Engine Oil Stop Leak

SKU: ZW50602 Category:
Packaging Information:

11 FL OZ / Case of 24 Ea.


Wynn’s® Engine Oil Stop Leak is a special blend of chemicals formulated to stop and prevent engine oil leaks and oil burning without dismantling. This product revitalizes rubber and neoprene seals and O-rings, stops oil leaks past valve stem seals and reduces blow-by. Suitable for all Gasoline and Diesel Four-Stroke Engines.

  • Reduces and Stops Oil Leaks
  • Conditions Seals and Gaskets
  • Reduces Exhaust Smoke Due to Oil Burning
  • Helps Protect Engine from Damage Due to Oil Depletion


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One bottle treats most car engines. For larger engines, treat at 10% of engine oil capacity.


At operating temperature or while engine is warm, add contents to engine oil with engine turned off. Use at each oil change or as needed between oil changes.

Note: This product is intended for older gasoline or diesel engines. It is not intended to substitute for mechanical repairs.

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