Boat Motor 87-893353A03 Ignition Key Switch for Mercury Mercruiser Quicksilver Mariner, 4 Position
> Positions: 4 (ACC/OFF/ON/START)
> Cutout Dimension: 7/8" Dia.
> Overall Dimensions: 2 3/8" Dia. x 5" D
> If you are unsure, please provide your engine serial number.





