Upstream Air Fuel Ratio O2 Oxygen Sensor For Audi A4 A8 TT Quattro 1.8L 4.2L

Downstream O2 Oxygen Sensor Fit For 2005-2011 Audi A6 Quattro 4.2L 022906262CE

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2pcs Downstream L+R Oxygen Sensor For Audi A6 A8 Quattro RS5 S5 4.2L V8 234-4485

234-5115 Air Fuel Ratio O2 Oxygen Sensor for Audi A4 A8 TT Quattro 1.8L 4.2L VW

For Audi 00-04 A6 Quattro RS6 4.2L O2 Oxygen Sensor Downstream Right 234-4845

Lambda O2 Oxygen Sensor 17056 For 2013-2015,2018 Audi A8 Quattro Base 4.0L

02 Oxygen O2 Sensor Upstream for Audi 00-04 A6 Quattro 4.2L 00-01 A4 2.8L