Radiator Leak-Stop 250ML Cooling System Sealant
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Radiator Leak-Stop 250ML Cooling System Sealant

MANNOL-AD9966
In stock
$50.99
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$50.99

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Radiator Leak-Stop 250ML Cooling System Sealant

A special additive in the coolant that acts as a sealant for the cooling system of internal combustion engines (ICE) and the interior heating system. Suitable for any liquid-cooled internal combustion engine with radiators made of any materials (aluminum, copper, plastic, and composite, etc.). It is a mixture of metal polymers and special fibers designed to eliminate leaks in the system.

Product properties include:

  • Compatible with any coolant as well as water.
  • Seals the cooling system and eliminates leaks through gaskets, clamps, small cracks in the radiator, cylinder head gaskets, from the water pump, and from the cylinder block itself. Prevents leaks in the future.
  • Cures only in places of leaks, without clogging the radiator tubes. After hardening, withstands vibration, temperature changes, does not wash out, does not dissolve.
  • Especially recommended for sealing micro cracks and micro leaks, which are difficult to determine but cause a drop in the coolant level.
  • Absolutely neutral to all structural materials (metals and alloys, plastic and rubber parts). Restores the lost elasticity and resilience of seals and gaskets, protecting them from drying out, hardening, deformation, and cracking, thereby extending their service life.
  • Possesses excellent anti-corrosion properties, neutralizing corrosive acids.
  • Extends the life of the water pump.
  • Can be used to prevent leaks, as well as to prevent the aging process and wear of seals and gaskets, and in general to prevent cooling system failures.

Application: Start the engine at idle speed and let it warm up to operating temperature, turn on the interior heating. Shake the contents of the bottle thoroughly and pour it into the expansion tank of the cooling system (or into the radiator). One 250 ml bottle is sufficient for a 10-liter system and a 325 ml bottle is sufficient for a 12-liter system. Let the engine idle for 10 minutes. If the leaks are not eliminated within 3 days, mechanical repair is required.

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