{"product_id":"koyorad-a2370-radiator","title":"Koyorad A2370 Radiator","description":"\u003ch2\u003eKoyorad A2370 Radiator Overview\u003c\/h2\u003e\u003cp\u003eThe Koyorad A2370 radiator is an OE-equivalent replacement built for GM truck and SUV cooling systems that need dependable heat transfer and integrated fluid cooling. It is a direct-fit radiator for applications such as Chevrolet Silverado, GMC Sierra, Cadillac Escalade, and Hummer H2 platforms.\u003c\/p\u003e\u003cp\u003eWith an aluminum core, plastic tanks, and built-in engine and transmission oil cooler circuits, this radiator is designed to match the factory-style layout used on many full-size GM applications. The Koyorad A2370 helps restore cooling performance while keeping the original equipment configuration in place.\u003c\/p\u003e\u003ch2\u003eKey Features\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eAluminum core with 1-row construction for efficient heat dissipation\u003c\/li\u003e\n\u003cli\u003ePlastic tank design for OE-style fit and function\u003c\/li\u003e\n\u003cli\u003eIntegrated engine oil cooler included\u003c\/li\u003e\n\u003cli\u003eIntegrated transmission oil cooler included\u003c\/li\u003e\n\u003cli\u003eCore dimensions: 34 in. height, 18.5 in. width, 1.0625 in. thickness\u003c\/li\u003e\n\u003cli\u003eInlet diameter: 1.3125 in.; outlet diameter: 1.5625 in.\u003c\/li\u003e\n\u003cli\u003eEngine oil cooler uses a 6-plate design\u003c\/li\u003e\n\u003cli\u003eTransmission oil cooler diameter: 1.625 in.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eProduct Details\u003c\/h2\u003e\u003cp\u003eKoyorad Radiator A2370 is engineered as an OE-style replacement radiator for a wide range of GM V8 truck and SUV applications. Koyorad focuses on replacement radiators that follow factory specifications closely, and this unit reflects that approach with aluminum core construction, molded plastic tanks, and internal cooling passages for both engine oil and transmission fluid. The result is a radiator assembly suited to restoring factory cooling system layout on vehicles such as the Chevrolet Silverado 1500, Silverado 2500 HD, GMC Sierra 1500, Sierra 2500 HD, Cadillac Escalade, and Hummer H2.\u003c\/p\u003e\u003cp\u003eThis part number, A2370, is a practical choice when the original radiator shows signs of leakage, reduced cooling efficiency, or cooler circuit wear. This part cross-references Denso (e.g., 221-0508) for the same application.\u003c\/p\u003e\u003ch2\u003eCommon Problems This Radiator Can Address\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eCoolant leaks from a cracked or aging radiator tank\u003c\/li\u003e\n\u003cli\u003eOverheating caused by restricted or inefficient heat exchange\u003c\/li\u003e\n\u003cli\u003eTransmission temperature issues related to a failing cooler circuit\u003c\/li\u003e\n\u003cli\u003eEngine oil cooler leakage or reduced cooler performance\u003c\/li\u003e\n\u003cli\u003eFactory radiator replacement needs on GM truck and SUV cooling systems\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eInstallation Notes and Tips\u003c\/h2\u003e\u003cp\u003eVerify inlet and outlet hose sizes, cooler line connections, and core dimensions before installation. Because the A2370 includes internal engine oil and transmission oil cooler sections, inspect all related lines and fittings for wear, contamination, or damage before reassembly. Flush the cooling system as needed, refill with the correct coolant, and bleed air from the system according to the vehicle service procedure. Confirm fan shroud, mounting points, and surrounding components clear the radiator before final tightening.\u003c\/p\u003e\u003ch2\u003eQuality Assurance\u003c\/h2\u003e\u003cp\u003eKoyorad states that its radiators are built as OE-equivalent replacements using technical manufacturing experience aimed at getting the repair done correctly the first time. The A2370 follows that OE-style replacement approach for consistent fitment and cooling-system restoration.\u003c\/p\u003e\u003ch2\u003eCompatible Vehicles\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eFits 2002-2014 Cadillac Escalade, N\/A\u003c\/li\u003e\n\u003cli\u003eFits 2003-2014 Cadillac Escalade ESV, N\/A; 27mm Core; Koyorad Radiator\u003c\/li\u003e\n\u003cli\u003eFits 2007-2013 Cadillac Escalade EXT, N\/A; 27mm Core; Koyorad Radiator\u003c\/li\u003e\n\u003cli\u003eFits 2006-2013 Chevrolet Suburban 1500, N\/A\u003c\/li\u003e\n\u003cli\u003eFits 2000-2013 Chevrolet Suburban 2500, N\/A; 27mm Core; Koyorad Radiator\u003c\/li\u003e\n\u003cli\u003eFits 2003-2009 Chevrolet Silverado 1500, N\/A\u003c\/li\u003e\n\u003cli\u003eFits 2001-2009 Chevrolet Silverado 2500 HD, N\/A; 27mm Core; Koyorad Radiator\u003c\/li\u003e\n\u003cli\u003eFits 2008-2009 Chevrolet Silverado 3500, N\/A; 27mm Core; Koyorad Radiator\u003c\/li\u003e\n\u003cli\u003eFits 2001-2006 Chevrolet Silverado 3500, N\/A; 27mm Core; Koyorad Radiator\u003c\/li\u003e\n\u003cli\u003eFits 2007-2009 Chevrolet Silverado 3500 HD, N\/A; 27mm Core; Koyorad Radiator\u003c\/li\u003e\n\u003cli\u003eFits 2001-2009 GMC Yukon XL 1500, N\/A; 27mm Core; Koyorad Radiator\u003c\/li\u003e\n\u003cli\u003eFits 2001-2003 GMC Sierra 1500 HD, N\/A; 27mm Core; Koyorad Radiator\u003c\/li\u003e\n\u003cli\u003eFits 2001-2006 GMC Sierra 2500 HD, N\/A; 27mm Core; Koyorad Radiator\u003c\/li\u003e\n\u003cli\u003eFits 2001-2006 GMC Sierra 3500, N\/A; 27mm Core; Koyorad Radiator\u003c\/li\u003e\n\u003cli\u003eFits 1999-2006 Chevrolet Silverado 2500, N\/A; 27mm Core; Koyorad Radiator\u003c\/li\u003e\n\u003cli\u003eFits 1999-2004 GMC Sierra 2500, N\/A; 27mm Core; Koyorad Radiator\u003c\/li\u003e\n\u003cli\u003eFits 2003-2007 Hummer H2, N\/A\u003c\/li\u003e\n\u003cli\u003eFits 2002-2006 Cadillac Escalade EXT, N\/A\u003c\/li\u003e\n\u003cli\u003eFits 2005-2006 Chevrolet Silverado 1500 HD, N\/A; 27mm Core; Koyorad Radiator\u003c\/li\u003e\n\u003cli\u003eFits 2001-2003 Chevrolet Silverado 1500 HD, N\/A; 27mm Core; Koyorad Radiator\u003c\/li\u003e\n\u003cli\u003eFits 2001-2006 GMC Sierra 1500, N\/A\u003c\/li\u003e\n\u003cli\u003eFits 2005-2006 GMC Sierra 1500 HD, N\/A; 27mm Core; Koyorad Radiator\u003c\/li\u003e\n\u003cli\u003eFits 2002-2004 Chevrolet Avalanche 1500, N\/A\u003c\/li\u003e\n\u003cli\u003eFits 2007-2008 GMC Yukon, N\/A\u003c\/li\u003e\n\u003cli\u003eFits 2007 Chevrolet Silverado 1500 Classic, N\/A; 27mm Core; Koyorad Radiator\u003c\/li\u003e\n\u003cli\u003eFits 2007 Chevrolet Silverado 1500 HD Classic, N\/A; 27mm Core; Koyorad Radiator\u003c\/li\u003e\n\u003cli\u003eFits 2007 Chevrolet Silverado 2500 HD Classic, N\/A; 27mm Core; Koyorad Radiator\u003c\/li\u003e\n\u003cli\u003eFits 2007 Chevrolet Silverado 3500 Classic, N\/A; 27mm Core; Koyorad Radiator\u003c\/li\u003e\n\u003cli\u003eFits 2008 Chevrolet Avalanche, N\/A\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Koyorad","offers":[{"title":"Default Title","offer_id":52424696791221,"sku":"GTQS-A2370","price":217.77,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0628\/1442\/1173\/files\/KO_A2370_Dia.jpg?v=1777820764","url":"https:\/\/www.partcatalog.com\/products\/koyorad-a2370-radiator","provider":"PartCatalog","version":"1.0","type":"link"}