Pennzoil® automatic transmission fluid, ATF is a high-quality automatic transmission fluid that provides consistent, reliable and smooth operation of transmission systems requiring the performance levels listed below, generally used in older passenger cars. It features a high oxidation resistance and shear stability, as well as dependable anti-wear and gear protection to help extend the life of transmission components as well as service in a wide variety of other applications. This mineral oil automatic transmission fluid is designed for historic general motors DEXRON® III, Ford MERCON® and Allison C-4/C-3 service fill in all applications, transmissions, transfer cases, power steering systems and hydraulic systems. This includes many older applications in a wide range of vehicle manufacturers such as Toyota, Nissan, BMW, Mercedes and others. Do not use in ford type F applications. Always follow vehicle or equipment manufacturer's service requirements.