Engine Stop Leak

Helps stop minor oil leaks and rejuvenates seals and gaskets.

Take Note!

If any leaks persist beyond 1,000 miles/1,500km, mechanical repairs may be required – consult a trained mechanic.

Compatible with regular and synthetic motor oils. Suitable for petrol and diesel engines.

Renews Seals and Gaskets
Repairs and protects
Specially formulated

Product Description

STP® Engine Stop Leak is formulated with a special agent to renew polymer seals and gaskets damaged by the heat of normal engine operation, which can otherwise result in oil leaks and expensive mechanical work.

This specialised engine oil stop leak formula will also increase the protection offered by the existing engine oil.

How it helps:

Helps repair engine heat damage.
Eliminates the need for oil leak mechanical work.
Increases existing engine oil protection.
Suitable for regular/synthetic motor oils
Contains no solids to clog filters or inhibit flow.
Will not harm oxygen sensors or catalytic convertors.

Usage Directions

Simply add entire contents to 3-5 litres of engine oil (10% treat rate), and leave the engine to run for 15 minutes. At the normal oil change interval drain as usual.

Usage Frequency: Use as required.

Frequently Asked Questions

STP® Engine Stop Leak is suitable for regular/synthetic motor oils and contains no solids to clog filters or inhibit flow. Our engine oil stop leak formula will not harm oxygen sensors or catalytic converters.