STP Engine Stop Leak 300ml GST63300EN

Renew worn seals and gaskets — and stop oil leaks without mechanical work.

STP® Engine Stop Leak is formulated with a special agent to renew polymer seals and gaskets damaged by engine heat. It eliminates oil leaks, increases the protection of your existing engine oil and contains no solids to clog filters or harm oxygen sensors and catalytic converters.

• Renews polymer seals and gaskets damaged by engine heat
• Helps eliminate oil leaks
• Increases existing engine oil protection
• Suitable for regular and synthetic motor oils
• Contains no solids — won’t clog filters
• Will not harm oxygen sensors or catalytic converters
• Ideal for retail and trade