Pro Gear GL-4 75W-90 is a premium full synthetic, gear oil manufactured from a blend of carefully selected synthetic base oils. Formulated with the latest technology, purpose designed additives for long service life and excellent load carrying capacity. It meets the performance requirements of API GL-4 Plus as well as many manufacturer requirements. APPLICATION Pro Gear GL-4 75W-90 is recommended for manual gearboxes, transfer cases and transaxles in passenger cars, light commercials, 4WDs, trucks, construction, earthmoving and agricultural equipment that specify the use of an API GL-4, SAE 75W-90, 80W-90 or SAE90 gear oil. It is also suitable for use where an API GL-3, SAE 75W-90 gear oil is required. Pro Gear GL-4 75W-90 is also ideal in vehicles that are operating in highly loaded conditions such as in competition or when towing, in place of where an API GL-4, SAE 75W-85 gear oil is required. Pro Gear GL-4 75W-90 is recommended for use in selected Ford, Holden, Hyundai, Kia, Mazda, Mitsubishi, Nissan, Suzuki and Toyota vehicles as well as many others where the manufacturer specifies the use of an API GL-4, SAE 75W-90 gear oil. NOTE: Pro Gear GL-4 75W-90 is not suitable for use in differentials that require API GL-5 or higher. For these applications please use either Penrite Pro Gear 75W-90 or Trans Gear 75W-90.