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Engine Stop Leak

Bardahl Engine Stop Leak is an oil additive that is added directly to the motor oil. It ensures that oil leakage, caused by dried-out gaskets, is halted or at least greatly reduced. 

Bardahl Engine Stop Leak ensures the preventive prevention of future oil leaks. As a result, synthetic gaskets and rubber gaskets become smooth again.

  • Makes both synthetic and natural rubber gaskets smooth
  • Stops oil leakage while driving.
  • Enhanced engine performance.
Show more characteristics
  • Loosens stuck piston rings.
  • Reduces oil consumption.
  • Miscible with all types of motor oil.


Pour the entire contents into the crankcase. Suitable for any type of oil, engine, catalytic converter and/or diesel particulate filter.

Related files

Productsheet_1107B-EN Engine Stop Leak