GB GERION® 5L 75W-90 is a premium synthetic automotive gear oil, developed using the highest quality synthetic base oils and advanced additive systems primarily for use in light-duty and heavy-duty axles. It has been designed to withstand the most severe conditions imposed by commercial vehicle operations and provides total reliability at all times. GB GERION® 5L 75W-90 provides high levels of long-term wear protection over extended drain periods. It may also be used in certain transmissions when a lubricant of this quality is specified by the Original Equipment Manufacturer.