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Carlube

Stop Leak Additives

Carlube in the Universal Auto Spares range is a radiator sealer for coolant system leak repair, listed at 300mL. Check the size and your cooling system's requirements before you choose.Carlube radiator sealer for coolant system leak repair, 300mL.

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Carlube Radiator Sealer

A single radiator sealer for coolant system leak repair. A few checks help you decide whether it suits your situation.

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About this radiator sealer

This Carlube radiator sealer is listed for coolant system leak repair at 300mL. It is an additive rather than a replacement for coolant or for a failed part.

Before you buy

Read the product label and details to confirm it suits your radiator and the coolant type you run, and compare the pack size to your system. A sealer does not replace finding where a leak is coming from; a damaged hose, radiator or pump may need replacing, and a workshop can check the cooling system if you are unsure.