Theo FÖRCH GmbH & Co.KG

We only sell to traders

Cooling System - Radiator Stop Leak FÖRCH 5*


  • For all combustion engines with closed water cooling
  • Seals defect water coolings and heat exchangers, non-sealed waterpumps and heating valves, cracked cooling water hoses as well as for preventive application
  • Can be mixed with all commercially available anti-freeze agents


  • Add to cooling fluid, let the engine run and open the heating valve
  • After sealing correct the coolant level
  • Sufficient for cooling systems with 5-10 litres filling quantity
  • In case of increased or reduced filling quantity per litre add correspondingly 50 ml more or less of the cooling fluid