Engine Stop Leak | STP.com STP® Engine Oil Additives | Engine Stop Oil Leak Treatment
  1. Products
  2. OIL ADDITIVES
  3. ENGINE STOP LEAK

STP® Engine Stop Leak Rejuvenates seals and gaskets and helps fortify oil with a viscosity enhancer.


Rejuvenates seals and gaskets

  • HELPS STOP MINOR OIL LEAKS HELPS STOP MINOR OIL LEAKS
  • FORTIFIES OIL WITH VISCOSITY ENHANCER FORTIFIES OIL WITH VISCOSITY ENHANCER
  • LUBRICATES MOVING ENGINE PARTS LUBRICATES MOVING ENGINE PARTS

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

Usage Frequency

Use for minor oil leaks.

Take Note!

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

FAQs Basic Maintenance