Delivery info

Free delivery on all our products which will take between 3-5 days. Next day delivery available. UK shipping only.

30 days returns

Not right for you? No problem. We offer 30 day returns please visit our returns page for help.

12 months warranty

Quality comes first and our products are designed to last which is why we offer 12 months warranty.

Normfest Radseal Radiator Sealer 150ml - HWB Car Parts

Normfest Radseal Radiator Sealer 150ml

We wont be beaten on price! See our price promise here

If your radiator has a small leak try our new RadSeal, this is the semi-permanent solution to stop your radiator from leaking! Unbelievable results.

This product is eligible for free UK delivery. Next day delivery available from £5.99. Same day delivery and click & collect in Swansea. Please select which delivery option is right for you at checkout. Click here for delivery info. 

Not happy with your new item? No problem. Simply send it back to us within 30 days of your purchase for a full refund. Terms & conditions apply. 


  • Safe for the water pump and heating circuit
  • Suitable for aluminium core radiators
  • Also suitable as a preventative measure
  • 150ml is sufficient to treat up to 10 litres of coolant



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