Zinc Split Collar Anode for SD20, SD25, SD30, SD31, SD40, SD50 & SD60 Yanmar Saildrives Tecnoseal Zinc Yanmar Saildrive Split Collar Anode without fittings. In zinc for salt water. Original…Continue readingTecnoseal Zinc Split Collar Anode f/SD20, SD25, SD30, SD31, SD40, SD50 SD60 Yanmar Saildrives [01305/1]