[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): BUICK: 2011-16 LaCrosse, 2006-07 Rainier, 2011-17 Regal; CADILLAC: 2006-09 STS Compatible with (continued): CHEVROLET: 2006-12 Colorado, 2014 Impala, 2013-14 Malibu, 2006-09 Trailblazer, 2006 Trailblazer EXT; GMC: 2006-12 Canyon, 2006-09 Envoy, 2006 Envoy XL; HUMMER: 2006-10 H3, 2009-10 H3T; ISUZU: 2006-08 Ascender Compatible with (continued): ISUZU: 2006 i-280, 2007-08 i-290, 2006 i-350, 2007-08 i-370; SAAB: 2006-09 9-7x