WhisperPower Engine Oil 15W-40 Diesel Generator Lubricant, Premium Engine Oil, Increased Fuel Efficiency and Wear Protection

WPL Premium Engine Oil is an SAE 15W-40 engine oil that provides exceptional service for diesel engines in mobile and marine equipment, as well as stationary generators, with extended service life. With its superior formulation of select base oils, shear-stable viscosity improvers, and WPL Premium Engine Oil's exclusive wear-reducing additive, WPL Premium Engine Oil offers increased fuel efficiency, reliable all-weather performance, and outstanding wear protection.