Liqui Moly ProLine Radiator Stop Leak K 250ML Coolant System Sealant 5178

Tax included. Shipping calculated at checkout.

Product Description

Dispersion for sealing leaks in coolant circuits in passenger cars, trucks and buses. Reliably seals hairline cracks and smaller leaks. Can also be used to prevent the need for repair work on the cooling system. The solids dispersion is stabilized in carrier fluid.
- suitable for aluminum radiators
- compatible with conventional coolants and antifreezes
- no negative side effects on the water pump or heating circuit
- permanently and reliably seals hairline cracks and small leaks
- for preventive use


Used for sealing small leaks in water cooling circuits of passenger motor vehicles, commercial vehicles, buses, and industrial applications. Also suited for cooling circuits equipped with water filters.
COMMENT: Store free of frost. Contains biocides as protective agents. Contains a mixture of 5-chloro-2-methyl-2H-isothiazol-3-one [EC no. 247-500-7] and 2-methyl-2H-isothiazol-3-one [EC no. 220-239-6] (3:1).
Shake well before use. Add contents to the cold cooling system and start up the heater. Then drive the vehicle for at least 10 minutes. Contents will treat up to 40 liters of coolant.