Atomex Stop Leak Radiator

Atomex Stop Leak Radiator

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Driving a vehicle that has a leak in the cooling system leads to a decrease in the coolant level, causes the engine to overheat, and can result in the need for expensive repair.
Solution: Timely use of the sealing product will help eliminate the leak and restore the trouble-free operation of the engine cooling system.

  • Latest generation product designed to eliminate leaks in the cooling system
  • Tightens loose gaskets of the cylinder block, etc.
  • Completely eliminates leaks, reliably and permanently seals cracks and minor (up to 0.9 mm) damages in pipelines and joints
  • Protects the cooling system from rust and corrosion for a long period
  • Eliminates the need for expensive repair
  • Does not contain acids, nontoxic
  • Neutral to the materials of the cooling system parts (oil seals; rubber hoses, aluminum, plastic and steel radiators)
  • Universal in application for gasoline and diesel engines of cars and other equipment


  • Warm up the engine to the operating temperature; it should be warm, but not hot.
  • Thoroughly shake the bottle.
  • Introduce the product into the radiator tank with the engine off.
  • Start the engine and let it idle for 5–10 minutes with the compartment heater turned on.
  • To prevent possible leaks in the cooling system, the product can be used immediately after replacing the coolant.

Dosage: 1 bottle (250 ml) of the product per 10–12 L of antifreeze.
Ingredients: water, additives, potassium hydroxide.


Attention! On a hot engine in the cooling system, antifreeze is under pressure. Be careful when you open the radiator cap; hot steam or liquid can escape from under it.

The product is compatible with all types of fluids used in automobile cooling systems.