NEW STARTER FITS 99 00 01 02 03 04 OLDSMOBILE ALERO 3.4L 323-1396 9000901 12577949 100% NEW and Made with the Highest Quality Components Available Full One Year Warranty Computer tested for consistent Quality and unsurpassed reliability Starter - Voltage: 12V Rotation: Clockwise Teeth On Drive / Splines: 9 Source: Aftermarket