CDI Electronics 194-5279 Mercury/Mariner Voltage Regulator-2/3/4/6 Cyl (1989-2006) Mercury/Mariner Voltage Regulator Fits the following engines: 1995-2005 25 to 40 HP (2 cylinder), 1987-2007 45 to 90 HP (3 cylinder), 1989-2006 90 to125 HP (4 cylinder), 1992-2000 150 to 225 HP (6 cylinder) See Long Description for a list of compatible models Check manufacturer's recommended part numbers to ensure a proper fit for your application