✅【Universal Compatibility 1】: Designed for Chevy Silverado 1500（ 2002-2006 5.3L ;1999/2001/2002/2013 4.3L；1999–2013 4.8L/5.3L；2003-2013 6.0L；2009-2013 6.2L；2009-2013 6.2L）, Silverado 1500 Classic (2007 4.3L/4.8L/5.3L/6.0L), Silverado 1500HD (2001-2003,2005-2006 6.0L) , Silverado 2500 (2002-2004 5.3L；1999-2004 6.0L ) , Silverado 2500 HD（ 6.0L，2001–2010 ) , Silverado 3500 (2001-2006 6.0L ), Silverado 3500 HD (2007-2010 6.0L ), Suburban 1500（2000–2002/2007-2014 5.3L；2006 6.0L), Suburban 2500 (2000-2006 / 2009-2010 6.0L), Tahoe（ 2000–2006 4.8L；2000–2014 5.3L；2008-2009 6.2L ), Avalanche（ 2007–2013 5.3L；2007-2009 6.0L),Avalanche 1500 (2002-2006 5.3L ) ,Hummer H2（2003–2007 6.0L,(2008-2009 6.2L) ✅【Universal Compatibility 2】: GMC Sierra 1500（2001–2003/2005 4.3L ；1999,2002-2013 4.8L；2002-2013 6.0L；2007-2013 6.2L),Sierra 1500 Classic （2007 4.3L/4.8L/5.3L/6.0L）,Sierra 1500 HD (2006 6.0L ),Sierra 2500 (1999-2014 6.0L), Sierra 2500 HD（2003-2010 6.0L）,Sierra 3500 (2001-2006 6.0L ),Sierra 3500 HD/HD Classic (2007 6.0L ),Yukon（2000–2009 4.8L；2000-2014 5.3L；2001-2006 6.0L；2007-2014 6.2L ）,ukon XL 1500（2000–2014 5.3L；2001-2009 6.0L；2007-2014 6.2L）,Yukon XL 2500 (2000-2013 6.0L),Cadillac Escalade（2002–2005 5.3L；2002-2013 6.0L；2007-2014 6.2L）, Escalade ESV (2003-2006 6.0L；2007-2014 6.2L), Escalade EXT (2002-2006 6.0L；2007-2013 6.2L ) ✅ 【OE Numbers & Specifications】:① Core Height: 34 Inch; ②Core Thickness: 1.26 inch; ③ Core Width: 17-1/2 inch; ④ Inlet Diameter: 1-5/16 inch ; ⑤ Outlet Diameter: 1-9/16 inch . OEM part number is 2370, CU2370, 15841569, 22840115. Ensures seamless installation and optimal performance. ✅【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. COOLYEE 34" Full Aluminum Radiator is designed for Chevy Silverado 1500（ 2002-2006 5.3L ;1999/2001/2002/2013 4.3L；1999–2013 4.8L/5.3L；2003-2013 6.0L；2009-2013 6.2L；2009-2013 6.2L）, Silverado 1500 Classic (2007 4.3L/4.8L/5.3L/6.0L), Silverado 1500HD (2001-2003,2005-2006 6.0L) , Silverado 2500 (2002-2004 5.3L；1999-2004 6.0L ) , Silverado 2500 HD（ 6.0L，2001–2010 ) , Silverado 3500 (2001-2006 6.0L ), Silverado 3500 HD (2007-2010 6.0L ), Suburban 1500（2000–2002/2007-2014 5.3L；2006 6.0L), Suburban 2500 (2000-2006 / 2009-2010 6.0L), Tahoe（ 2000–2006 4.8L；2000–2014 5.3L；2008-2009 6.2L ), Avalanche（ 2007–2013 5.3L；2007-2009 6.0L),Avalanche 1500 (2002-2006 5.3L ) ,Hummer H2（2003–2007 6.0L,(2008-2009 6.2L),GMC Sierra 1500（2001–2003/2005 4.3L ；1999,2002-2013 4.8L；2002-2013 6.0L；2007-2013 6.2L),Sierra 1500 Classic （2007 4.3L/4.8L/5.3L/6.0L）,Sierra 1500 HD (2006 6.0L ),Sierra 2500 (1999-2014 6.0L), Sierra 2500 HD（2003-2010 6.0L）,Sierra 3500 (2001-2006 6.0L ),Sierra 3500 HD/HD Classic (2007 6.0L ),Yukon（2000–2009 4.8L；2000-2014 5.3L；2001-2006 6.0L；2007-2014 6.2L ）,ukon XL 1500（2000–2014 5.3L；2001-2009 6.0L；2007-2014 6.2L）,Yukon XL 2500 (2000-2013 6.0L),Cadillac Escalade（2002–2005 5.3L；2002-2013 6.0L；2007-2014 6.2L）, Escalade ESV (2003-2006 6.0L；2007-2014 6.2L), Escalade EXT (2002-2006 6.0L；2007-2013 6.2L ) . Manufactured to ISO/IATF16949 standards, it ensures reliable, long-lasting performance as a direct replacement. The high-grade aluminum core and plastic tanks offer superior corrosion resistance and efficient heat dissipation, maximizing cooling efficiency in extreme conditions. Encased in robust, shock-resistant packaging, the radiator undergoes 100% leak testing for flawless performance. Easy to install with clear OE-style instructions, this radiator fits automatic transmission models without an engine oil cooler. COOLYEE provides a lifetime warranty and 24/7 customer support for your peace of mind.