The ROP Shop replacement Rectifier for 1973 Mercury 1115503, 1150503, 1150523, 1974 1500204, 1500224 Boat. Specs - Type: Square, 3 Post. Refer to images 2 & 3 for more information. Includes - (1) Rectifier; comes as shown in the first image. Converts the AC power from the engine stator to DC power to charge the battery. Fits/For: Various Mercury & Mariner 2-cycle outboards from 6 HP through 220 HP.
