Gunk M21-12 Motor Medic Concentrated Engine Oil Stop Leak 12 oz

Gunk Motor Medic Concentrated Engine Oil Stop Leak is a specially formulated oil additive designed to revitalize aging oil seals and gaskets that have shrunk due to age, temperature, or wear. This petroleum-based formulation effectively stops minor oil leaks without requiring disassembly of engine components.

Key Features:

• Rejuvenates old, tired oil seals and gaskets that have shrunk over time
• Will not plug oil filters or clog vital engine oil passages
• Seals pan gaskets, valve cover gaskets, timing gear covers, and main bearings
• Stops leaks in front and rear main bearing seals, head gaskets, and timing chain covers
• Compatible with all types of sealing and gasketing materials
• Mixes with all motor oils for easy application
• Safe for use in automotive and heavy equipment engines, both gas and diesel

Simply add this concentrated formula to your existing engine oil to help eliminate oil leaks and extend the life of your engine seals. The specially designed formula flows easily and integrates completely with your motor oil for maximum effectiveness.