Direct replacement for Mercury 48-19640A40
Will fit the following:
Mercury Outboards:
Mercury/Mariner 9.9 - 25HP Outboard
9.9 & 15 (4-Stroke) BigFoot 1999-2004
20 & 25 HP (2-Stroke) Classic 1980-2006
SeaPro/Marathon 25 HP
10 Tooth Spline