Mercruiser Bravo I Aluminum Anode Kit | Martyr CMBRAVO1KITA Martyr anode kit includes all replacement anodes needed to protect Mercruiser Bravo I stern drives from corrosion in saltwater or brackish applications. Mercruiser Bravo I anode kit For Mercruiser Bravo I drives from 1988 to present Kit includes CM762145A trim tab anode, CM806188A bearing carrier anode, CM821630A housing plate, and (2) CM806190A trim cylinder anodes Aluminum anodes for use in brackish and salt water applications Martyr anodes are made of a high purity specialized alloy based on the US Mil Spec Supplied with mounting hardware for anodes