Engine Stop Leak

Rejuvenates seals and gaskets and helps fortify oil with a viscosity enhancer.

Over time, normal engine operation can lead to oil leaks. These occur because heat can cause oil seals and gaskets to shrink, dry out and crack. STP® Engine Stop Leak to the rescue.


  • Stop minor oil leaks
  • Rejuvenate seals and gaskets
  • Fortify oil with a viscosity enhancer

Usage Frequency
Use for minor oil leaks.

Take Note!
Try the complete line of STP® Oil Additive products, including Oil Treatment and Smoke Treatment.

View Material Safety Data Sheet (Australia)View Material Safety Data Sheet (New Zealand)