Mitsuboshi Serpentine Drive Belt - 6K X 2405 Mitsuboshi part# (06E 903 137 AC). Recently made by MITSUBOSHI (OEM) Fits: (2009-2009): A4 Quattro Sedan 3.2L Fits: (2008-2010): A5 Quattro 3.2L Fits: (2009-2012): Q5 3.2L