Search by number: 1998 Ford Mustang 4.6L 8 Cyl Alternator ProAmp 7776 $110.00 each OPTIONS: SOHC; Vin X; 130 Amp; 3G model ProAmp 7781 $131.00 each OPTIONS: DOHC; Vin V; 130 Amp; 4G model ProAmp 7781HD200 $375.00 each OPTIONS: 200 Amp; Custom Built ProAmpN 7776N $168.00 each OPTIONS: SOHC; Vin X; 130 Amp; 3G model ProAmpN 7781N $182.00 each OPTIONS: DOHC; Vin V; 130 Amp; 4G model 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