Bar's Leaks Engine Oil Stop Leak Concentrate

Product Code: 1010
Availability: Out Of Stock

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Bar's Leaks® Engine Oil Stop Leak Concentrate is specially designed to stop seal and gasket leaks caused by normal engine wear and age. Works with ALL gasoline and diesel engines using conventional, high mileage and synthetic engine oil.

  • Stops & Seals Motor Oil Leaks
  • Restores Gaskets & Seals to Stop & Prevent Engine Oil Leaks


Add entire bottle of stop leak to engine oil at or between oil changes. Do not overfill. Leaks usually stop in 200 miles or 3 days of driving. If leak continues, a second application may be required or mechanical attention is needed. 


1 bottle treats up to 5 quarts of oil. For larger systems use 1 bottle for every 5 quarts of oil capacity. On small 4 cycle engines, use approximately 2 ounces per quart of capacity.

Made in USA