Flush the radiator in your 2014-2019 Ram 1500 3.0L EcoDiesel with the correct Coolant & Additives. You'll find full synthetic and conventional antifreeze with supplemental additives that offer 150,000 to 750,000-mile service life. Offering corrosion prevention, faster warm-ups, and reduced engine temperatures, these additives will help to minimize surface tension for more efficient cooling. Find top brands such as Royal Purple, Mishimoto, Evans, Hot Shot's Secret, XDP, Lucas Oil, and DEI available at XDP.