Give your 1999-2003 Ford 7.3L Powerstroke the Coolant & Additives it needs to stay on the road. Offering corrosion prevention, faster warm-ups, and reduced engine temperatures, these additives will help to minimize surface tension for more efficient cooling. You can find engine coolant and additives that offer 150,000 to 750,000-mile service life. Evans, Hot Shot's Secret, XDP, Lucas Oil, DEI, Royal Purple, and Mishimoto are just some of the top manufacturers available at XDP.