NEW ALTERNATOR FITS PLEASURECRAFT DELCO 42A 10SI W/SCREEN 1100806 1100912 1100914 1100915 1102393 1102496 1102938 1102939 100% NEW and Made with the Highest Quality Components Available Full One Year Warranty Computer tested for consistent Quality and unsurpassed reliability Alternator - Voltage: 12V Amperage: 110 Amps Fan: External Regulator: Internal Pulley: V Belt Grooves: 1 Source: Aftermarket