3.4L V6 / 4.6L V8
- Brand / Family
- Mercury FourStroke outboards
- Years
- Year is not the primary fitment key.
- Serial / Note
- 175–300 HP; serial number 2B529482 and higher.
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8M0149929 Service Kit for Mercury V6 V8 | JLM Marine
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Fitment answer
Fits Mercury 175–300 HP FourStroke outboards within the published serial-number range
Match key: Mercury 3.4L V6 or 4.6L V8, 175–300 HP FourStroke, serial number 2B529482 and higher.
- Primary reference
- Mercury 8M0149929
- Product form
- 100-hour service kit
- Fitment condition
- Serial 2B529482 and higher
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 |
|---|---|---|
| OEM reference | 8M0149929 | Published 100-hour maintenance-kit reference |
| Oil filter | 8M0123025 | Listed JLM service-kit component |
| Fuel filter | 8M0106635 | Listed JLM service-kit component |
Package contents
- 8M0123025 Oil Filter × 1 View Part →
- 8M0106635 Fuel Filter × 1 View Part →
- 830749.0 Lower Unit Drain Gasket × 6
- 24OP149 Gear Oil Pump × 1
- 830749 Lower Unit Drain Gasket × 6
The published Mercury reference kit lists an oil filter, fuel filter, and gearcase drain seals. Compare the physical contents of this JLM replacement kit with the service plan before work begins.
Key Specifications
- Service interval
- 100-hour maintenance
- Engine range
- 175–300 HP FourStroke
- Fitment key
- Serial 2B529482 and higher
- Oil filter design
- Screw-on canister style
- Fuel filtration
- 10 micron, water-separating
- Drain-seal structure
- Rubber-coated stainless-steel washer
Easy-to-Miss Differences
- The published serial-number condition is the primary fitment reference; a general production-year range is not published for this kit.
- 8M0149929 is distinct from related oil-included service-kit configurations. Select the fluids specified for the exact engine service plan.
- The original JLM package list names both 830749.0 and 830749 drain-gasket rows. Their public number relationship is not established here.
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
- Free standard shipping on all orders under 1 KG
- 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
- Secure the engine, allow it to cool, and assemble the correct fluids, drain pan, and service tools specified in the engine manual.
- Replace the supplied oil and fuel filters in accordance with the manufacturer’s service procedure.
- During gearcase service, use the drain seals for the applicable drain and vent plugs, and use the listed pump only with the specified gear lubricant.
- Use the engine manual for fluid capacities, tightening requirements, and the final leak inspection.
FAQ
Which Mercury outboards are covered by the published fitment?
The published reference covers Mercury 3.4L V6 and 4.6L V8 175–300 HP FourStroke outboards with serial number 2B529482 and higher. Year is not the primary fitment key.
Are engine oil and gear lubricant included?
The published 8M0149929 reference names an oil filter, fuel filter, and gearcase drain seals. Select engine oil and gear lubricant according to the exact engine manual; the original JLM package list separately names a 24OP149 gear oil pump.
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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