Search by number: 2015 Ford E-450 Super Duty 6.8L 10 Cyl Alternator ProAmp 11274 $143.00 each OPTIONS: All; 120 Amps ProAmp 11432 $170.00 each OPTIONS: Ndenso; Std; 155 Amps ProAmp 11534 $256.00 each OPTIONS: Ndenso; Opt; 225 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