STP® 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.

Helps protect against engine wear

Usage Frequency

Use for minor oil leaks.

Take Note!

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