Description
Mercury Anode Kit for V6/V8 CMS & Racing Outboards (8M0205953)
Protect your Mercury outboard from galvanic corrosion with this complete OEM aluminum anode kit. Designed for 3.4L V6 and 4.6L V8 CMS platforms—and select Mercury Racing models—it replaces critical anodes in one service, helping preserve gearcase, trim and manifold components in harsh marine environments.
Applications
- Mercury V6 3.4L 175–225 hp CMS outboards
- Mercury V8 4.6L 225–300 hp CMS outboards
- Mercury Racing 150R, 250R, 300R outboards
- Use where factory anode kit 8M0205953 is specified; confirm by model and serial number
Shipping & Returns
Fast shipping from Wisconsin with reliable carriers. Need help confirming fitment by serial number? We’re happy to assist. Easy returns per our Return Policy.
Key Facts
- Brand: Mercury Precision
- Part #: 8M0205953
- Material: Aluminum anodes (corrosion protection for marine environments)
- Fits: Mercury 3.4L V6 175–225 hp & 4.6L V8 225–300 hp CMS; Mercury Racing 150R/250R/300R
- Function: Sacrificial anodes help prevent galvanic corrosion on lower unit and trim components
- UPC: 678633171659
- Country of Origin: CN
- Store Category: Parts > Anodes & Anode Kits
- Install: Uses existing mounting points; common hand tools
What’s Included
- Square plate anode
- Trim anodes (aluminum)
- Trim manifold anodes (aluminum)
- Mounting hardware
Service Notes
- Inspect anodes regularly; replace when ~50% consumed or per your service schedule
- Do not paint anodes; ensure clean metal-to-metal contact
- Use the same anode material type as specified by Mercury for your waters; avoid mixing materials on the same engine
- Rinse after salt/brackish use; check torque to spec in the service manual