Chevrolet Colorado L4 L5 2.8L/2.9L/3.5L/3.7L 2004-2012 Chevrolet Trailblazer 4.2L 2002-2009 Chevrolet Trailblazer EXT 4.2L 2002-2006 Buick Rainier L6 256 4.2L 2004-2007 GMC Canyon L4 L5 2.8L, 3.5L, 2.9L, 3.7L 2004-2012 GMC Envoy 4.2L 2002-2009 GMC Envo