Prestone® Radiator Stop Leak's patented formula quickly stops leaks in radiators, water pumps, and heater cores, while also protecting against pitting and corrosion.
Features & Benefits:
Designed to help defeat heavy rust and scale deposits in neglected cooling systems.
Premium 2-in-1 formula designed for either a quick flush or for a heavy-duty cleaning.
It removes rust, corrosion, scale, and solid materials from the cooling system to help prevent overheating, a leading cause of engine failure.
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