Description
Wynn’s Radiator Sealant is designed to protect 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. Wynn’s® Radiator
Sealant is added to new engine coolant after a complete cooling system exchange service or to the cooling
system between scheduled maintenance services.
FEATURES AND BENEFITS:
✔ Stops Common Radiator & Cooling
System Leaks
✔ Protects Against Coolant Loss
✔ Will Not Clog Radiator Cores
✔ Compatible with All Standard,
Extended-life, and Hybrid Coolants
✔ Undyed for Compatibility with Antifreeze
of Any Color
Applications
Add to coolant as needed or after radiator fluid exchange.
Directions
Product should be added when engine is warm. Remove radiator cap, shake well and pour contents of bottle into the cooling system
Note: Not intended to substitute for mechanical repairs. Never add to an exchange machine.