This is a Brand New Marine Alternator for Volvo Penta, Fits Many Models, Please See Below New Aftermarket Part (Not Rebuilt/Refurbished/Repurposed) OEM(s): Mando, OMC Outboard Marine, Volvo Voltage: 12 Volts Amps: 65 Amps Polarity: Negative Output Stud Dimensions: 1/4-20 Approximate Weight: 11.61 lbs / 5.28 kg Replaces: API MARINE 20054, 20094 ARCO MARINE 60070, 60071 LUCAS ELECTRICAL EUROPE LRA1926 MANDO AC165618, M59819 OMC 3854182, 3856600, 3857561, 3860171 PRESTOLITE SALES 20130204 SIERRA MARINE 18-6261, 18-6265 VOLVO PENTA 3854182-7, 3856600-6, 3857561, 3857561-9, 3860171, 3857813 Please verify this is the right part number before ordering