Bar's Leaks Liquid Aluminum Radiator Stop Leak product is part of the next generation stop leak line. Safely and easily seal leaks in plastic, aluminum and metal radiators, heater cores, gaskets and freeze plugs.
Bar’s Leaks Liquid Aluminum Radiator Stop Leak is compatible with ALL brands of antifreeze including conventional green or blue
(silicate-based) and extended life red/orange or yellow (OAT/HOAT) coolant. For most vehicles leaks stop in
only a few minutes.