ABRO AB-404 Powder Stop Leak 20g

Powder Stop Leak is a powdered cooling system leak sealer designed to quickly seal small leaks and help prevent seepage. Suitable for cars, trucks and tractors.

Key Benefits

• Quickly seals small cooling system leaks
• Suitable for radiators, heater cores, head gaskets and freeze plugs
• Helps prevent coolant seepage
• Helps protect against corrosion and scale
• Lubricates the water pump
• Simple pour-in application
• Compatible with water and antifreeze

How It Works

Fine fibres and metal particles circulate with the coolant and collect at small leak points. Special sealing resins react to engine operating heat and form a durable seal.

Applications

Suitable for sealing and preventing small leaks in radiators, heater cores, head gaskets and freeze plugs, as well as preventive use after cooling-system repairs or component replacement.