Pennzoil motor oil from the maker of the leading motor oil in America, an advanced proprietary conventional formula with Active Cleansing Agents. Not only helps prevent dirt and contaminants from turning into performance robbing deposits but also cleans out sludge. Because at Pennzoil we know a cleaner engine is better protected and responsive. Exceeds the engine protection required by ILSAC GF-5 (SAE 5W-20, SAE 5W-30, SAE 10W-30), or API SN (SAE 10W-40, 20W-50), and is specially formulated to provide extra protection against the harmful effects of stop-and-go driving and high and low-temperature engine operation, Pennzoil motor oil is suitable for passenger cars, light-duty trucks, vans and sport utility vehicles that are fueled with gasoline including E10 and E85 grades. Pennzoil motor oil SAE 5w-20, SAE 5w-30 and SAE 10w-30 meets or exceeds the demanding requirements of International Lubricant Standardization and Approval Committee (ILSAC) GF-5. Pennzoil motor oil multi-viscosity motor oil SAE 10W-40 and 20W-50 are suitable for engines were the owner's manual recommends API SN or prior API service classifications in this viscosity grade, includes some older vehicles and some performance and modified vehicles. Product helps prevent sludge and deposits.