Buy CSF 3444 Radiator: Radiators - ✓ FREE DELIVERY possible on eligible purchases. OEM specified Plastic Tank-Aluminum Core Construction . Tanks are made from Virgin Grade Engineered plastic resins, which are "Glass Filled" for added Strength & Durability . Gaskets are made from Special Grade "EPDM" rubber to withstand extreme temperatures of up to -120 Degrees F . Fins (Heart of Radiator) - High Performance "Multi-Louvered Design" . 100% leak tested before leaving factory at 150% of operating pressure . Engine Coolant Radiator by . OE Style Design. Increase the life of your vehicle's engine by keeping your cooling system in top condition. Replace your faulty engine cooling component with this highly efficient replacement product and be sure the heart of your vehicle is in good working order. . . .