Product Details: Outfit your truck to be Ready for the Road Ahead™ with maximum engine protection, with the Shell Rotella® 10W-30 T5 Synthetic Blend Diesel Engine Oil 1-Gallon. By utilizing a specialized mix of quality base elements, this replacement formula resists oil breakdowns while defending against oxidation. Created to keep motors in prime condition by sealing microscopic spaces, resulting in improved fuel economy and reduced engine wear. <br/><br/>FleetPride is your First Click in Heavy Duty®.