Primary Use

Engine Stop Leak will blend with any engine oil to help reduce or eliminate those minor engine oil leaks which occur when gaskets and seals dry up and shrink or crack.

Key Features

  • Swell agent revitalizes seals.
  • Valve cover, oil pan, timing cover gaskets and main seal will remain pliable and functional.

Directions for Use

  • Add Engine Stop Leak directly to engine oil.
  • One 350ml container is sufficient for up to 5 litres of oil.
  • If leaks persist after a few days, seek mechanical repair.


Will it clog my oil filter?

No, it contains a seal swell agent, there are no powders or particles in this additive.

Does it work in synthetic oil?

Yes, it works in all types of oils.

Is this a permanent solution to the leak?

No, it will provide temporary relief but it is suggested that you seek mechanical repair.

Why Shrader?

  • Canadian-owned and operated, Shrader is a complete service company with 60 years of success.
  • A complete one-stop operation. All design, formulation, manufacturing, and supply chain services are managed in-house.
  • Supported with technical expertise in R&D, Manufacturing, Logistics, Sales and Marketing Services.
  • Flexibility and choice in scope and range of services to meet the requirements of our customers.
  • Certified and audited to World Class Standards, with an exceptional record of regulatory compliance and high quality products and service.
  • Provide OEM approved and custom formulation and manufacturing.
  • In-house capabilities and expertise for full range of R&D, Physical and Chemical, Functional and Quality Testing requirements – including Practical End Use Testing Protocols.
  • Partner with clients to design and conduct End Use efficacy testing procedures.


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