Product Details: Equip your truck to be Ready for the Road Ahead™, with the Shell T5 15W-40 Synthetic Blend Heavy Duty Engine Oil, a crucial component to ensure maximum engine protection. With a specialized mix of quality base elements, this replacement formula is the ideal option to resist oil breakdowns and defend against oxidation. Manufactured to keep your engine in prime condition by sealing microscopic spaces in the motor, resulting in better fuel economy and reduced engine wear. <br/><br/>FleetPride is your First Click in Heavy Duty®.