top of page
Oil Products > Engine Stop Leak

Engine Stop Leak


Wynn’s Engine Stop Leak softens and conditions oil gaskets and rubber seals, causing them to swell again to prevent further leaking. It also increases the temperature viscosity index to reduce oil loss and burning.

Features and Benefits:


  • Stops & prevents leaks

  • Reduces oil loss and burning

  • Rejuvenates hardened or shrunken rubber seals, gaskets & O-rings

  • Increases temperature viscosity index

  • Easy to use one shot treatment

  • Safe for Catalytic Converters, DPF & other emission controls

  • Compatible with all mineral & synthetic oils

  • Treats up to 6L



Wynn’s Engine Stop Leak is recommended for all Petrol, Diesel & LPG engines and is compatible with all mineral & synthetic oils. Note: Wynn’s Engine Stop Leak is a temporary solution until the seals can be replaced.

50610_Engine Oil Stop Leak.png
bottom of page