COMPATIBLE WITH: 2006-2011 Audi A6, 2005-2008 Audi A6 Quattro V6 3.2L, 2009-2011 Audi A6 Quattro Solid Rear Disc; Except Armored. Brake Disc Type: Solid. Brake Disc Thickness [mm]: 12. ISO 9001, ISO 14001, ISO 45001, and ISO 5001 certified for robust quality in all aspects of production.