Mercury 8M0082880 – OEM Seal Kit, Pack of 3 | MerCruiser Engine
Free returns on all eligible orders
You have 30 days to request a return. All sale items are final sale.
Mercury 8M0082880 – OEM Seal Kit, Pack of 3 | MerCruiser Engine
Part Number: 8M0082880
Brand: Mercury Marine
Official Product Type: Seal Kit
Pack Quantity: 3 kits per package
System: MerCruiser Engine (application confirmed by parts diagram)
About This Part
Mercury 8M0082880 is a genuine OEM seal kit for MerCruiser engine applications, supplied in a convenient pack of 3. The seals are manufactured to Mercury Marine specifications using marine-grade materials resistant to oil, fuel, and the corrosive effects of the marine environment. Having multiple kits on hand is practical for shops and owners who perform regular service intervals, ensuring the correct OEM seal is always available when needed.
Compatible Applications
For use where the Mercury parts diagram specifies part number 8M0082880. Always confirm fitment using your engine model and serial number before ordering.
- MerCruiser sterndrive engine applications (where diagram-confirmed)
- MerCruiser inboard engine applications (where diagram-confirmed)
Exact application varies by engine model, configuration, and serial number range. Verify against the Mercury parts catalog for your specific engine before ordering.
Serial Number & Fitment Notice
Seal specifications can vary by engine model, production year, and assembly location. Always confirm 8M0082880 against your engine model and serial number using the Mercury parts catalog before ordering. Do not select by engine family alone.
Part Number Reference
- Current Part Number: 8M0082880
- Pack Quantity: 3 kits
When to Replace
Replace seals whenever they show signs of leaking, cracking, compression set, or deterioration. Seals should also be replaced any time the assembly they are part of is disassembled during service — reusing a compressed or disturbed seal is a common cause of post-service leaks.
Installation Notes
Ensure mating surfaces are clean and free of debris before installing new seals. Install seals to the correct depth and orientation as specified in the Mercury service manual. Do not reuse seals that have been removed from service.
Parts Desk Insights
Best Use Case: The pack-of-3 format makes this a practical purchase for shops or owners who service the same engine regularly — having spares on hand means a service job is never delayed waiting for a single seal. It’s also a good value for customers who maintain multiple engines of the same model.
Common Issues: The most frequent problem is ordering seals without confirming the part number against the Mercury parts diagram for the specific engine serial number. Seal kits can look similar across different engine families but may differ in material, dimension, or compression characteristics. Always verify 8M0082880 is the correct part for the assembly being serviced before ordering. A second common issue is reusing old seals during reassembly — even if a seal appears undamaged, a seal that has been compressed and disturbed will not provide reliable sealing and should always be replaced.
Shipping information
In-stock and OEM parts: ship same or next business day.
Locally warehoused items: ship within 1-3 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.