MerCruiser 031026 Propeller Prop 13.75"x21P Alpha One 48-78122A4 Michigan Wheel
Propeller Details Major Condition Notes: See pictures for condition, one blade somewhat bent in the middle, but very suitable for a spare, quite clean otherwise. Manufacturer: Michigan Wheel Manufacturer Part Number: Michigan Wheel 031026 Equivalent / Related Part Number 48-78122A4 MerCruiser / Mercury / Quicksilver Specifics: 13.75" x 21P 13 3/4" X21P Aluminum Propeller Splines: 15 Please make sure to use correct thrust washers with this or any propeller. Also, some trim tab / zincs/ don't always work with each propeller, and may need to be swapped for a different kind. General Applications (the stuff listed below and possibly others...If unsure, please ask): MerCruiser, Alpha One, Bravo One (w/ 4-3/4" Gearcase): If you have an Alpha One (Gen I or II), Pre-Alpha One , or Bravo One (under 365hp) This propeller is compatible with your outdrive. Make sure you are using the correct thrust washer for this propeller MerCruiser Pre-Alpha & Drive Models (196