BlueDevil Oil Stop Leakseals engine oil leaks permanently. It is non-clogging and will not harm your engine. BlueDevil is safe and easy to use and is compatible in gasoline or diesel engines. Our stop leak additive solution is guaranteed to keep your leak sealed even after miles of driving or your money back. BlueDevil Oil Stop Leak is an oil leak sealer that will stop your oil leak permanently.

Product Features:

• Guaranteed to permanently seal seeping or dripping oil leaks
• Repairs and reconditions rubber seals throughout any fluid oil system
• All leaks are sealed while the vehicle is being driven