Sierra's 18-2290 Gear Set is designed for use with Johnson/Evinrude outboard engines. The set contains: (1) Sierra 18-2216 Sliding Clutch, (1) Reverse Gear, and (1) Forward Gear. It is interchangeable with GLM 22616 and Mallory 9-73530. Each Sierra product meets or exceeds the original equipment part it replaces. Fit specific, check part numbers to ensure proper fit.