Compatibility: For 2006 Chevrolet Avalanche 1500 5.3L 2009-2012 Chevrolet Colorado 5.3L 2006-2007 Chevrolet Silverado 1500 5.3L 2006 Chevrolet Suburban 1500 5.3L 2006 Chevrolet Tahoe 5.3L 2009-2012 GMC Canyon 5.3L 2006-2007 GMC Sierra 1500 5.3L 2006 GMC Yukon 5.3L 2006 GMC Yukon XL 1500 5.3L 2008-2010 Hummer H3 5.3L 2009-2010 Hummer H3T 5.3L Benefits: 1.Dual Insulated Protective Cover Prevents premature zirconium sensor wear 2.Laser welded sensor body to keep out contaminants 3.Internal Ceramic Insulation for optimal sensor performance. .