Mercury MerCruiser Gasket 8M0092920
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Mercury MerCruiser Gasket – 8M0092920
Maintain proper engine sealing with the Mercury MerCruiser Gasket 8M0092920. This genuine Mercury OEM gasket is used in various MerCruiser engine assemblies to create a reliable seal between components and prevent oil leaks.
Manufactured to Mercury Marine specifications, this gasket ensures proper sealing of the valve cover / rocker cover assembly, helping protect internal engine components while maintaining correct engine oil containment.
Replacing worn gaskets during maintenance helps prevent oil leaks, maintain engine cleanliness, and ensure long-term reliability of the engine assembly.
Key Features
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Genuine Mercury Marine OEM gasket
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Designed for valve cover / rocker cover sealing
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Helps prevent oil leaks from engine components
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Maintains proper sealing between engine parts
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Direct replacement for original factory gasket
Part Details
OEM Part Number: 8M0092920
Mercury Reference Number: 27-8M0092920
Supersedes: 811588
Product Type: Valve cover / rocker cover gasket
Compatible MerCruiser Engines
Commonly used in various MerCruiser big-block GM-based marine engines, including:
MerCruiser 7.4L (454 CID) V8 Engines
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MerCruiser 7.4L Bravo (Gen V)
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MerCruiser 7.4L Bravo (Gen VI)
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MerCruiser 7.4L MPI
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MerCruiser 7.4L MIE
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MerCruiser 7.4LX MPI
MerCruiser 8.2L (502 CID) V8 Engines
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MerCruiser 8.2L MPI
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MerCruiser 8.2L Mag
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MerCruiser 8.2L Horizon
MerCruiser Performance Engines
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MerCruiser 454 MAG / MAG MPI
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MerCruiser 502 MAG MPI
Mercury Racing Sterndrive Engines
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Racing 500 EFI
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Racing 525 SC
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Racing 540
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Racing 600 SCi
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Racing 700 SCi
These engines commonly use this gasket in the cylinder head / rocker cover assembly depending on engine configuration.
Function
The valve cover gasket seals the joint between the engine cylinder head and valve cover, preventing engine oil from leaking out while protecting the valvetrain from contaminants.
Replacing a worn gasket helps:
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Prevent oil leaks around the valve cover
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Maintain proper engine lubrication
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Keep the engine compartment clean
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Protect internal valvetrain components
Important Compatibility Note
Gaskets can vary depending on engine model, production year, and serial number range. Always verify compatibility using the engine model and serial number before ordering to ensure the correct replacement gasket.
Shipping: Ships same or next day for fast Canada wide shipping. ⚓
Shipping information
In-stock and OEM parts: ship same or next business day.
Locally warehoused items: ship within 3–4 business days.
Special-order items: timeline confirmed after order.
Returns & warranty
Returns & Satisfaction Guarantee
We stand firmly behind the quality of every product we sell. Your confidence matters to us — and we back it with a straightforward 30-Day Satisfaction Guarantee.
If you are not fully satisfied, you may request a return within 30 days of delivery. All returns must receive pre-approval prior to being sent back. Unauthorized returns will not be accepted.
To qualify for a return:
Item must be in new, unused condition
Product must be in its original packaging
All parts, components, hardware, manuals, and accessories must be included
Packaging must be undamaged and suitable for resale
Important:
Electronics are strictly inspected. No returns on open-box electronics. Exceptions may apply only with prior written approval. Any electronic unit that has been installed, powered, activated, or altered may not be eligible for return.
We are serious about product integrity — and equally serious about taking care of our customers. If there is ever a product issue, contact us immediately so we can make it right.
For return authorization, please contact our support team before shipping anything back.