Compatibility: 2005 Audi A4 3.0L 2005-2006 Audi A4 Quattro 3.0L 2005-2009 Audi A8 Quattro 6.0L 2004-2006 Audi TT Quattro 3.2L 2004-2006 Porsche Cayenne 3.2L 2003-2006 Porsche Cayenne 4.5L 2002-2005 Volkswagen Golf 2.8L 2004 Volkswagen Golf 3.2L 2002-2004 Volkswagen Jetta 2.8L 2002-2004 Volkswagen Passat 4.0L 2004-2006 Volkswagen Phaeton 6.0L 2004-2006 Volkswagen Touareg 3.2L Q&A: Q:What is Differences Between upstream and downstream O2 Sensor? .
