Search by number: 1989 Ford Aerostar 3.0L 6 Cyl Alternator ProAmp 7745-2 $90.00 each OPTIONS: Optional 80 Amp ProAmp 7735-2 $96.00 each OPTIONS: Optional 75 Amp 2:00 Plug Position ProAmp 7716-2 $96.00 each OPTIONS: Optional 60 Amp ProAmp 7735-10 $116.00 each OPTIONS: Optional 75 Amp 10:00 Plug Position ProAmpN 7716-2N $115.00 each OPTIONS: Optional 60 Amp ProAmpN 7735-2N $117.00 each OPTIONS: Optional 75 Amp 2:00 Plug Position ProAmpN 7735-10N $117.00 each OPTIONS: Optional 75 Amp 10:00 Plug Position ProAmpN 7745-2N $126.00 each OPTIONS: Optional 80 Amp 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