Alternator Fits Cushman UTV Lucas Marine Mando Marine Mercruiser Diesel Inboard Ski Engines Sterndrive AC165617 M50924 807653 807653T New Aftermarket Part (Not Rebuilt/Refurbished/Repurposed) IR/EF, 2"/50.8mm Mounting Ear, 5/16-18 Mounting Hole This Alternator Has a V-Belt Pulley with 2 Wires Off Regulator Mercruiser Marine: Diesel Engines, Ski Engines, & Sterndrive Drive Models Please verify this is the right part number before ordering