2PCS Oxygen O2 Sensor Upstream Downstream Replacement for 2009-2016 Audi A4,

17014 Oxygen O2 Sensor Upstream fit for Audi TT 2001-2006, VW Beetle Golf

2x Upstream&Downstream O2 Oxygen Sensor for 2009 2010 Audi A4 & A4 Quattro 2.0L

2x Upstream+Downstream 02 O2 Oxygen Sensor For 2009-2010 Audi A4 Quattro L4 2.0L

2x Upstream&Downstream O2 Oxygen Sensor for 2009 2010 Audi A4 & A4 Quattro 2.0L

2PCS O2 Oxygen Sensor Upstream and Downstream Compatible with A4/A4 Quattro

MOSTPLUS Oxygen Sensor Upstream Downstream Compatible with Audi A4 A8 TT VW

2pcs Oxygen Sensor O2 for Audi A4 allroad A5 Quattro A6 Q5 2011-2018 2.0L Turbo