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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After using it I will recommend to all my customers with leaks!

I have a 1984 Mercedes Benz diesel that has had many leaks from the day I got it in 2012, over time I’ve replaced this and that but there is 1 leak that I could not get to stop and thus would run a qt of oil a week thru the leak. Put in 2 bottles of stop leak and today the leak has just been a few small drips on the concrete, I expect it to get better since its only been 18 hours and about 6-7 miles of driving. We sell this at our shop and after using it I will recommend to all my customers with leaks! -Jesse
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