NEW ALTERNATOR FITS NISSAN 280Z 280ZX 2.8L 1978-1980 810 2.4L 1978-1981 23100-P3004 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: 60 Amps Fan: External Regulator: Internal Grooves: 1 Source: Aftermarket