Flush the radiator in your 2014-2018 Jeep Grand Cherokee 3.0L EcoDiesel with the correct Coolant & Additives. You can find engine coolant and additives that offer 150,000 to 750,000-mile service life. The additives available will reduce engine temperatures, minimize surface tension for more efficient cooling, prevent corrosion, and offer faster warm-ups. Top manufactures like DEI, Royal Purple, Mishimoto, Evans, Hot Shot's Secret, XDP, and Lucas Oil are offered by XDP.