Heavy Duty Aluminum Truck Radiator Applications: 2007 Columbia 2008 and newer Cascadia Our part number 23958 Guaranteed fit and function Heavy duty aluminum radiator with plastic tanks Additional corrosion protection: + zinc layer inside of radiator tubes for long life corrosion resistance Plastic tanks are made from high grade material for high stiffness, heat resistance, and dimensional stability Core (finned area) dimensions are 37 3/4" x 42 1/8" x 2 1/4" 2" inlet (3 15/16" from end of radiator tank) 2" outlet (7 7/8" from end of radiator tank) High performance oil cooler in tank; 12" center to center OEM part numbers for this radiator are: 1A0201190020, 3E0118600004, A0526615020, 8273, CTAVTU82733, FRE54, CTAVTM82733, FR55OC, FLX000263, CTAVTM82734, CTVTM82733, CTVTU82733, 800047PT, 437243P 100% leak tested from the factory. 12 month warranty against workmanship defects with money back or replacement guarantee, but you won't need itAmerican Cooling Solutions