Housing base & gasket Mercury Mariner outboard 6 8 9.9 10 15 hp 2cyl 2 stroke

6 8 9.9 15 HP
Mercury 6 /8 hp 1986-1993Sn : OA197112-OT800749 USA
Mercury 6 /8 hp 1986-1993 sn : 9461526 & UP BEL
Will not fit the Mariner. Jap models made by Yamaha or Tohatsu.
2 STROKE : 6 / 8 / 9.9 / 15 HP late 2 stroke models
4 STROKE : 8 / 9.9 / 15 HP ( Non- BigFoot Models)

If the part looks the same like yours is not always the right one for your outboards so please double check.