NEW ALTERNATOR FITS 02 03 04 MERCURY MOUNTAINEER 4.6 V8 XW7U-10300-AD XW7Z-10346-AA F8OU-10300-CA F8OU-10300-CB GL-406 F8OU-10300-CC F8OU-10346-CA F8OZ-10346-CA GL-348 100% 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: 130 Amps Fan: Internal Regulator: Internal Pulley: Serpentine Grooves: 6 Source: Aftermarket