2000-2002 AUDI A8 QUATTRO 4.2L - Oxygen O2 Sensor - PRE CAT Upstream

2004-2007 AUDI A8 QUATTRO 4.2L - LEFT Oxygen O2 Sensor - POST CAT Downstream

2004-2007 AUDI A8 QUATTRO 4.2L - Right Oxygen O2 Sensor - PRE CAT Upstream

2004-2007 AUDI A8 QUATTRO 4.2L - LEFT Oxygen O2 Sensor - PRE CAT Upstream

2002-2005 AUDI ALLROAD QUATTRO - Oxygen O2 Sensor - POST CAT Downstream

2009-2015 AUDI TTS QUATTRO - REAR Oxygen O2 Sensor - POST CAT Downstream

2004-2007 AUDI A8 QUATTRO 4.2L - Right Oxygen O2 Sensor - PRE CAT Upstream

2006-2009 VW TOUAREG 4.2L - Right Oxygen O2 Sensor - POST CAT Downstream