Search by number: 1991 Ford F Series Pickups 7.5L 8 Cyl Alternator ProAmp 7744-2 $96.00 each OPTIONS: Optional 80 Amp w/Internal Reg ProAmp 7735-10 $116.00 each OPTIONS: Standard 75 Amp w/Internal Reg ProAmp 7705-3 $116.00 each OPTIONS: Optional 100 Amp w/External Reg ProAmpN 7735-10N $117.00 each OPTIONS: Standard 75 Amp w/Internal Reg ProAmpN 7744-2N $138.00 each OPTIONS: Optional 80 Amp w/Internal Reg 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