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Bar’s Leaks first revved up back in 1947, when it created the now - famous formula to stop a radiator leak from within. With over 65 years of experience under our belt, you can trust that Bar’s Leaks has a product to fix your leak.

1947

Bar's Leaks is Founded

Bar's Leaks founded in California by Fred Barton (1970-1975), who discovers a unique ingredient called RHIZEX to stop radiator leaks. RHIZEX is later awarded a patnt by the U.S. Trademark and Patent Office.

1950

Products Enter Automotive Aftermarket

Bar's Leaks enters the traditional automotive aftermarket: jobbers, warehouses and repair garages. The products debut in glass bottles.

1952

Adopted by Major U.S. Automakers

Bar's Leaks products used in regular and heavy duty assembly lines as OEM treatments by major US automakers. This practice continues today on a global scale.

1958

Bar's Leaks Stops Major Leak in USS Nautilus

During the legendary trip of the nuclear submarine USS Nautilus, Bar's Leaks is used to stop a hidden leak in one of the vessel's nuclear reactor steam condensers, which allowed the submarine to complete its historic mission as the first submarine to travel under the North Pole

1963

Products Update their Look

Bar's Leaks switches packaging from its original glass bottle to advanced metal cans to enhance product durability and longevity.

1965

Enters Retail Auto Aftermarket

Bar's Leaks enters the retail auto aftermarket. Its products are found in major auto parts retailers around the world to this day.

1968

Introduces New Line of Products

Bar's Leaks introduces tablet-based stop leak product. Since then, over 1 billion tablets have been sold.

1971

Bar's Bugs is Developed

Bar's Leaks Australia & H.O. Wiles develop a windscreen cleaner additive to perform in Australasian conditions. Due to the trementdous cleaning performance, Bar's Bugs has been the Number 1 selling screen wash year afer year.

1974

NO'VERHEAT Kit is Created

Fred Barton invents NO'VERHEAT, a kit that converts cars' open cooling systems to closed. NO'VERHEAT sells in three sizes to accommodate all vehicle types.

1982

Brand Reaches a Milestone

Bar's Leaks sells one-hundred-millionth bottle of cooling system stop leak.

1983

Modern Plastics Technology Used for New Packaging

Taking advantage of modern plastics technology, Bar's Leaks migrates all products to a plastic bottle, reducing weight while keeping preduct durability high.

Today

Bar's Leaks, Still Going Strong

Bar's Leaks is sold around the globe including OEM, factory installed new vehicles made in the USA and Internationally, including General Motors, Ford, Chrysler, and Subaru. Bar's Leaks is the most widely used and trusted stop leak and rust inhibitor in the world.

Stories

Experiment With Tin Can

Experiment With Tin Can

Sep 12, 2019H O WILES Limited AU Admin

Experiment With Tin Can For nearly a half-century the Tin Can Demonstration has been used to exhibit the efficiency of Rhizex, the “active” ingredient in Bar’s Leaks radiator stop leak...

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U.S.S. Nautilus

U.S.S. Nautilus

Sep 12, 2019H O WILES Limited AU Admin

U.S.S. Nautilus Courtesy ofHistoryLink.org On June 3, 1958, the U.S.S. Nautilus, the world’s first nuclear submarine, visits Everett and Seattle. In Seattle, crewmen dressed in civilian clothing secretly buy 140...

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The World Champion’s Mate

The World Champion’s Mate

Sep 12, 2019H O WILES Limited AU Admin

The World Champion’s Mate When not assisting with record-breaking journeys under the North Pole, Bar's Leaks has also helped Australian racing champions on the road to victory. When World Champion...

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Products