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. STP® Engine Stop Leak will also increase the protection offered by the existing engine oil.

Directions

The entire contents should be added to 4-5 litres of engine oil (approximately 15% treat rate), and leave the engine to run for 15 minutes. At the normal oil change interval drain as usual. If any leaks persist beyond 1,000 miles/1,500km, mechanical repairs may be required – consult a trained mechanic.

Is it safe to use in my vehicle

STP® Engine Stop Leak is suitable for regular/synthetic motor oils and contains no solids to clog filters or inhibit flow. Will not harm oxygen sensors or catalytic convertors.

Take Note!

Suitable for petrol and diesel engines.

FAQS

How does STP Engine Stop Leak work-

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. STP Engine Stop Leak will also increase the protection offered by the existing engine oil.

Does STP Engine Stop Leak stop all engine leaks-

STP Engine Stop Leak is designed to rejuvenates seals and gaskets, it will not stop all leaks e.g cracked engine block, leaking oil pan etc.