Pennzoil Heavy-Duty Motor Oil exceeds the U.S. warranty requirements for all domestic and imported passenger car and light-duty truck engines that require single-grade oils. It is designed to protect today’s high-revving 4, 6, and 8 cylinder engines, including turbocharged models, as well as older, high-horsepower engines. This versatile motor oil is also suitable for engines converted to propane, butane, or LPG use. Beyond automotive applications, it can be used in hydraulic systems, air compressors, and industrial circulating systems where motor oil is , provided viscosity temperature guidelines are followed. It is compatible with gasoline, diesel, and turbocharged engines and meets the API classification SG/CD. Model Number: 550022816