Red Line Synthetic Oil formulates a full range of Polyol Ester based GL-4 transmission lubricants, rather that offering a one product suits all across GL-4 & GL-5 Red Line offers lubricants to pinpoint nearly every transmission application for optimum performance.
Red Line Offers the most complete line of GL-5 gear lubricants optimized for differentail, transmission or transaxle use. These products contain the extreme pressure additives necessary for ultimate protection road cars and racing vehicles, as well as friction modifiers for proper limited-slip operation
Acting like a liquid grease, these unique lubricants contain a suspension of solid microscopic particles as an extreme pressure agent, offering a "best of both worlds" balance of low drag and superior protection for gear teeth
We have a wide range of gear oils available, please select one of the ranges below to view the gear oils that are specifically designed for that use.