Radiator Repair Products | Radiator Sealers

Radiator Repair

A leaking radiator doesn’t have to put your car off the road for weeks. If you would rather sort the problem yourself than wait around for a garage, Holts has you covered. Our radiator leak repair range is built for drivers who prefer a practical, at‑home fix to keep their car running smoothly, giving you the confidence to fix a radiator leak head‑on.

From small, annoying drips to more stubborn coolant loss, patented products like Radweld, Radweld Plus, and Seal-It are the best products on the market to seal radiator leaks. They get to work fast, seal the leak, and keep you driving. No fuss, no specialist tools, just reliable, long‑lasting repairs from brands drivers have trusted for generations.

Radiator Repair

Identifying Issues with Your Car Radiator Hose

Car cooling systems rely on a series of hoses to carry coolant around the engine. Connecting the radiator to the expansion tank, the hoses extend to other components like the heater core and pump, ensuring that all parts of the engine receive a constant supply of coolant/antifreeze. Often referred to as car radiator hoses, these […]

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Radiator Repair

How Often Should I Flush My Radiator?

Of all the parts beneath the bonnet, the radiator is arguably the most commonly overlooked component. It does an important job, cooling the engine and maintaining the right operating temperature whilst protecting it from freezing in winter.

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Radiator Repair

How does Radweld work?

Is your car’s radiator leaking? Rather than paying for expensive repairs, you can use Holts Radweld to fix small holes in your car’s cooling system and achieve a permanent, professional repair.

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