Product Details: Keeping you Ready for the Road Ahead™, the Chevron Delo® 400 XLE SAE 15W-40 CK4 Heavy Duty Diesel Engine Oil is an optimal heavy duty synthetic blend motor oil, specifically formulated for 2017 greenhouse gas (GHG 17) compliant diesel engines. The ISOSYN Advanced Technology™ effectively works to supply lower emissions, longer motor life, and improved fuel economy for your semi truck. This heavy duty motor oil also features premium bearing corrosion protection, which is critical for Exhaust Gas Recirculation (EGR) engines. Experience the difference with Chevron Delo® 400 XLE SAE 15W-40 CK4 Heavy Duty Diesel Engine Oil.<br/><br/>FleetPride is your First Click in Heavy Duty®.