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Entek Mr. Blockhead Permanent Sealer - 1 x 16oz Bottle

$17.00

Entek’s Mr. Blockhead is a permanent block and radiator sealer designed to repair blown head gaskets and seal leaks in engine blocks, radiators, heaters, and cooling systems. Its advanced formula creates a long-lasting seal that stops leaks, restores pressure, and helps prevent costly repairs. Safe for all gas and diesel engines, Mr. Blockhead offers a quick and reliable solution to keep your vehicle running smoothly.

Entek’s Mr. Blockhead is a permanent block and radiator sealer designed to repair blown head gaskets and seal leaks in engine blocks, radiators, heaters, and cooling systems. Its advanced formula creates a long-lasting seal that stops leaks, restores pressure, and helps prevent costly repairs. Safe for all gas and diesel engines, Mr. Blockhead offers a quick and reliable solution to keep your vehicle running smoothly.

PERMANENTLY SEALS ENGINE LEAKS: Repairs cracked blocks, blown head gaskets, valve ports, and water jackets in gas and diesel engines to stop coolant loss and restore cooling system performance.

WORKS ON MULTIPLE MATERIALS: Safe for aluminum or iron engine blocks, plastic radiators, cylinder heads, freeze plugs, and heater cores. Ideal for stopping oil leaks in the engine and resealing leaks in non-moving cooling system parts.

HIGH-MILEAGE ENGINE SOLUTION: This water and oil leak sealer is designed for older engines with wear and tear. This powerful head gasket sealer helps stop oil leaks, prevent overheating, and prolong your vehicle’s life without costly shop repairs.

EASY TO USE, FAST RESULTS: Our gasket sealer for engines requires no tools or teardown. Just pour into the radiator and run the engine to complete your engine leak repair. Delivers effective sealing with one treatment—an easy fix that stops leaks and saves time and money.

SMART GIFT FOR DIY MECHANICS: This oil leak stopper and radiator sealant is perfect gift for car lovers, gearheads, and fleet owners. Practical, powerful, and appreciated by anyone who wants a quick and lasting fix for engine and radiator leaks.