CARQUEST EP 90 GL-4 Gear Oil is mineral based extreme pressure multi-purpose gear oil containing antioxidant, anti-corrosion and anti-foam additives. It is designed to protect gear boxes, mildly loaded axles and transfer boxes. It contains extreme pressure additives to provide protection against the high rubbing pressures experienced in hypoid units. CARQUEST EP 90 GL-4 Gear Oil is primarily recommended for the lubrication of spur and helical gears, such as those used in automotive manual gearboxes, where the manufacturer specifies the use of EP 90 gear oil. Product Features:Extreme Pressure PerformanceProtects Hypoid GearsExcellent anti-wear propertiesAnti-corrosion and anti-rust propertiesRecommended for GL-4 applications