STP® Engine Stop Leak

Engine oil additives. STP Oil Treatment

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

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.