Save money with K-Seal

No need to drain the system or worry about what type of antifreeze is in the cooling system; just shake, pour and get back on the road!

K-Seal is a one-step permanent multi-purpose system for coolant leak repair with over 6 million bottles being sold worldwide to date. It permanently repairs leaks in the head gasket, block, radiator, heater core, freeze plug and water pump casing.

Trusted by professional mechanics, technicians and motorists alike, K-Seal is suitable for use with all water cooled engines including cars, motorbikes, commercial vehicles and heavy machinery.

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.