CRC K&W 401016 Block Seal Permanent Metallic™ Block & Radiator Seal - 16 Oz
Amazon Price as of 01/08/2025 22:22 GMT+00:00
$14.84
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average price $15.29
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$13.00
$16.89
Product Description
Forms a permanent molecular bond that's as strong as steel. Seals cracks & holes in cast iron & aluminum engine blocks, head gaskets, freeze plugs, & copper, aluminum & bi-material radiators & heater cores. Tested by an Independent test lab. Rated No.1
• Permanent molecular seal that’s as strong as steel
• Seals cracks & holes in cast iron and aluminum engine blocks, head gaskets, freeze plugs, and copper, aluminum and bi-material radiators & heater cores
• For use in all water-cooled diesel and gasoline vehicles
• Withstands extreme pressure and temperatures of a cooling system and will not wash away
• Professional grade formula exceeds ASTM D6107 for effectively sealing leaks in cooling systems
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