Top off the radiator in your 2007.5-2010 Chevy/GMC 6.6L LMM Duramax with the Coolant & Additives available. With the help of these additives, cooling systems will operate more effectively, corrosion will be prevented, warm-up times will be shortened, and engine temperatures will drop. You can find engine coolant and additives that offer 150,000 to 750,000-mile service life. Top manufactures like DEI, Royal Purple, Mishimoto, Evans, Hot Shot's Secret, XDP, and Lucas Oil are offered by XDP.
