Mercury 8M0149930 V6/3.4L 4-Stroke Outboard 300 Hour Service Kit - MW
Mercury 8M0149930 300-Hour Service Kit - 3.4L V6 FourStroke
The Mercury 8M0149930 300-Hour Service Kit contains the key replacement parts needed to complete routine 300-hour maintenance on compatible Mercury 3.4L V6 FourStroke outboards. This genuine Mercury Precision Parts kit is designed for 3.4L V6 FourStroke outboards with serial number 2B529482 and higher.
Packaged in one convenient box, this 300-hour maintenance kit helps reduce the need to order common service parts separately. Following the maintenance schedule in your owner’s manual helps keep your engine running longer and stronger while protecting your investment in your Mercury outboard.
Product Features:
- Genuine Mercury 300-hour service kit
- Designed for compatible 3.4L V6 FourStroke outboards
- Complete selection of required 300-hour service replacement items in one box
- Helps simplify periodic maintenance and service
- Can be serviced with common shop tools
- Produced to Mercury Marine OEM specifications
Product Details:
- Brand: Mercury
- Manufacturer Part Number: 8M0149930
- Part Type: 300-Hour Maintenance Service Kit
- Application: Mercury 3.4L V6 FourStroke outboards
- Serial Number Range: 2B529482 and higher where specified
Kit Contains:
- Oil filter
- Fuel filter
- Oil drain seals, quantity 2
- Spark plugs
- Thermostat
- Alternator belt
- Water pump repair kit
- Anodes
Fits Select Mercury Applications:
- Mercury 175 HP 3.4L V6 FourStroke, serial number 2B529482 and up
- Mercury 200 HP 3.4L V6 FourStroke, serial number 2B529482 and up
- Mercury 225 HP 3.4L V6 FourStroke, serial number 2B529482 and up
- Mercury 175 HP 3.4L V6 Pro XS, serial number 2B529482 and up
- Mercury 200 HP 3.4L V6 SeaPro, serial number 2B529482 and up
Service Note: Follow your Mercury owner’s manual for the recommended 300-hour service interval, fluid specifications, torque values, and replacement procedures for your specific outboard.
Fitment Note: Maintenance kit fitment should be verified by outboard model, horsepower, serial number, service schedule, or parts diagram before ordering. Please confirm this kit is correct for your Mercury 3.4L V6 FourStroke outboard before purchasing.
WARNING: Cancer and Reproductive Harm - P65Warnings.ca.gov

