aFe POWER BladeRunner OER Series Radiators are designed and manufactured to be a perfect replacement for your aging or damaged, stock radiator. Over time, your stock radiator becomes less efficient due to corrosion and damage from road debris. Leaks can also occur in aging connectors and joints that can quickly lead to overheating and expensive damages to your engine. Our OER radiators are constructed of an all-aluminum core with molded plastic end tanks. This design incorporates all the proper mounting points and, fittings, for a quick and easy installation. Keep your engine cool and operating at peak performance with aFe POWER BladeRunner OER Series Radiators. BladeRunner OER Series Radiator Jeep Wrangler (TJ) 97-06 L6-4.0L Jeep Wrangler (TJ) 97-06 L6-4.0L