The Lucas Oil Transmission Fix is the perfect solution for your transmission problems. This is effective in even the most challenging conditions. It can be added to existing fluid without draining any out and it helps to lower operating temperatures and stop foaming. Plus, it contains no solvents, so you can be sure that it is safe for your vehicle. It is the perfect choice for keeping your transmission running smoothly and efficiently. FleetPride is your First Click in Heavy Duty®.