Search by number: 1991 Ford F Series Pickups 7.3L 8 Cyl Diesel Alternator ProAmp 7072-12 $90.00 each OPTIONS: Standard 70 Amp w/External Reg ProAmp 7078 $92.00 each OPTIONS: Standard 60 Amp w/External Reg ProAmp 7705-3 $116.00 each OPTIONS: Optional 100 Amp w/External Reg ProAmp 7767 $228.00 each OPTIONS: w/Ambulance Pkg ProAmpN 7078N $123.00 each OPTIONS: Standard 60 Amp w/External Reg ProAmpN 7767N $315.00 each OPTIONS: w/Ambulance Pkg 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