Search by number: 2009 Ford F Series Pickups 6.4L 8 Cyl Diesel Alternator ProAmp 11291 $162.00 each OPTIONS: Exc Dual Alt System ProAmp 8522 $199.00 each OPTIONS: Dual Alt System, Motorcraft Unit, 120 Amps ProAmp 11290 $214.00 each OPTIONS: Dual Alt System, NDenso Unit, 200 Amp ProAmpN 8522N $208.00 each OPTIONS: Dual Alt System, Motorcraft Unit, 120 Amps ProAmpN 11290N $284.00 each OPTIONS: Dual Alt System, NDenso Unit, 200 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