NEW ALTERNATOR FITS JOHN DEERE TRACTOR 5410 5510 1998-00 5420 5520 01-04 TY25240 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: 40 Amps Fan: Internal Regulator: Internal Source: Aftermarket