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Your cart is empty.Radiator Stop Leak Will not clog cooling systems Mixes with all types of anti-freeze Stops leaks in radiators, head gaskets, blocks, soft plugs, valve ports and headers
Joe
Reviewed in the United States on February 14, 2024
Have a 2000 dodge Dakota with a leaky heater core put Justice brother Stuble in within 10 minutes stop leaking then running it every day for two weeks worked great
Rubberduckiemom
Reviewed in the United States on October 2, 2022
I don’t give many 5 stars…We have a leaky head gasket and even the mechanics doubted this would be enough to prevent/delay the needed repairs- but they said to give this specific brand a try. I couldn’t find it locally and I had to wait a week for it to arrive from Amazon- that was a rough week. But after using this, my steamy smelly antifreeze mess completely disappeared. It was leaking and burning off to the point of a steamy mess pouring out of the hood every time I drove a few miles.It may not be a “forever” solution but it appears that it will get me through until my new car can arrive. So I am incredibly grateful and was overly impressed with the product!
earl
Reviewed in the United States on August 26, 2021
You need to clean your radiator 1st with their cleaner and do a couple of drains on your radiator then use this stop leak and it should work it did on my 04 Wrangler
Kaeru
Reviewed in the United States on January 18, 2018
I used this product, following the directions. My radiator leak was a slow leak so I had hoped this would create the seal needed to stop the problem. Unfortunately, it did not help. If anything, the leak now seems to have accelerated.
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