Cooling System Additive
$14.32
In stock
SKU
NCB-30301
Permatex’s Radiator Repair & Stop Leak is designed to provide automotive users with a reliable and cost-effective solution for fixing leaks in their vehicle's radiator system. This premium product is formulated with advanced chemistry that protects against coolant loss by stopping most leaks from the radiator, heater core, and engine block core expansion plugs, as well as seepage from the head gasket.
ASTM tested and certified
Easy to use 1 step process
Does not clog radiator cores
Protects against coolant loss
Undyed for compatibility with antifreeze of any color
Compatible with all standard, extended-life, and hybrid Coolants
Works on coolant leaks, freeze plugs, radiator, heater core and more
Stops common radiator & cooling system leaks with no draining required!
ASTM tested and certified
Easy to use 1 step process
Does not clog radiator cores
Protects against coolant loss
Undyed for compatibility with antifreeze of any color
Compatible with all standard, extended-life, and hybrid Coolants
Works on coolant leaks, freeze plugs, radiator, heater core and more
Stops common radiator & cooling system leaks with no draining required!