Good used solenoid, tested.  Used on many Mercury Vintage motors.  OE Mercury Marine. USA made.  Also fits some OMC'S.

If you have a 4cylinder 40hp Merc/Mariner tiller motor that is manual start and would like it to be electric start, here is most of what you would need.  Yes, you can still use your recoil starter. Flywheel and starter...

May fit other Mercury 4 cyl motors.  NLA part.

MK75, 75A, 78, 78A, 350, 600, 650, 700, 800

Used, bench tested good.   6 cylinder in-line 90, 115, 140, 150, 1500XS.

89-96054  Sierra 18-5816  NEW  NOS  Solenoid.  Inline6 O?B; Mercruiser 454 Mag MPI Bravo GM 454 V8 & 502 Mag MPI Bravo GM 502 V8.  1 Available