✅【Universal Compatibility 1】：Designed for Avalanche (2007-2013 5.3L , 2007-2009 5.3L / 6.0L ),Avalanche 1500 (2002-2006 5.3L );Cheyenne (2007-2010 5.3L , 2010-2013 5.3L, 2012 5.3L );Silverado 1500 (1999-2013 4.3L , 5.3L , 1999-2009 4.8L , 2002-2013 5.3L ,2003-2009 6.0L ,2009-2013 6.2L , 2010-2013 4.8L ),Silverado 1500 Classic (2007 4.3L / 4.8L /5.3L /6.0L ),Silverado 1500 HD (2001-2006 6.0L ),Silverado 1500 HD Classic (2007 6.0L ),Silverado 2500 (1999-2009 5.3L / 1999-2004 6.0L / 2002 6.0L , 6.0L / 2006-2009 4.8L / 2010-2013 4.8L / 5.3L ),Silverado 2500 HD (2001-2010 6.0L / 2002 6.0L ),Chevrolet Silverado 2500 HD (2002-2005 6.0L; 2007 6.0L; 2010 6.0L) ✅【Universal Compatibility 2】：Designed for Chevrolet Silverado 3500 (2001-2006 6.0L; 2003-2005 6.0L; 2005-2007 5.7L; 2008-2010 6.0L; 2007 6.0L; 2010 6.0L),Chevrolet Sonora (2003-2006 5.3L),Chevrolet Suburban 1500 (2000-2009 5.3L; 2002-2014 5.3L; 2006-2009 6.0L; 2013 5.3L),Chevrolet Suburban 2500 (2000-2009 6.0L; 2010-2013 6.0L; 2013 6.0L),Chevrolet Tahoe (2000-2009 4.8L; 2000-2009 5.3L; 2002-2014 5.3L; 2008 6.2L; 2009 6.2L; 2011-2014 5.3L),Chevrolet Silverado 1500 (2004-2006 5.3L; 2009 6.0L; 2007 5.3L).GMC Sierra (2007-2009 5.3L; 2008 6.2L; 2009-2013 6.2L; 2010-2013 5.3L).GMC Sierra 1500 (1999-2013 5.3L; 2001-2005 4.3L; 2001-2009 6.0L; 2002-2013 4.8L; 2007-2013 6.2L). ✅【Universal Compatibility 3】：Designed for GMC Sierra 1500 Classic (2007 4.3L, 4.8L, 5.3L, 6.0L).Sierra 1500 HD (2001-2006 6.0L).Sierra 1500 HD Classic (2007 6.0L).Sierra 2500 (1999-2000 5.3L; 1999-2004 6.0L).Sierra 2500 HD (2001-2010 6.0L).Sierra 2500 HD Classic (2007 6.0L).Sierra 3500 (2001-2006 6.0L).Sierra 3500 Classic (2007 6.0L).Sierra 3500 HD (2007-2010 6.0L).Yukon (1995-2000 5.7L; 2000-2009 4.8L & 5.3L; 2001-2014 6.0L & 6.2L).Yukon XL 1500 (2000-2014 5.3L, 6.0L & 6.2L).Yukon XL 2500 (2000-2013 6.0L).Sierra 1500 (Hybrid) (2005-2006 5.3L; 2009-2013 6.0L).Sierra 1500 Classic (Hybrid) (2007 5.3L). ✅【Universal Compatibility 4】：Designed for Cadillac Escalade (2002-2006 5.3L, 6.0L; 2007-2008, 2010, 2013-2014 6.2L; 2009-2014 6.2L).Escalade ESV (2003-2006 6.0L; 2007-2008, 2013-2014 6.2L; 2009-2014 6.2L).Escalade EXT (2002-2006 6.0L; 2007-2008, 2013 6.2L; 2009-2013 6.2L).Escalade (Hybrid) (2010-2013 6.0L).Hummer H2 (2003-2007 6.0L; 2008 6.2L; 2009 6.2L).Please carefully verify the adaptation information. ✅【OE Numbers & Specifications】① Core Height: 34 Inch; ②Core Thickness: 1 inch; ③ Core Width: 17.25 inch; ④ Inlet Diameter: 1.31 inch ; ⑤ Outlet Diameter: 1.56 inch .OEM part number is 2423, CU2423, 8012423, 15193108, 15252638, 15841571, 19256745, 19256746, 52486595, 52487604, 22840117 ✅【Reliable All-Weather Cooling & Durability】：The COOLYEE radiator combines a leak-proof, pressurized design with a high-performance all-aluminum build for ultimate dependability. Crafted from corrosion-resistant aluminum, it ensures superior cooling efficiency and unmatched durability. This powerful combination eliminates coolant leaks, enhances heat dissipation to protect your engine under heavy loads, and operates flawlessly in all driving conditions for complete peace of mind. ✅【Confidence-Backed Warranty & Support】COOLYEE stands behind its radiators with a one-year unlimited-mileage warranty and 24/7 customer support. Each radiator is rigorously tested for reliability and durability in extreme conditions, ensuring long-lasting performance. Trust COOLYEE to keep your vehicle running smoothly and efficiently The COOLYEE 34" Full Aluminum Radiator is designed for 2007-2013 Chevrolet Avalanche 5.3L，2007-2009 Chevrolet Avalanche 6.0L，2002-2006 Chevrolet Avalanche 1500 5.3L，2002/2006-2013 Chevrolet Silverado 1500 4.3L ，2003-2013 Chevrolet Silverado 1500 4.8L，1999-2013 Chevrolet Silverado 1500 5.3L，2005-2009 Chevrolet Silverado 1500 6.0L，2009-2013 Chevrolet Silverado 1500 6.2L，2007 Chevrolet Silverado 1500 Classic 4.3L，2007 Chevrolet Silverado 1500 Classic 4.8L，2007 Chevrolet Silverado 1500 Classic 5.3L，2007 Chevrolet Silverado 1500 Classic 6.0L，2001-2003/2005-2006 Chevrolet Silverado 1500 HD 6.0L，2007 Chevrolet Silverado 1500 HD Classic 6.0L，2011-2013 Chevrolet Silverado 2500 4.8L ，1999-2000/2003-2013 Chevrolet Silverado 2500 5.3L ，1999-2000 Chevrolet Silverado 2500 6.0L ，2000-2014 Chevrolet Suburban 1500 5.3L ，2000 Chevrolet Suburban 2500 6.0L ，2000-2009 Chevrolet Tahoe 4.8L ，2000-2014 Chevrolet Tahoe 5.3L ，2008-2009 Chevrolet Tahoe 6.2L.2005-2013 GMC Sierra 1500 4.3L ，2005-2013 GMC Sierra 1500 4.8L ，2002-2013 GMC Sierra 1500 5.3L ，2005-2009GMC Sierra 1500 6.0L ，2007-2013 GMC Sierra 1500 6.2L ，2007 GMC Sierra 1500 Classic 4.3L ，2007 GMC Sierra 1500 Classic 4.8L ，2007GMC Sierra 1500 Classic 5.3L ，2007 GMC Sierra 1500 Classic 6.0L ，2001-2003/2005-2006 GMC Sierra 1500 HD 6.0L ，2007 GMC Sierra 1500 HD Classic 6.0L ，1999-2000 GMC Sierra 2500 5.3L ，1999-2000 GMC Sierra 2500 6.0L ，2000-2009 GMC Yukon 4.8L ，2000-2014 GMC Yukon 5.3L ，2001-2006/2010-2013 GMC Yukon 6.0L ，2007-2014 GMC Yukon 6.2L ，2000-2014 GMC Yukon XL 1500 5.3L ，2