✅【COMPATIBILITY - CHEVROLET MODELS】 Compatible with Chevy Silverado 1500 (4.3L/4.8L/5.3L 1999-2013, 6.0L 2003-2009, 6.2L 2009-2013), Silverado 1500 Classic (2007), Silverado 1500 HD (2001-2006) & HD Classic (2007), Silverado 2500 (1999-2013), Silverado 2500 HD (6.0L 2001-2010), Silverado 3500 (2001-2010). Also fits Avalanche (5.3L 2002-2013, 6.0L 2007-2009), Suburban 1500 (5.3L 2000-2014, 6.0L 2006-2009), Suburban 2500 (6.0L 2000-2013), Tahoe (4.8L/5.3L 2000-2014, 6.2L 2008-2009), Cheyenne (2007-2013) & Sonora (2003-2006). ✅【COMPATIBILITY - GMC MODELS】Compatible with GMC Sierra 1500 (4.3L/4.8L/5.3L/6.0L 1999-2013, 6.2L 2007-2013), Sierra 1500 Classic (2007), Sierra 1500 HD (2001-2006) & HD Classic (2007). Fits Sierra 2500 (1999-2004), Sierra 2500 HD (6.0L 2001-2010), Sierra 3500 (2001-2010). Also compatible with Yukon (4.8L/5.3L 2000-2014, 6.0L 2001-2006, 6.2L 2007-2014), Yukon XL 1500 (5.3L/6.0L/6.2L 2000-2014), and Yukon XL 2500 (6.0L 2000-2013). ✅ 【COMPATIBILITY - CADILLAC & HUMMER】 Compatible with Cadillac Escalade (5.3L 2002-2005, 6.0L 2002-2013, 6.2L 2007-2014), Escalade ESV (6.0L/6.2L 2003-2014), Escalade EXT (2002-2013). Compatible with Hummer H2 (6.0L 2003-2007, 6.2L 2008-2009). Also fits AM General Hummer (1996-2001). IMPORTANT: Please verify your original radiator core width is 34 inches before ordering, as a 28-inch version also exists for these trucks. ✅【SPECIFICATION & OE PART MATCH】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 .High-density aluminum core provides efficient cooling for heavy loads and towing. Replaces OEM Part Numbers: 2371, 15193115, 15177274, 52486596, 52487604, 15193108, 15124631, 15193109, and others. Designed for Automatic Transmission; exact drop-in fit with no drilling required. ✅【BUY WITH CONFIDENCE】Backed by a 1-year unlimited mileage warranty from COOLMODA, each radiator undergoes extensive leak testing before shipment to ensure quality. Our 24/7 support team is ready to assist with any issues, providing prompt and reliable solutions to ensure your satisfaction.Your satisfaction is our top priority. If you are unsure about fitment (especially regarding the CU2370 vs CU2423 difference), please contact us or use Amazon's Confirmed Fit tool to ensure this 34-inch radiator matches your vehicle. Upgrade your cooling system with the COOLMODA CU2370 Aluminum Radiator—precision-engineered for Chevy, GMC, Cadillac, and H2 and SUVs from 1999 to 2014. This high-performance radiator features a 34” full-width aluminum core and 32mm thickness, offering exceptional heat dissipation and reliability.
Whether you're hauling heavy loads, navigating off-road trails, or driving daily, this radiator is built to handle the heat. The fully aluminum construction ensures rust resistance and durability, while OEM fitment means no hassle during installation. It supports a wide range of V6 and V8 engines including 4.3L, 4.8L, 5.3L, 6.0L, and 6.2L.

Compatible with major GM platforms including Silverado, Sierra, Suburban, Tahoe, Yukon, Escalade, and H2, this radiator is the perfect replacement for CU2370, 2370, 15841569, and other OE part numbers. Trust COOLMODA for lasting quality, trusted performance, and full support.