Mercury MerCruiser Seal 8M0204680
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Mercury MerCruiser Seal – 8M0204680
Maintain proper sealing and gear housing protection with the Mercury MerCruiser Seal 8M0204680. This genuine Mercury OEM seal is used in various sterndrive gear housing assemblies to prevent lubricant leaks and protect internal components from water intrusion.
Manufactured to Mercury Marine specifications, this seal helps maintain proper gearcase lubrication and ensures reliable performance in demanding marine environments. Replacing worn seals during routine service helps prevent gear oil loss and protects critical drive components.
Key Features
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Genuine Mercury Marine OEM gear housing seal
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Helps prevent gear oil leaks and water intrusion
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Designed for use in MerCruiser sterndrive gear housings
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Maintains proper lubrication inside the drive assembly
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Direct replacement for original Mercury sealing components
Part Details
OEM Part Number: 8M0204680
Mercury Reference Number: 26-8M0204680
Supersedes: 26-45577-1
Product Type: Gear housing seal
Material: Marine-grade rubber sealing compound
Compatible MerCruiser Drives
This seal is commonly used in MerCruiser sterndrive gear housing assemblies, including:
MerCruiser Sterndrives
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MerCruiser #1 Drive
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MerCruiser MC-1
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MerCruiser R / MR Drives
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MerCruiser Alpha One
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MerCruiser Alpha One Gen II
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MerCruiser Bravo One
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MerCruiser Bravo Two
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MerCruiser Bravo Three
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MerCruiser Vazer Drive
These drives use the seal within gear housing and driveshaft housing assemblies depending on the drive configuration.
Function
The seal prevents lubricant from leaking out of the gear housing while blocking water and contaminants from entering the drive assembly. Over time, seals can wear due to heat, pressure, and exposure to marine conditions.
Replacing worn seals helps:
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Maintain proper gear oil levels
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Prevent water contamination in the drive
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Protect gears and bearings from premature wear
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Ensure reliable sterndrive operation
Important Compatibility Note
Seals can vary depending on sterndrive model, housing design, and serial number range. Always verify compatibility using the engine or drive serial number before ordering to ensure the correct replacement seal.
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.