Search by number: 2013 Ford F-250 Super Duty 6.7L 8 Cyl Alternator ProAmp 11628 $170.00 each OPTIONS: Standard 155 Amp Single Alt System ProAmp 11622 $187.00 each OPTIONS: Dual alt system right unit 150 Amps ProAmp 11627 $265.00 each OPTIONS: Dual alt system left unit 215 Amps ProAmpN 11622N $297.00 each OPTIONS: Dual alt system right unit 150 Amps ProAmpN 11627N $339.00 each OPTIONS: Dual alt system left unit 215 Amps 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