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Dike Radiator Stop Leak

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Product Description

Dike® Temporary Radiator Stop Leak


  • Stops leaks in radiators in seconds
  • Seals internal leaks, preventing antifreeze and water from seeping into the engine
  • Helps gaskets seal better
  • Will not block small passages in the coolant system
  • Works with all standart and permanent antifreezes


Quickly stops radiator, heater core and hose leaks

Dike temporarily seals small leaks in coolant systems.  Advanced formula seeks out and seals internal leaks, preventing antifreeze and water from seeping into the engine.  A leak in a coolant system can lead to serious problems, such as overheating or engine failure.  Antifreeze that leaks into the engine can form sludge that can plug oil passages and cause engine parts to perform poorly.  Even small amounts of antifreeze can reduce the lubrication ability of engine oils.  Dike can be used in a preventative measure or as a solution to coolant system leaks.


Dike can be used in any vehicle or equipment that has a cooling system.  Compatible with all standard and permanent radiator coolants (both green and orange) in cars, trucks, and water-cooled equipment.

Add one pint to every four gallons of coolant or water.  Pour one can of Dike into radiator.  Replace radiator cap and run engine for at least 15 minutes.  For cooling systems larger than four gallons, addfour ounces of Dike for eah additional gallon of coolants. 

Keep Dike in your vehicle emergency kit for on-the-spot repairs or as a preventative measure for vehicles operating under severe conditions.

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