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Bar's Leaks
At Bar’s Leaks, we make everything as easy as possible for our customers. If you can open the hood of your vehicle and open a bottle, using Bar’s Leaks is within your “repair range.” Our products have been making “three-minute mechanics” out of people for over decades, for all types of vehicles and all types of leaks. There’s expertise needed, which means you can skip the expensive trip to the mechanic. And what you gain in convenience and cost savings you don’t sacrifice in effectiveness. Bar’s Leaks creates specially formulated products that seal the problem from within, so you can get back to your life — all while avoiding costly repair bills.

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Description: Antifreeze / Coolant Additive, Bar's Stop Leak, 11.00 oz Bottle, Each
Item #: ATP1196
Condition: New
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Price: $6.99
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Description: Antifreeze / Coolant Additive, Bar's Stop Leak, 6.00 oz Bottle, Each
Item #: ATP1194
Condition: New
Limited Supply: Only 0 Left!
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Description: Antifreeze / Coolant Additive, Liquid Copper Bar's Radiator and Intake Stop Leak, 11.00 oz Bottle, Each
Item #: ATP1109
Condition: New
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Items 1-3 of 3

More About Bar's Leaks

At Bar’s Leaks, we make everything as easy as possible for our customers. If you can open the hood of your vehicle and open a bottle, using Bar’s Leaks is within your “repair range.” Our products have been making “three-minute mechanics” out of people for over decades, for all types of vehicles and all types of leaks. There’s expertise needed, which means you can skip the expensive trip to the mechanic. And what you gain in convenience and cost savings you don’t sacrifice in effectiveness. Bar’s Leaks creates specially formulated products that seal the problem from within, so you can get back to your life — all while avoiding costly repair bills. 

Bar’s Leaks is more than just a stop-leak company. We are a team of enthusiasts and experts who create memorable experiences with each and every one of our customers. With nearly 70 years of experience in helping everyday automobile owners repair leaks, we have the track record of success and long history that demonstrates our commitment and passion to helping drivers of all experience levels. The Bar’s Leaks experience encompasses everything from exciting sponsored events to unique how-to videos that support you through our easy product installation process. You’ll see that our passion shines through in everything we do, and you’ll discover that same passion when you experience the quick-working effectiveness of Bar’s Leaks products.

We want you to experience our life behind the Bar’s Leaks name — a team of dedicated, life-long car lovers, chemical engineers and problem solvers. We can be your go-to fix for any leaks related to cooling systems, engine oil, power steering, head gaskets, transmissions and much more. Our leak-stopping products travel nicely, too. Keep us in your trunk, your garage, or pick us up on your way to work so we can help you get your vehicle back on the road!

As America’s best-known brand of leak-stopping products, we try to live up to our legacy of success each day. While you can find other providers who claim to offer leak-stopping products, their formulas don’t always work and they sometimes make things worse. At Bar’s Leaks, we’re not merely dabbling in this industry, moonlighting in repair chemicals as just one part of a large business. Rather, we’re solely committed to providing fast, easy, effective ways to repair leaks, and we have the top-flight chemical engineers and customer support specialists to back it up.

Made right here in the U.S.A., each individual Bar’s Leaks product is formulated and manufactured just outside of Detroit. We’re committed to creating fast and affordable products that fit perfectly into your lifestyle and budget — just like we were when we first started selling our leak-stopping products in 1947. Choose Bar’s Leaks, so you can discover just how simple automotive maintenance can be when you have the right tools.

Bar’s Leaks. The fastest, safest way to get your show back on the road. Guaranteed.

Most car owners aren’t expert mechanics. When they notice a puddle underneath their vehicles, or when they turn the steering wheel and hear the telltale whine that indicates a leak, they start to think about the time it’ll take to visit a mechanic and how much the bill will be when the work is complete.
But this doesn’t have to be the reality, no matter how little you know about cars and automotive maintenance. Rather, when you choose Bar’s Leaks for leak sealants, you gain access to a fast, easy and affordable solution to a variety of automotive needs.

Our award-winning products stop leaks in your critical engine components — quickly and safely. We have a wide rage of formulas specifically made to stop any type of leak from within. All you have to know how to do is open a bottle and the hood of your car. You can take advantage of our advanced car leak sealant products to avoid a time-consuming and expensive visit to the mechanic.

Not sure where your leak is coming from? Not a problem! Our Three-Minute Mechanic guide below will help you identify the source of your leak and recommend the best product to fix it. At Bar’s Leaks, we’re committed to making the process of stopping your leaks as fast and easy as possibly.

We stand behind our leak sealant products — they’re the fastest, safest way to get your show back on the road. Guaranteed.

At Bar's Leaks, our specialty is chemical repair solutions for a range of automotive problems. When you need car leak sealant for issues related to engine oil, power steering, transmissions, head gaskets, cooling systems and other components, we have the leak sealant that saves you time and money – no special expertise required. While you can find a variety of products on the market that claim to be advanced car leak sealants, many of these products fail to get the job done, and some can even make the issue worse.What makes Bar's Leaks your best bet for car leak sealant? We have nearly 70 years of experience, plus a team of top-flight chemical engineers and customer service representatives who are always searching for ways to create better products and to better serve customers like you. Our goal is to always see you back on the road as quickly as possible, and as easily and inexpensively as possible, too. Bar's Leaks car leak sealants are made right here in the United States, just an hour outside of Detroit. And our tens of millions of products sold through the decades are a testament to the effectiveness of our solutions.