LUBEMAXX RADIATOR SEALER prevents leaks from header gaskets, heater cores, radiators, heater matrices, freeze plugs and water pump housings. Liquid-cooled engines for automobiles, motorcycles, commercial vehicles and agricultural machinery. It can also be used as a preventive measure to ensure the good condition of the cooling system. No need to drain or flush the cooling system.

For preventive maintenance and good condition of the cooling system, LUBEMAXX Radiator Sealant can be applied once a year to prevent leakage and subsequent environmental contamination.

The 300ml package of Radiator Sealer is recommended for use with 6L to 12L coolants. Add the additive to the radiator, run the car for approximately 10 minutes to thoroughly cover the radiator and allow the car to sit for at least a couple of hours for the radiator sealant to set properly.

Note: Radiator sealant products are of limited use: they can stop leaks from small holes (plugging pin holes). For larger leaks, repair or replacement is required