BlueDevil Radiator & Block Sealer

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.

• Permanent repair for radiator and block leaks.
• Works effectively on plastic, aluminum and/or metal radiators; Contains no solid or fibrous materials
• Safe and Easy to use; ASTM D1881 & ASTM D3147 Compliant