Sierra 18-6160A Mercruiser Bravo II, Bravo III Aluminum Anode KitAluminum Anodes for use in saltwater or freshwaterThis is a complete anode kit to replace all factory installed anodes found on the drive unit.Fits: Bravo II 1988 and newer (s/n 0B664190 and up); Bravo III 1995 to 2002 (s/n 0F345868 to 0M179451); Interchangeable with: Mercruiser; 97-888761Q03; 888761Q01; 888761A1;