5.7L V10 350–425hp Verado / 350hp SeaPro
- Brand / Family
- Mercury 5.7L V10 outboards
- Years
- Year is not the primary fitment key.
- Serial / Note
- Serial number 3B266064 and higher
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8M0207807 Service Kit for Mercury | JLM Marine
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Fitment answer
Fits the published 5.7L V10 applications listed below
Match key: Match the engine model and serial number; horsepower alone is not the fitment key.
- Primary reference
- Mercury 8M0207807
- Product form
- Aftermarket 100-hour maintenance kit
- Fitment key
- Engine model and serial number
Compatible Engine Models
Confirm your engine model/year in the table below. For Mercury owners, here's a guide to help you identify your engine's serial/model: Mercury Serial Number Guide. You can also review exploded diagrams to verify part numbers: Mercury Parts Diagrams & Catalog.
Part Numbers & What You Get
On a phone, each row stacks into a card.
| Type | Full number | Relationship |
|---|---|---|
| Mercury reference | 8M0207807 | Primary reference |
| JLM-listed oil filter | 8M0205848 | Package contents |
| JLM-listed fuel filter | 8M0157616 | Package contents |
| JLM-listed gear oil pump | 24OP149 | Package contents |
Package contents
- 8M0205848 – Oil Filter x1
- 8M0157616 – Fuel Filter x1
- 830749.0 – Lower Unit Drain Gasket x2
- 24OP149 – Gear Oil Pump x1
- 830749 – Lower Unit Drain Gasket x2
Key Specifications
- Service interval
- 100-hour maintenance kit
- Engine platform
- Mercury 5.7L V10 outboard
- Service components
- Oil filter, fuel filter, lower-unit drain gaskets, gear oil pump
Easy-to-Miss Differences
- Application is determined by the specific 5.7L V10 model and serial number, not by horsepower alone.
- The package list records 830749.0 and 830749 as separate drain-gasket entries; retain both listed lines when matching the supplied items.
JLM Marine Advantage
More than 20 years of marine-parts manufacturing experience. This high-quality aftermarket replacement is engineered to meet or exceed applicable OEM specifications. Every unit is 100% inspected before release.
- Factory-direct pricing
- One-year coverage for manufacturing defects under normal use.
- Technical support from the people who make the parts
Aftermarket product: Not a genuine Mercury part. Brand names and part numbers identify compatible applications only.
Installation Notes
- Use the engine serial number and the linked parts diagrams to match the application before beginning service.
- With the engine cool and upright, service only the components supplied in the kit following the engine manufacturer's maintenance procedure.
- Fit the labelled filter and drain-gasket items to their respective service points, then inspect for leaks before returning the engine to service.
FAQ
How do I determine whether this kit is right for my engine?
Published reference applications are Mercury 5.7L V10 350–425hp Verado and 350hp SeaPro outboards from serial number 3B266064. Use the serial-number guide and parts catalog to match your exact engine.
Is this a genuine Mercury maintenance kit?
No. This JLM Marine listing is an aftermarket replacement. Mercury brand names and reference numbers identify compatible applications only.
We can ship to virtually any address in the world with free shipping available for most regions.
For our typical US and Canadian customers , our shipping timeframes are as follows:
- Amazon FBA: orders will be delivered within 1-5 business days after placing the order (during certain special periods such as major promotions, Christmas, etc., the delivery time of Amazon FBA may be affected).
- US warehouse shipment: orders will be delivered within 5 days after placing the order.
- China warehouse shipment: orders will be delivered about 12 days after placing the order.
When you place an order, we will estimate shipping and delivery dates for you based on the availability of your items and the shipping options you choose. Depending on the shipping provider you choose, shipping date estimates may appear on the shipping quotes page.
Please also note that the shipping rates for many items we sell are weight-based. The weight of any such item can be found on its detail page. To reflect the policies of the shipping companies we use, all weights will be rounded up to the next full pound.
Founded in 2002, JLM Marine has established itself as a dedicated manufacturer of high-quality marine parts, based in China. Our commitment to excellence in manufacturing has earned us the trust of top marine brands globally.
As a direct supplier, we bypass intermediaries, which allows us to offer competitive prices without compromising on quality. This approach not only supports cost-efficiency but also ensures that our customers receive the best value directly from the source.
We are excited to expand our reach through retail channels, bringing our expertise and commitment to quality directly to boat owners and enthusiasts worldwide.
Parts Finder
Use our Parts Finder to quickly locate the correct parts for your engine. Search by Make, HP, Stroke, Model, Year, and SN.
Select only the fields available — you don’t need to fill all options (e.g., leave Year blank if not applicable).
Our database is currently being updated and expanded. More models, including Yamaha, Mercury, and Suzuki, are being verified and uploaded.
Our database is currently being updated and expanded. More models, including Yamaha, Mercury, and Suzuki, are being verified and uploaded.
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