Liqui Moly Radiator Stop-Leak is a specialised dispersion formulated to seal small leaks and hairline cracks in vehicle water-cooling systems. The stabilised solid particles circulate through the cooling system, effectively closing minor leaks without dismantling components.

• Compatible with conventional coolant water refiners and antifreezes
• Suitable for aluminum radiators
• Permanently and reliably seals hairline cracks and small leaks
• No negative side effects on the water pump or heating circuit
• For preventive use