Radiator Stop Leak Product Locator Brake Anti-Seize Brake and Carburettor Cleaner Diesel System Cleaner Engine Flush Fuel Line Cleaner Oil Booster Radiator Conditioner Radiator Flush Radiator Stop Leak Rust Remover Special Maintenance White Grease Interior Care System Applikator Units Applikator Fluid Brake Cleaner Throttle Body Cleaner Auto Transmission Flush Auto Transmission Condioner Clearflow Machine PROTEC RADIATOR STOP LEAK is a unique blend of suspension fibres giving maximum protection against cooling system failures. It prevents seepage from high compression cylinder heads and seals leaks without clogging radiator cores or heater mechanisms. PROTEC Radiator Stop Leak will: Stop leaks in the cooling system Lubricate the water pump Stop dangerous glycol seepage Act as an anti-foaming agent and rust inhibitor This product is compatible with all engine coolants.