MerCruiser Commander 3000 Series Quicksilver Shift Throttle Control Box 1994 &up Cooling System & Hoses Both flappers should probably be

Both flappers should probably be replaced

Made out of steel

This has a Coarse Metric thread Drain Screw Thread

18hp (1957-1973)

MerCruiser Commander 3000 Series Quicksilver Shift Throttle Control Box 1994 &up Cooling System & Hoses Both flappers should probably beItem Details MerCruiser Commander 3000 Series Quicksilver Shift Throttle Remote Control Box (88150A40 A48) Mounting Style Side Mount (Concealed) General Application Compatibility This would have been found on MerCruiser Alpha One & Possibly Mercury Mariner Outboard Applications from the 1994 & Up until MerCruiser started using the Gen II style shift & throttle cables these are still the standard Gen I cables compatible. Other Details Trim switches are