Description: Chevron Supreme SAE 5W30 motor oil is ideal for use in pressure washers that use four-stroke gasoline engines. The motor oil is formulated at each grade with premium base stocks and additives including shear-stable viscosity index enhancers, detergents, dispersants, anti-wear agents, corrosion inhibitors, antioxidants, and foam inhibitors; all of which are designed to protect the critical moving mechanical parts housed within pressure washing equipment and promote sustained high-temperature operation, smooth performance, and superior longevity.