Delphi Rear Left Oxygen (O2) Sensor for 2004-2009 Audi S4 4.2L V8 - O2 en

Delphi Rear Right Oxygen (O2) Sensor for 2004-2006 Audi A8 Quattro 4.2L V8 - kr

Delphi Rear Left Oxygen (O2) Sensor for 2004-2006 Volkswagen Touareg 4.2L V8 yb

Delphi Rear Left Oxygen (O2) Sensor for 2004-2006 Audi A8 Quattro 4.2L V8 - sw

Facet Rear Right Oxygen (O2) Sensor for 2004-2009 Audi S4 4.2L V8 - O2 dr

Delphi Rear Right Oxygen (O2) Sensor for 2002-2004 Audi A4 3.0L V6 - O2 ty

Delphi Rear Right Oxygen (O2) Sensor for 2002-2004 Audi A6 3.0L V6 - O2 hi

Delphi Rear Right Oxygen (O2) Sensor for 2002-2004 Audi A4 Quattro 3.0L V6 - on