Engine Oil Stop Leak Concentrate is specially formulated to stop and seal motor oil leaks caused by normal engine wear and age. It not only stops leaks, but also prevents them by conditioning and restoring gaskets and seals. Bar's Leaks technology is time-tested and proven effective by the tens of millions of customers we’ve served in over 70 years of doing business. If you have an engine oil leak or are absolutely wanting to prevent one - we have the solution for you.

Product Features:

• Works with all gasoline and diesel engines
• Restores gaskets and seals to stop and prevent engine oil leaks
• Prevent minor engine leaks
• Works on synthetic engine oil