NEW ALTERNATOR FITS 94-96 CHEVROLET GMC P SERIES TRUCK 7.4L 10463422 10480091 10463421 10480090 10463423 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: 105 Amps Fan: External Regulator: Internal Pulley: Serpentine Grooves: 6 Source: Aftermarket