MSI Oil Stop Leak can repair minor oil leaks in the engine, gear box (manual and automatic) and power steering units. Rejuvenates worn and hard seals and lubricates all working parts, prolonging the life of the units. Economical and easy to use. 300ml Can. quickly stops leaks in engines, power steering and gearbox suitable for use in petrol, diesel and lpg engines significantly reduces friction, wear and tear revives plastic and rubber gaskets and seals and keeps them supple stabilises the viscosity of the oil