Zinc Anode For Mercury Mercruiser Standard Trim Tab Skeg 31640 Alpha 1 Gen 1 And Outboards

31640 Mercury/Mercruiser Standard Trim Tab Zinc Anode

Base Diameter: 3-1/2"
Height: 2-1/2"
Threaded Mounting Hole: 7/16"-14
Weight: 1.1 lbs

Fits most Mercury/Mariner outboards 35 hp and above.
Fits Mercruiser Alpha One outdrives.

Zinc Is For Saltwater Use!