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Liqui Moly Radiator Stop Leak - 250ml



Will immediately seal small leaks caused by external damage, porous solder joints and hairline cracks in cooling systems of all water cooled engines. Coolant is prevented from entering the combustion chamber due to internal leaks from head gasket etc. It does not react with oxygen or heat and will never prevent system flow or cause overheating. Radiator Stop Leak works as long as it’s in the coolant.


- compatible with conventional coolants and antifreezes

- suitable for aluminum radiators

- permanently and reliably seals hairline cracks and small leaks

- no negative side effects on the water pump or heating circuit

- for preventive use

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