Universal Engine Oil Treatment by No Leak®. 16 oz. Engine Oil Treatment stops and prevents engine oil leaks. The formula is safe and compatible with all engine oils and is recommended for rear main seal repairs. It helps stop smoking and conditions seals.
- Stops and prevents engine oil leaks caused by dried, shrunken, or harden seals
- Recommended for rear main seal repair
- Stops smoke and repairs rear main seals
- Safe and compatible with ALL engine oils
46% of vehicles on US roads leak hazardous fluids. NO LEAK brand products are guaranteed to stop and prevent leaks in one treatment or you’ll get your money back. Crying over spilled fluid? Not anymore. Protect and preserve your vehicles with NO LEAK.