Find the Coolant & Additives you need when servicing the cooling system in your 2018-2021 Ford 3.0L Powerstroke. You can find engine coolant and additives that offer 150,000 to 750,000-mile service life. In addition to reducing surface tension for more effective cooling, these additives also offer faster warm-up times, corrosion prevention, and lower engine temperatures. Find top brands such as Royal Purple, Mishimoto, Evans, Hot Shot's Secret, XDP, Lucas Oil, and DEI available at XDP.