Fits 2003 and newer Bravo III (OM179452 and up) fitted with two trim tab anodes. This is the aft of the two flat trim tabs anodes and has a recessed, unthreaded hole for the 1-1/4" long mounting bolt.
76214-4 Mercruiser Flat Trim Tab
Zinc Anode, No Threads
US Military Grade Zinc
Zinc Is For Salt Water Use