NO LEAK®brand Engine, Transmission and Power Steering Stop Leak stops leaks by safely and effectively repairing and restoring seals and gaskets. NO LEAK Cooling System Stop Leak repairs radiator and heater cores to stop leaks and corrosion while it lubricates water pumps. Safe and compatible with all antifreeze and coolants (green, orange, yellow or G-05, etc.). All are guaranteed to stop leaks in one treatment or your money back!
ONE BOTTLE FIXES LEAKS