Mercury Gimbal Housing Base (Aluminum) Anode 821631T1

Mercury Gimbal Housing Base (Aluminum) Anode 821631T1 is a genuine OEM replacement anode designed to protect the gimbal housing on compatible MerCruiser sterndrives from galvanic corrosion. Suitable for both freshwater and saltwater use, this sacrificial aluminum anode helps protect critical drive components by corroding before the sterndrive itself.

Compatible with the following:

• MerCruiser R sterndrives
• MerCruiser MR sterndrives
• MerCruiser Alpha One Gen II sterndrives
• MerCruiser Bravo sterndrives
• MerCruiser Bravo X sterndrives
• MerCruiser Bravo XR sterndrives
• MerCruiser Bravo XZ sterndrives

Installed at the base of the gimbal housing, this aluminum anode is manufactured to Mercury Marine's OEM specifications for proper fit and dependable corrosion protection in demanding marine environments.

Kit Includes:

• Aluminum gimbal housing anode
• Installation hardware

Existing mounting bolts are reused during installation.

Inspect sacrificial anodes periodically and replace them when significant corrosion or pitting is present. Maintaining fresh anodes helps protect your sterndrive and reduce corrosion-related maintenance costs.

To Confirm Compatibility: Contact our team with your engine serial number at (727) 596-5929 before ordering.