This 5-wire wide-band oxygen sensor fits select 2004-2024 Audi, Ford, Porsche, Seat and other applications and measures the exhaust air-fuel ratio across a broad range so the engine computer can meter fuel precisely. A built-in heater brings the element to operating temperature quickly after a cold start.

Walker Products 350-35067 Oxygen Sensor Features:

• Fits 2004-2013 Audi A3; 2007-2015 Audi Q7; 2007-2009 Audi S8; 2008-2016 Audi A8 Quattro, Volkswagen Crafter Van; 2008-2011 Audi S6; 2008-2009 Audi TT Quattro
• Fits 2009-2016 Audi A4, A4 Quattro; 2009-2015 Audi R8; 2010-2016 Audi A5, Porsche Panamera; 2010-2017 Audi A5 Quattro; 2011-2015 Audi A1, Seat Ibiza; 2011-2017 Audi Q5
• Also fits select Audi, Ford, Porsche, Seat and Volkswagen applications
• Sensor locations by application: B1S1, B1S2, B2S1 (bank and sensor number)
• Used in both upstream and downstream positions, depending on application
• 5-wire wide-band oxygen sensor
• Built-in heater for fast warm-up
• M18x1.5 threaded mounting with a 22 mm hex, 750 mm (29.5 in.) overall length
• Male oblong connector at the harness end
• Platinum electrode layer with a protective coating against combustion residue