NEW 12V 120 AMP ALTERNATOR FITS KOMATSU 4D95L ENGINE 31791226 102211-0830 1022110830 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: 120 Amps Fan: Internal Regulator: Internal Source: Aftermarket