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Car Radiator Sealant

  1. K-SEAL COOLING SYSTEM REPAIR - 236ML k-seal cooling system repair - 236ml Part No :981NA0020
    £11.17
    • In Stock

    • FREE UK Delivery: On orders over £15

    • Click & Collect: Branches nationwide

    • Low Price Promise

  2. WYNNS COOLING SYSTEM STOP LEAK - 325ML wynns cooling system stop leak - 325ml Part No :981AA0511
    £8.92
    • FREE UK Delivery: On orders over £15

    • Click & Collect: Branches nationwide

    • Low Price Promise

  3. CARLUBE RAD SEALER - 300ML carlube rad sealer - 300ml Part No :982AA0840
    £3.23
    • In Stock

    • FREE UK Delivery: On orders over £15

    • Click & Collect: Branches nationwide

    • Low Price Promise

  4. POWATEC RADIATOR FLUSH powatec radiator flush Part No :981AA2620
    £4.96
    • In Stock

    • FREE UK Delivery: On orders over £15

    • Click & Collect: Branches nationwide

    • Low Price Promise

  5. Gaskit Fix gaskit fix Part No :981AA1461
    £53.48
    • In Stock

    • FREE UK Delivery: On orders over £15

    • Click & Collect: Branches nationwide

    • Low Price Promise

Shop car radiator sealant at GSF Car Parts to find fast-acting and effective products that will help you get your vehicle up and running again as quickly as possible. If you suspect your car radiator has a pinprick leak, these compounds will provide a quick and easy fix, saving you money on costly and labour-intensive replacements and repairs.

A leak in your car’s cooling system can be incredibly costly to fix, especially if you need to replace the entire car radiator. But these repairs aren’t always necessary and, in cases where there’s only a very small leak, you may be better off using a radiator sealant. This is a fast-acting, easy-to-use compound that will form a protective watertight seal over any fine cracks or holes in the radiator wall, fixing leaks quickly and affordably. They can also be used as a preventative measure to help condition your radiator and protect against future leaks.

We’ve taken care to find products from top brands, including Carlube and Wynn’s radiator sealant, so you can be confident that any you buy will do exactly what it says on the tin. If the coolant levels have dropped as a result of the leak, then you might also want to buy some antifreeze, so you can top up the system to the recommended level again when you’re done. We also have cooling system cleaner that will help keep everything in great condition.

We stock a number of other handy emergency repair products that can be used to fix all manner of faults and issues quickly and easily, including emergency tyre inflation aerosols, exterior mirror repair, and lens repair tape.

Everything you see on our site comes with a low-price promise, as well as free UK delivery over £25, so buy with GSF Car Parts now to save money on your repairs. If you're not going to be at home to receive your parcel, then you may prefer our Click and Collect service, which allows you to pick up your new parts at a time that suits you. Buy liquid radiator sealant from our online store now.