Radiator Stop Leak:

Radiator Stop Leak works quickly when poured directly into your radiator,one bottle stops leaks in all major parts of your cooling system,including your radiator,heater core gaskets,and hose connections.

It protects against corrosion and pitting in your cooling system,the common reason for leaks.

Radiator Stop Leak:

Radiator Flush for your reference:

Radiator Stop Leak(Car Care Products)