2011-2016 Chevrolet/GMC Duramax Diesel Truck 6.6L Aluminum Performance Radiator. These COLD-CASE radiators are Tig welded 100 percent aluminum and absolutely beautiful. Don't buy a 3 or 4 row aluminum radiator! It doesn't cool as good as these oversize 2 row models.

-Replacement O-ring for lower hose needed 

-Dorman O-ring part number 926-160

• 100 percent TIG welded
• All Aluminum
• Polished tanks
• 16 fins per inch
• Corrugated fins that give more surface area and more thermal transfer
• Pressure tested
• Direct fitment for all 11-16 Duramax 6.6L
• Radiator Specs
• Core Height 27.5 inch
• Core Width 33.5 inch
• Overall Height 28.5 inch
• Overall Width 41 inch bolt holes
• Overall Thickness 2.75 inch
• Tubes (2) 1 inch Tubes