NEW ALTERNATOR FITS MERCRUISER 5.0L EFI 2-BBL GEN+ GM 862031 862031T 862031T1 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: 70 Amps Regulator: Internal Pulley: Serpentine Source: Aftermarket