Description
Mercury 8M0122010 Red 360mA MerCathode Kit 4.5L Alpha
Mercury 8M0122010 is a genuine red-label 360 mA MerCathode kit for the specified MerCruiser 4.5L V6 Alpha application. The powered system helps protect underwater sterndrive components from galvanic corrosion.
Key Features
- Genuine Mercury OEM MerCathode kit
- Black Gen III controller with red decal
- 360 mA controller specification
- 12-volt active corrosion-protection system
- Gimbal-mounted anode/reference electrode arrangement
Fitment & Applications
Mercury's catalog lists factory-fit applications on 2014 and newer MerCruiser 4.5L V6 engines with Alpha drives. Confirm the exact kit using the engine and transom/drive serial numbers; Alpha drive identification alone does not establish compatibility.
Product Details
- Brand: Mercury
- Part number: 8M0122010 / 98-8M0122010
- Controller identification: Red decal
- Output: 360 mA
- Operating system: 12 volts
- Catalog application: 2014 and newer 4.5L V6 with Alpha drives
What's Included
One Mercury 8M0122010 MerCathode kit with controller, anode/reference electrode components and kit wiring. Follow the supplied instructions for the application-specific installation requirements.
Service Notes
The anode/reference electrode unit installs beneath the gimbal housing in place of the zinc anode, and the controller mounts inside the boat. Follow Mercury's instructions for power, grounding and mounting. Test protection after installation and continue inspecting the drive's required sacrificial anodes.
Why You Should Buy
This factory-fit kit provides the specified MerCathode arrangement for a compatible 4.5L Alpha installation.
Common Applications
- Factory-fit MerCathode service on specified 4.5L V6 Alpha packages
- Restoration of active galvanic-corrosion protection on compatible installations
Frequently Asked Questions
Does it fit all Alpha sterndrives?
No. The catalog application is 2014 and newer 4.5L V6 with Alpha drives; verify the serial numbers.
Does a MerCathode system eliminate anode maintenance?
No. Inspect the system and the required sacrificial anodes according to the service instructions.

