Home Engine Systems Engine Care Anodes Zinc Anode – Johnson/Evinrude/OMC (60-300 HP, 1982-87) Sierra International Zinc Anode – Johnson/Evinrude/OMC (60-300 HP, 1982-87) $22.09 1 in stock Zinc Anode – Johnson/Evinrude/OMC (60-300 HP, 1982-87) quantity Add to cart Product Details Product Details Zinc. 60-300 HP 1982-87. For use on gearcases. Replaces: 393023, 436745.