IMPELLER JOHNSON OMC Outboard 2.2HP 3.3HP 2HP 2.5HP 114812 Sierra 18-45312 Mercury 47-95289-2 Aftermarket part: Brand ITACO Overall Diameter - 42mm, Shaft Size Diameter - 12mm, Depth -14mm, Blade - 6 Fit OMC Johnson Evinrude Part: 2HP, 3HP, 3.3HP 2.5HP (Year 1991 - 2001 later) Fit Sierra Part: 18-45312 , Mercury Part: 47-952892