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Holts Radweld Plus Coolant Leak Repair (250ml) delivers a fast, total coolingsystem fix designed to seal leaks across the radiator, engine block, cylinder head, hoses, heater core and more. Its advanced anticorrosion formula protects your entire system while providing a reliable, pourandgo solution with no draining or flushing required. Suitable for all cars and all coolant types, Radweld Plus circulates through the system to locate and seal leaks in minutes without clogging or causing damage. Ideal for preventing costly repairs, it treats up to 21 litres and restores confidence in your vehicles cooling performance. Perfect for emergency fixes or preventative maintenance, this industryleading sealant keeps you on the road with minimal effort and maximum effectiveness.
