NEW ALTERNATOR FITS Audi A4 / A4 Quattro 1.8l 2002-2003 Bosch ALTERNATOR FITS 150amp wi. 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: 150 Amps Regulator: Internal Pulley: Serpentine Grooves: 6 Source: Aftermarket