Engine Oil Stop Leak

Lucas Oil Products, Inc.

Engine Oil Stop Leak


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Lucas Engine Oil Stop Leak is an all new formulation of Lucas additives and very specific base stocks designed to stop seal leaks in engines!

Key Benefits

  • Compatible with petroleum, semi-synthetic and full synthetic motor oils
  • 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


  • #10278 - 1 Quart (Case of 12) - 25 lbs
  • #10279 - 1 Gallon (Case of 4) - 33 lbs
  • #10103 - 55 Gallon Drum (1 Drum) - 440 lbs


Product Spec Sheet Technical Data Sheet
Safety Data Sheet Safety Data Sheet

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Bought a bottle of Lucas Oil Stop Leak. PROBLEM SOLVED!

I have a 2004 Saturn Ion. Have not driven it much until 2015. After two years, and an odometer reading of 38,000 miles, the engine block started to leak. I went to the autoparts store and bought a bottle of Lucas Oil Stop Leak. PROBLEM SOLVED! Thank you Lucas because when I saw the leak, and knew how much it would cost to pull the engine to replace the gaskets. Not one single drip two weeks later. -Gino T.
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