Sierra 18-6244 Mercruiser Magnesium AnodeSierra magnesium anode provides additional clearance for high rake propellers. For use in fresh water only. For Mercury/Mariner 35-300 hp; For Force 90 & 120 hp 1995 and newer; For Mercruiser Alpha One Gen II and Bravo I, II, III, X, XR, XZ; Interchangeable with: Mercruiser Stern Drive; 762142; 76214A2; 76214A1; 76214A5; 97-76214Q5; Mercury Marine; 76214; 97-762145; 97-76214Q5; 76214A5; 76214A1; 762142; 76214T3; 762143;