Sierra Oil Drain Screw #18-2244
- Replaces Mercury/Mercruiser OEM #10-79953A2, 10-79953Q2.
- Fits: Mercury/Mercruiser #1/MR/R/Alpha/Alpha I Gen II upper & lower units.
- Used with Sierra 18-2945 Drain Screw Gasket
- Interchangeable with the following: Chrysler F40109, GLM 22420, Mallory 9-72650, Mercury/Mercruiser 816610A2, 816610A1, 10-28634A1, 10-28634, 10-79953, 10-79953A2, 10-79953Q2, 10-79953Q04