Sealwel Cooling System Cubes Twin Pack | T5101-2

Kauri Auto Parts supplies brand-new parts only — aftermarket and OE-replacement — dispatched from within New Zealand. The price you see includes GST.

Sealwel cooling system cubes are formulated to seal leaks in radiator systems, head gaskets, engine block cracks and frost plugs. They also address oil-to-water, internal and external leaks.

The cubes remove scale deposits and rust to improve coolant circulation without clogging the system. They also lubricate pump bearings and help keep thermostats and heater valves working.

This twin pack contains two cubes and treats up to 20Litres.

Confirm this part number against your vehicle's existing part before ordering.

• Twin pack containing 2 cubes
• Treats up to 20Litres
• Removes scale deposits and rust
• Lubricates pump bearings
• Protects against rust and corrosion
• Does not clog the system

Check the part number against the part you're replacing. If you'd rather we checked, tell us your make, model, year and engine. Sourced from New Zealand suppliers. Orders are processed in 1 to 3 working days, and most arrive within 3 to 10 working days of your order — no customs, no international freight. New Zealand consumer law applies to every order, and our refund policy includes 30-day change-of-mind returns. If a part turns up faulty or isn't as described, we'll put it right.

Compatibility can vary by model, production date and specification. Review the product notes or send a fitment enquiry before ordering.

Free tracked delivery within New Zealand — typically arriving in 3 to 10 working days.

Read delivery information · Read returns policy