Engine Oil Stop Leak 300ml

Product code: VLV890607

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£7.49

£6.24 ex. VAT

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Valvoline Engine Oil Stop Leak — 300ml

Part Number: VLV890607

Valvoline Engine Oil Stop Leak is a special additive package designed to reduce oil consumption and minimize leaks by conditioning engine seals and gaskets. It helps restore elasticity, reduces sweating around gaskets, and contributes to improved engine reliability without the need for major repairs. Suitable for all petrol and diesel engines with commonly used motor oils.

Product Characteristics

• Conditions seals to reduce oil consumption
• Helps stop leaks and sweating around gaskets
• Direct effect after application
• Positive environmental impact by preventing oil loss
• Easy to use – simply add to engine oil
• Universal application – suitable for petrol and diesel engines

Storage & Shelf Life: Store sealed containers in a cool, dry, and well-ventilated place. Avoid storage above 60°C, direct sunlight, or freezing. Shelf life: 5 years from manufacture.

How to Use

• Add contents of the 300ml bottle to at least 3 litres of engine oil.
• Let the engine idle for 10 minutes to ensure mixing.
• Do not exceed maximum crankcase capacity.
• Suitable for up to 5 litres of engine oil (max concentration 10%).
• Check the oil system for leakage after use.
• If leakage persists after ~3 days, seals may be damaged and require replacement.