Permatex’s Engine Oil Stop Leak is specially formulated to provide drivers with a reliable and cost-effective alternative for fixing leaks in their vehicle’s engine system. Suitable for all Gasoline and Diesel Four-Stroke Engines, it’s the perfect solution for anyone experiencing small to moderate engine oil leaks. Permatex Engine Oil Stop Leak effectively stops and prevents engine oil leaks and oil burning without dismantling in a safe and cost-effective manner. It provides a long-lasting seal for engine oil leaks, reduces blow-by, and revitalizes rubber and neoprene seals and O-rings, allowing drivers to experience a smooth and uninterrupted ride. If you are tired of constantly adding oil to your engine or dealing with messy oil leaks, the Permatex Engine Oil Stop Leak is the perfect product for you.