NEW ALTERNATOR FITS JOHN DEERE UTILITY TRACTOR 1020 1520 1530 2020 2030 90-05-9019 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: 37 Amps Fan: External Regulator: External Grooves: 1 Source: Aftermarket