Skip to content Skip to navigation menu

K-Seal Cooling System Repair 236mL - K5501

SKU: OA04927 Part Number. K5501
Permanently seals leaks & cracks in head gasket, block, radiator & water pump.
No draining, no flushing.
4 payments of $7.00 with
Check Suitability
Delivery Options:
Expand to view your delivery options
click and collect icon
Click & Collect
Click & Collect is not available for your location
Please select a location from the suggested list
delivery icon
Delivery Not Available
Please select a location from the suggested list


Permanent Coolant Leak Repair with K-Seal

Coolant leaks don’t have to result in costly repair bills – simply add K-Seal K5501 Coolant Leak Repair to your coolant system for a quick and permanent fix. K-Seal is scientifically tested, trusted by millions of customers worldwide, and the only coolant leak repair fluid carried by the AA, the UK’s largest roadside repair company.

Just pour & go

K-Seal couldn’t be simpler to use. Just shake the bottle, add the fluid to your coolant system, and run your engine as normal. K-Seal’s unique formula will seek out holes and cracks, and permanently seal them, with no adverse impact on the efficiency of your engine cooling.


  • Fixes most leaks in water-cooled engines
  • A permanent repair, guaranteed for the lifetime of the engine
  • Scientifically tested
  • Trusted by professionals

K-Seal Cooling System Repair 236mL - K5501