Do stop leak products really work? To get the right answer one really needs to be more specific and add a few more words to the question. Take for example narrowing it down to discovering a pool of ...

Patented formula quickly stops leaks in radiators, water pumps, and heater cores Boosts corrosion inhibitors to protect against pitting and corrosion, which cause radiator leaks Combination of natural ...

Heavy Duty Radiator Stop Leak safely and effectively seals internal, external and coolant-to-oil leaks in plastic, aluminum and metal radiators, freeze plugs, gaskets, heads, blocks and heater cores.

Liquid Aluminum Cooling System/Radiator Stop Leak is formulated to permanently seal coolant leaks. Xtreme Cool wetting agent reduces coolant surface tension, improves heat transfer and reduces coolant ...