Motorcraft SAE 5W-40 Full Synthetic Diesel Motor Oil is formulated for improved oxidation protection and contains more than 1,000 ppm phosphorus to improve wear protection. Designed for low emission diesel engines providing excellent soot control, protection against wear, deposits, rust and corrosion, foaming, sludge formation, high temperature oxidation and thickening, as well as protecting exhaust after treatment systems such as particulate filters. It also provides excellent performance in older-generation diesel engines operating on high-sulfur fuel A limited number of oil change kits for the 6.7 are listed here.