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Mercury 300 Hour V6 Service Kit with Oil & Gear Lube
| Quantity | Price |
| 1 | 526.94 |
OEM Mercury 300-Hour V6 Service Kit with Oil & Gear Lube
Mercury 8M0149930-L Service Kit for 3.4L V6 FourStroke Outboards
The Mercury 8M0149930-L 300-Hour Service Kit is designed for Mercury 3.4L V6 FourStroke outboards.
This OEM Mercury maintenance package includes the major 300-hour service replacement components along with Mercury 10W30 engine oil and Mercury gear lube for a more complete service package.
Compatible Applications
| Engine Family | Engine Size | Engine Type | Application Notes |
|---|---|---|---|
| Mercury FourStroke | 3.4L V6 | FourStroke Outboards | Fits compatible Mercury 3.4L V6 FourStroke outboards |
Always verify your exact engine model and serial number before ordering maintenance kits or replacement service parts.
What is Included
- OEM Mercury oil filter
- OEM Mercury fuel filter
- Oil drain seal
- Spark plugs
- Thermostat
- Alternator belt
- Anodes
- Water pump repair kit
- Mercury 10W30 engine oil
- Mercury gear lube
OEM Part Numbers & Cross References
| Brand / Type | Part Number |
|---|---|
| Mercury OEM | 8M0149930-L |
| Related Kit Without Oil | 8M0149930 |
| Application | 300-Hour V6 Service Kit with Oil & Gear Lube |
Prefer a Different Oil Weight?
This version includes Mercury 10W30 engine oil and Mercury gear lube.
Some customers prefer ordering their service kit without oil so they can choose a different Mercury oil weight or oil type.
If you would rather choose your own oil separately, see:
Related Anode Kit
Mercury 3.4L V6 FourStroke outboards use the Mercury aluminum anode kit shown below.
For replacement aluminum anodes, see:
Mercury 8M0205955 Aluminum Anode Kit
What This Service Kit is Used For
This Mercury 300-hour maintenance kit is designed for scheduled service on compatible Mercury 3.4L V6 FourStroke outboards.
Regular maintenance helps support long-term reliability, cooling system performance, fuel system operation, and corrosion protection.
Mercury packages the required 300-hour service components together to simplify maintenance and reduce the need to source parts individually.
Key Features and Benefits
- Genuine OEM Mercury 300-hour maintenance kit
- Fits Mercury 3.4L V6 FourStroke outboards
- Includes oil filter, fuel filter, and oil drain seal
- Includes spark plugs, thermostat, alternator belt, and water pump repair kit
- Includes aluminum anodes
- Includes Mercury 10W30 engine oil and gear lube
- Convenient all-in-one maintenance package
- Produced to Mercury OEM specifications
Service Kit Details
- Brand: Mercury / Quicksilver
- Part Number: 8M0149930-L
- Part Type: 300-Hour Service Kit with Oil & Gear Lube
- Application: Mercury 3.4L V6 FourStroke Outboards
- Includes Oil: Yes
- Includes Gear Lube: Yes
- Quantity Sold: Kit
FAQ
What engines does Mercury 8M0149930-L fit?
This kit fits Mercury 3.4L V6 FourStroke outboards.
Does this kit include engine oil?
Yes. This version includes Mercury 10W30 engine oil.
Does this kit include gear lube?
Yes. Mercury gear lube is included.
What parts are included in this 300-hour service kit?
The kit includes an oil filter, fuel filter, oil drain seal,
spark plugs, thermostat, alternator belt, water pump repair kit,
anodes, engine oil, and gear lube.
Which anode kit goes with this engine?
This application uses Mercury aluminum anode kit 8M0205955.
Is there a version without oil and gear lube?
Yes. Mercury 8M0149930 includes the same 300-hour maintenance parts
without engine oil and gear lube.
Dealer Discounts & Store Policies
Dealer / Marine Industry Discounts
Are you a marine dealer, technician, boat builder, or industry professional? We offer dealer pricing for qualified marine businesses.
Shipping Policy
- Free shipping on orders over $100 continental U.S.
- Orders ship via UPS, USPS, and FedEx.
- Orders received before 5:30 PM EST ship the same business day.
- Typical delivery time is 1–5 business days.
30-Day Return Policy
- Returns accepted within 30 days of delivery.
- Service kits should be verified for correct fitment before installation.
- Items must be new, unused, and in original packaging.
- Return authorization is required before sending items back.
Need help with a return or order question?
Contact Us
Phone: 941-721-3000
Searchable Terms
8M0149930-L, Mercury V6 300 hour service kit, Mercury 3.4L V6 maintenance kit, Mercury FourStroke maintenance kit, Mercury spark plug service kit, Mercury thermostat service kit, Mercury water pump repair kit, Mercury alternator belt kit, Mercury anode service kit, Mercury oil filter fuel filter kit, Mercury 10W30 oil kit, Mercury gear lube kit, 8M0149930, 8M0205955