Keep your vehicle functioning properly with the BlueDevil Block Sealer. It provides you with a quick and reliable fix for leaks in a radiator or engine block. The formula does not contain solid or fibrous materials that will clog or harm your vehicle. It corrects the problem from the inside out. BlueDevil Radiator and Block Sealer will bond to plastic, cast iron, aluminum, alloy or metal. BlueDevil Block Sealer is compatible in gasoline and diesel engines. It is a guaranteed permanent radiator sealer.
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