The Lucas Oil Power Steering Stop Leak 12 oz is a powerful and effective solution for stopping power steering leaks. This bottle of stop leak seals worn and damaged seals, preventing further fluid loss. It is compatible with all types of power steering fluids and can be used in both manual and automatic power steering systems. With this product, you can be sure that your power steering system will be running smoothly and efficiently. FleetPride is your First Click in Heavy Duty®.