Search by number: 1989 Mercury Tracer 1.6L 4 Cyl Alternator ProAmp 14905 $87.00 each OPTIONS: All ProAmpN 14905N $249.00 each OPTIONS: All Why is there more than one unit for my car? Look at the TECH SPECS when more than one unit is shown for your car. AMPS (ELECTRIC CAPACITY): must match you vehicle electric requirements. *** Call us if you are looking to increase your unit capacity! OE ALTERNATOR MANUFACTURER: It is recommended to match the Make of your alternator