JB Weld Radiator Stop Leak is a fast-acting and permanent solution for sealing leaks in car radiators. This easy-to-use formula mixes with coolant and stops leaks in hoses, gaskets, and even small cracks in the radiator itself. It’s compatible with most coolants and won’t clog the radiator or heater core. JB Weld Radiator Stop Leak provides a reliable fix to keep your car running cool and leak-free.
Permanent repair of all types of radiator, Made in USA
