Radiator Sealant – Coolant
Wynn’s Radiator Sealant is designed to protect against coolant loss by stopping most radiator, heater core, and engine block core expansion plug leaks as well as prevents head gasket seepage.
- Stops most radiator/cooling system leaks
- Compatible with all standard and extended life coolants
11 fl. Oz. / 24 per case
Also comes in kit #10068, #10078.
Add to coolant as needed or after radiator fluid exchange.
Add to vehicle cooling system and bring the system to operating temperature.
Safely removes cooling system deposits.
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