Reach Cooling REA41-1552A - Radiator for Dodge Ram 1500 2500 3500 3.9 V6 5.2 5.9 V8 (1 1/4") Premium Quality item. Direct, Drop in fit for easy installation. Built to vehicle specific application design. OEM Style Aluminum Radiator Core with Plastic Tanks. Each one quality inspected and 100% leak tested. Manufactured with the highest quality materials for long lasting service life.