API 99ZB76S Reference Sensor Fits 1998-2005 Audi A4 SERVICE TECH SERVICE TECH

API 69YN51B Reference Sensor Fits 2000-2005 Audi A4 Quattro

API 18FR21F Reference Sensor Fits 1998-2006 Audi A4 Quattro

API 47JK34J Reference Sensor Fits 2005-2009 Audi A4 Quattro Cabriolet 2.0L 4 Cyl

API SERVICE TECH Reference Sensor fits Audi A4 1998-2005 59XKQP

API SERVICE TECH Reference Sensor fits Audi A4 Quattro 2000-2005 15PNRH

API 57DP85V Reference Sensor Fits 1997-2001 Audi A4 Quattro

API 68KN76X Reference Sensor Fits 2001-2006 Audi TT Quattro SERVICE TECH