Lucas Engine Oil Stop Leak is a unique formulation of Lucas additives and very specific base stocks designed to stop seal leaks in engines!

It contains nothing that could be harmful to an engine and can actually extend the life of the engine oil at least 50% longer.

Lucas Engine Oil Stop Leak is not only a leak stopper but also an excellent additive for worn engines. The user can expect less engine noise, higher oil pressure and less oil consumption as the Lucas additives fill the space between the worn parts.

Key Benefits

• Renews worn seals with no risk of damage or eventual corrosion
• Contains no harmful solvents
• For use in petrol and diesel engines
• Safe for Diesel Particulate Filters (DPF)
• Compatible with mineral, semi-synthetic and fully synthetic engine oils
• Reduces engine noise and oil consumption, while raising oil pressure

Directions for Use

Use 20% of system capacity (example: 1 litre Lucas Engine Oil Stop Leak to 4 litres of engine oil). It can be added to a hot or cold engine.

Also effective at stopping leaks in automatic transmissions, hydrostat transmissions or hydraulic systems use 10%.