Kendall (1056017-AI) Super-D XA 15W-40 Diesel Engine Oil with Liquid Titanium - 1 Quart Exclusive Liquid Titanium additive technology for enhanced oxidation resistance and protection against engine wear Specially formulated to protect exhaust after treatment systems Excellent protection for newer low-emission diesel engines and older diesel engines Outstanding soot control for protection against abrasive wear and soot-induced oil thickening Outstanding resistance to viscosity and thermal breakdown at high temperatures