MANNOL® - MN9966025 - Radiator Leak-Stop 9966 250ml

Special additive for coolant as a sealant for the cooling system of combustion engines and the interior heating. Suitable for liquid-cooled engines with radiators made of various materials. A blend of metal polymers and special fibers to eliminate leaks in the system. Product Features: - Compatible with any coolant and water - Seals the cooling system, eliminates leaks at seals, clamps, small cracks and more - Hardens only at leak points, without clogging radiator pipes - Especially recommended for micro-cracks and micro-leaks - Neutral to metals, plastics and rubber - Protects seals from drying out and hardening - Offers excellent corrosion protection properties - Extends the life of the water pump - Application: start the engine, turn on the heater, pour the content into the radiator, let it idle for 10 minutes - One bottle is sufficient for systems up to 12 liters If leaks are not eliminated within 3 days, mechanical repair is required.