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

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

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

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

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

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

Delphi Rear Right Oxygen (O2) Sensor for 2003-2004 Audi A6 Quattro 2.7L 3.0L nz

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