It works on plastic, aluminum, and metal radiators in heater cores, engine cooling jacket, gaskets (including head gaskets), water pumps, and freeze plugs. Water pump lube lubricates water pump seal and inhibits the formation of rust. Works safely and effectively on plastic, aluminum and metal radiators, heater cores, blocks, heads, gaskets and freeze plugs.
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Bar's leaks radiator stop leak is designed to enhance the use of antifreeze or can also be used in water
Works on plastic, aluminum, and metal radiators, heater cores, blocks, heads, gaskets, and freeze plugs lubricant ingredients
Contains water pump lube lubricants to prevent rust and scale formation. It is specially formulated to seal larger leaks better than other stop leak products Works safely and effectively on plastic, aluminum and metal radiators, heater cores, blocks, heads, gaskets and freeze plugs