Please check fitment notes & description for accurate information. 2007 Buick Rainier 4.2L 2007-2012 Chevrolet Colorado 2.9L 2007-2012 Chevrolet Colorado 3.7L 2007-2009 Chevrolet Trailblazer 4.2L 2007-2012 GMC Canyon 2.9L 2007-2012 GMC Canyon 3.7L 2007-2010 Hummer H3 3.7L 2009-2010 Hummer H3T 3.7L 2007-2008 Isuzu Ascender 4.2L 2007-2008 Isuzu i-290 2.9L 2007-2008 Isuzu i-370 3.7L 2007-2009 Saab 9-7x 4.2L Oxygen Sensor's Location: How do I know the O2 sensor is good or not? Check engine light on .
