Suitable For All Types Of Vehicles E.G. Indian, Japanese, American, European & Korean Cars,Protects Engine Block From Rust/Corrosion,Prevent Boiling Of Cooling Water In Most Severe Conditions.Follow Manufacture'S Recommendation & Periodically Check Expansion Bottle Depletion And Top Up With Wuerth Coolant Concentrate.It Is Desirable To Flush The Coolling System With Water And Cooling System Cleaner Before Changing With Wuerth Radiator Coolant