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K&w offers a complete line of stop auto leak products to help get your vehicles back on the road fast When used properly, k&w stop leak products can save you both time and money! Find the solution to fix your car leak.

When you have a leak in your cooling system you need a fast, effective, and reliable solution Whether your leak is in your radiator, automatic transmission, power steering, or engine, we can help you diagnose and fix the problem quickly and affordably Turn to crc instant cooling system stop leak for an easy and permanent repair that you can do at home

This pour and go sealer is designed to cure fast and give you a lasting head gasket leak seal in as little as 30 minutes.

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Instant cooling system stop leak permanently fixes radiators, head gaskets, engine blocks, heater cores, water pump housing, and freeze plugs Using nanotechnology, this product fills in cracks & crevices other products can't, making a stronger, more solid bond than competitors' products Fix engine problems with k&w products from crc Engine block sealer, head gasket repair, radiator stop leak & automotive engine solutions for pros.

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Order online or pickup at your local autozone store. K&w instant cooling system stop leak with nanotechnology uses nanotechnology, to fill in cracks & crevices making a stronger, more solid bond Fills cracks in aluminum engine blocks, cooling systems, cylinder heads, engine blocks, freeze plugs, head gaskets, heaters cores, iron engine blocks, metal radiators, plastic radiators, radiators, water pumps. K&w has sustained its reputation for the best diy leak solutions since 1938 when the company introduced permanent metallic (tm) block seal, one of the first coolant additives to provide permanent repair

Crc acquired k&w in 1999 with its leading automotive brand names K&w leak solutions are affordable and effective alternatives to costly mechanical repairs and parts replacements

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