kseal.com

3.9
3.9 Based on 260 reviews

K-Seal is the one-step permanent repair for all engine coolant leaks. It could save you thousands in garage fees! K-Seal will permanently repair coolant leaks in the head, head gasket, engine block, radiator, heater core, water pump casing and freeze plu...

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Caden Turner
Radiator Issues Resolved

My vehicle with high mileage had a blocked radiator causing overheating. After spending a lot on repairs, the problem persisted. I added K-Seal to the radiator and let it idle for a while. Now the temperature gauge seems stable, and I'm hopeful this will be a lasting fix. I'll provide an update after further testing.

5
Date of experience: Aug 20, 2025

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Business Details

  • K-Seal is the one-step permanent repair for all engine coolant leaks. It could save you thousands in garage fees! K-Seal will permanently repair coolant leaks in the head, head gasket, engine block, radiator, heater core, water pump casing and freeze plug. K-Seal is compatible with all types of anti freeze so there is no need to drain or flush the cooling system. Simply Shake, Pour & Go!

    With over 12 million bottles sold worldwide K-Seal is the number one bestselling coolant leak repair in the USA and is the choice of leading international roadside recovery organisation to help keep their members on the road. K-Seal has been independently university tested in the United Kingdom to meet ASTM D3147, the coolant leak repair standard. K-Seal is available from all leading auto parts stores and online resellers.See more

  • email cbenzie@kseal.com
  • call +4401273891162
  • language https://www.kseal.com

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