Sierra's 18-5761 Power Pack is designed for use with Johnson/Evinrude 175 HP (1986-1988) and 2.5L/2.6L (1986-1988) outboard engines. Includes one power pack per package. It is interchangeable with Mallory 9-25007, CDI 113-3114, and Johnson/Evinrude Outboard 583114. Each Sierra product meets or exceeds the original equipment part it replaces.