Feature●For freshwater only●Complete six-piece magnesium anode kit with fasteners for quick and easy replacement●Produced to meet OEM specifications Mercury Marine for optimal protection of your MerCruiser Alpha One Gen II drive and engine in fresh water●Prevent corrosion from damaging your MerCruiser Z drive or engine●Inspect the anodes regularly for optimal protection●Cast from high quality magnesium to fit perfectly on your 1991 and newer (serial number 0D469829 and up) MerCruiser Alpha One Gen II Stern DriveDescriptionclass="celwidget" data-feature-name="aplus" data-csa-c-type="widget" data-csa-c-content-id="aplus" data-csa-c-slot-id="aplus_feature_div" data-csa-c-asin="" data-csa-c-is-in-initial-active-row="false" data-csa-c-id="gr52yd-iyaoqk-ou9fpa-7ayzv5" data-cel-widget="aplus_feature_div">