Home Engine Systems Engine Care Anodes Magnesium Anode – Johnson/Evinrude/OMC (9.9-115 HP, 1981-91) Sierra International Magnesium Anode – Johnson/Evinrude/OMC (9.9-115 HP, 1981-91) $20.79 Magnesium Anode – Johnson/Evinrude/OMC (9.9-115 HP, 1981-91) quantity Add to cart Product Details Product Details Magnesium. 9.9-115 HP, 1981-91. Replaces: 173029, 123009.
