Scientifically formulated to permanently seal coolant leaks that are the cause of most overheating problems. Contains Xtreme Cool™ which stops overheating and reduces water temperature. Liquid Aluminum™ is part of the next generation stop leak line. It is guaranteed to safely and easily seal leaks in plastic, aluminum and metal radiators, heater cores, gaskets and freeze plugs. Works in cars, trucks, vans, SUV’s and RV’s. Use with all types of antifreeze including conventional green or blue (silicate-based) and extended life red/orange or yellow (OAT/ HOAT) antifreeze. For most vehicles leaks stop in only a few minutes.

• Seals Radiator Leaks
• Seals Freeze Plug Leaks
• Repairs Gasket Leaks
• Repairs Heater Core Leaks
• Lowers Water Temperature