[INNOVATIVE TECHNOLOGY] - Every Bosch Oxygen Sensor benefits from the technological and manufacturing experience gained from decades of production since first inventing the Oxygen Sensor in the late 1960's, ensuring long-lasting performance [FACTORY TESTED] - Seared appearance of protection tube is a result of a 100 percent fully functional quality test to ensure every Bosch manufactured sensor meets Bosch's rigorous standards for quality and performance [STAINLESS STEEL BODY] - Exclusive double laser-welded stainless steel body is totally submersible and sealed tight to protect against damage from exhaust emissions - ensuring longer sensor service life [FAST ACTING HEATER] - Fast-acting heater optimizes sensor operation on Planar and 3, 4, and 5 wire Thimble type sensors allowing the oxygen sensor to reach its operating temperature quicker - within seconds - for optimum performance [READY TO INSTALL] - True Direct-fit OE connectors and harnesses, along with threads pre-coated with anti-seize compound right out of the box, make installation simple and easy Compatible with select vehicles (Note: engine may affect fitment - verify specific fitment details, including sensor position, with fit checker above): AUDI: 2006-13 A3, 2009-13 A3 Quattro, 2009-16 A4, 2013-16 A4 Allroad, 2009-16 A4 Quattro Compatible with (continued): AUDI: 2010-14 A5, 2010-17 A5 Quattro, 2012-15 A6, 2013-15 A6 Quattro, 2012-14 A8 Quattro, 2013-16 Allroad, 2015-18 Q3, 2015-18 Q3 Quattro, 2011-17 Q5, 2012-13 TT RS Quattro; BENTLEY: 2011-18 Cayenne Compatible with (continued): VOLKSWAGEN: 2012-14 Beetle, 2009-17 CC, 2007-16 Eos, 2010-14 Golf, 2006-14 GTI, 2005-14 Jetta, 2006-10,2012-14 Passat, 2009-10 Passat CC, 2006-09 Rabbit, 2009-17 Tiguan, 2017-18 Tiguan Limited, 2011-15 Touareg