Universal Radiator Sealer (AS127) by Prestone®. 14.5 oz. Super Radiator Sealer's special formula helps seal larger size leaks. Its unique combination of natural and synthetic components provides the ability to seal leaks.
- Seals without interfering with the flow through the radiator and heater core tubes
- Patented formula provides a strong durable seal
- Quickly seals large leaks in radiators, heater cores and water pumps
- What makes this possible is the size, strength, and durability afforded by fibrillated Kevlar particles - the same materials in bullet proof vests
For several decades, Prestone has been the leading brand in the heavy duty vehicle chemical aftermarket. It provides a comprehensive range of award-winning products including coolants, additives, and testing products for heavy-duty applications. Designed for today’s sophisticated engines, Prestone products provide a vehicle with the protection that no other product even comes close to!