Engine Stop Leak - For Petrol Or Diesel Engines ? 325ml

Product Code: 50664
Wynn?s Engine Stop Leak is a special blend of chemicals formulated to stop engine oil leaks and drips that can result from the drying out and shrinking of engine neoprene, rubber seals and O-rings.

- Prevents and stops engine oil leaks without demounting.
- Restores the elasticity of rubber and neoprene oil seal rings and O-rings.
- Lubricates and maintains engine seals in good condition.
- Will have no effect on the viscosity or performance of engine oil.
- Is compatible with all mineral and synthetic, single- and multigrade oils.
- Does not harm catalytic converters.


- Recommended for all petrol, LPG and diesel engines of vehicles and stationary equipment.
- Works on all rubber and neoprene seal rings in the engine. Effective for excessive leakages at the rubber or neoprene valve stem seals.
In Stock
FREE delivery on orders over £50
Product is returnable
In Stock


5.83 ex. VAT)

Free Delivery

Free delivery is available for all orders over £50

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If you are unsure about a product, feel free to call us on 02476 663 969 for more information.

International Delivery

If you are from outside of the UK, don’t worry we can still help you out. Just contact us prior placing the order and we will email you with the additional delivery charge and information.

Technical Details

Supplier Wynns
Product Range Engine Oil Additive
Volume (ml) 325

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