Seller notes

Cooling System SealerUse for head gasket, heater core, freeze plug, block and radiator leaksMixes with all types of antifreezeDoes not contain any harmful metal flakesWorks fast and is easy to usePermanent cooling system repair – GuaranteedHapco Cooling System Sealer is guaranteed to stop all head gasket, heater core, freeze plug, block and radiator leaks fast! It is easy to use and will not harm or clog any cooling system. Our original formula does not contain metal flakes and is compatible w...

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