Liquid Copper Block Seal For Intake And Radiator Leaks, Stops Coolant Loss Permanently, Antifreeze Safe, 18 Oz Per Bottle, 4 Pack For Cars Trucks SUVs Vans And RVs
✔️ 4 bottles, 18 oz each; permanent radiator leak fix, antifreeze-safe
This liquid copper block seal is a one-step coolant leak fixer designed for automotive cooling systems in cars, trucks, SUVs, vans, and RVs. It seals leaks in radiators, heater cores, intake manifolds and gaskets without draining the cooling system, and is antifreeze-safe.
✅ Permanently seals coolant leaks from radiators, heater cores, blocks, and gaskets.
✅ Antifreeze-compatible sodium silicate liquid glass penetrates and seals leaks.
✅ One-step pour into radiator; no draining required and won't harm cooling system.
✅ Works with all traditional and extended-life coolants (OAT/HOAT).
💡 What is a liquid copper block seal used for in automotive cooling systems? This handy, one-step fix stops coolant loss permanently. - Seals radiators, heater cores, intake manifolds, and gaskets. - Compatible with traditional and extended-life coolants (OAT/HOAT). - Safe for aluminum, plastic, and cast iron components.