10 Best Oil Leak Sealant of March 2024

List of Top Rated Oil Leak Sealant from thousands of customer reviews & feedback.

Updated On Mar 2024

2,280 Reviews Studied

By Customer Ratings

1
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BlueDevil Transmission Sealer Read Review

  • Guaranteed Permanent Seal
  • Restores Dried, Cracked, and Shrunken Rubber Seals
  • Works in Manual or Automatic Transmissions

2
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Bar's Leaks 1010-6PK Engine Oil Stop Leak Concentrate - 11 oz, (Pack of 6) Read Review

  • 1 bottle treats 4 to 5 quarts of oil
  • Prevent minor engine leaks
  • Works with all gasoline and diesel engines
  • Works on synthetic engine oil

3
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Lucas 10011 Power Steering Stop Leak - 32 oz, White Read Review

  • Very cost effective
  • AFFORDABLE SOLUTIONS
  • Improves steering response
  • Stops rack and pinion problems

4
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BlueDevil Power Steering Stop Leak Read Review

  • Works on gasoline or diesel engines
  • Restores Dried, Cracked, and Shrunken Rubber Seals 
  • It's safe and easy to use

5
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Refrigeration Technologies RT201B Nylog Gasket/Thread Sealant Read Review

  • Pack of 60 Dickson authentic charts
  • For works with 6"(152mm) temperature chart recorder, KT6, 6"(152mm) temperature and humidity chart recorder, blood bank recorder, 6" temperature and humidity chart recorder
  • Package Length: 6.5"
  • Package Width: 6.5"

6
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Bar's Leaks Concentrated Rear Main Seal Repair - 16.9 oz Read Review

  • Seals timing cover, cam seal, rear main and other hard to stop oil leaks
  • Add to engine oil
  • Specifically designed to seal rear main leaks, but also works better than a conventional stop leak on all other leaks
  • Add entire bottle of Rear Main Seal Repair to engine crankcase (where you add oil) at or between oil changes. Do not overfill. Most leaks will stop within 100 miles or 2 days of driving
  • DOSAGE: One bottle treats 4 to 6 quarts of oil.

7
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BlueDevil Oil Stop Leak Read Review

  • For best performance, follow the manufacturer's recommendations in your vehicle owner’s manual.

8
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ATP AT-205 Re-Seal Stops Leaks, 8 Ounce Bottle Read Review

  • Professional strength fast acting resealer, stops leaks fast
  • Rejuivinates all rubber seals & gaskets in engines, transmissions, power steering, differentials and hydraulic systems
  • Compatible with conventional and synthetic oils, ATF, gear oil, power steering fluids and hydraulic oil
  • Does not contain petroleum distillates, will not over-swell or breakdown seals
  • 8oz bottle will treat a 6 quart capacity, adjust accordingly

9
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Lucas Oil 10278 Engine Oil Stop Leak Read Review

  • Fit Type: Universal
  • Renews worn seals with no risk of damage or eventual corrosion
  • Reduces engine noise and oil consumption, while raising oil pressure
  • Contains no harmful solvents

10
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Permatex 82099 Spray Sealant, 9 oz. Read Review

  • Durable rubber barrier stops leaks in minutes
  • Targets low pressure leaks in hoses, oil pans, differentials, transmission pans, as well as plastic, PVC and metal pipes
  • Eliminates the need for liquid additive sealers that can swell and foul internal seals
  • Seals hard-to-reach leaks without the need for disassembling or removing parts
  • Resists common shop fluids