The one-stop product that does it all. Bars Leaks One Seal Stop Leak effectively seals all minor engine oil, transmission and power steering system leaks. This is your ticket to finally take care of the puddles dripping under your car without an expensive trip to the dealer or mechanic. This formula is engineered to stop seal and gasket leaks caused by normal wear and age and it works with all engine oil, transmission fluid and power steering fluids. Its also fully compatible with diesel and turbocharged engines.