Mercury 8M0149931 4.6L V8 SeaPro and Pro XS CMS 300-Hour Maintenance Kit

The Mercury Precision Parts 300-Hour Maintenance Kit 8M0149931 contains all the genuine parts required for routine engine maintenance on Mercury 4.6L V8 SeaPro and Pro XS outboards with CMS (Conventional MidSection) – serial number 2B529482 and higher.

This convenient complete kit saves you time and helps prevent ordering errors, as it includes all the components required for the entire 300-hour service.

⚙️ Suitable for the following Mercury outboards:

• Mercury 4.6L V8 SeaPro CMS

• Mercury 4.6L V8 Pro XS CMS

• Serial number: 2B529482 and higher

📦 Maintenance kit contents:

• Oil filter

• Fuel filter

• Oil drain plug gasket

• Spark plugs

• Thermostat

• Alternator belt

• Water pump repair kit

• Model-specific anodes

Everything required for a complete 300-hour service.

💎 Key benefits & features:

• A complete selection of all 300-hour service components in one box

• No time-consuming parts searching – everything is immediately at hand

• Easy maintenance with standard tools

• Genuine Mercury OEM quality for a perfect fit and maximum reliability

• Optimal engine performance and protection against wear

• Extends the life of your outboard and protects your investment

🚤 Why choose genuine Mercury Marine parts?

Every part is developed, tested and manufactured by Mercury Marine in accordance with strict OEM specifications. This guarantees superior performance, a perfect fit and maximum durability for Mercury and Mariner outboards, as well as MerCruiser drives.