• Quickly and permanently eliminates leaks in radiators, engine blocks and heads, and in hoses and other components of cooling systems found in passenger vehicles and trucks.

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• Restores effectiveness of seals in engine water pumps, thermostats, and heater control valves.

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• Prevents the formation of hard calcium deposits inside radiators and engine blocks.

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• Contains corrosion inhibitors to prevent rust and corrosion within cooling system components.

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• Safe for all cooling system components.