SKU: 18-6243

Magnesium Anode (Mercruiser)under outlet for oil lines on Alpha One drives. . For use on R/MR/Alpha One (sterndrives & transom assy. 1983-1990) · Use magnesium anodes in fresh water applications · Use zinc anodes in salt-water applications These should be replaced every other year or whenever they get very corroded. There purpose is to be sacrificial. Stray electric current in the water will distroy these instead of your outdrive or prop.