Search by number: 2004 Ford F-250 Super Duty 6.8L 10 Cyl Alternator ProAmp 7776 $110.00 each OPTIONS: 130 Amps; Stock Alternator ProAmp 8310 $121.00 each OPTIONS: 110 Amps; 6G; W/Rectangle Reg. Connector ProAmpN 7776N $168.00 each OPTIONS: 130 Amps; Stock Alternator ProAmpN 8310N $196.00 each OPTIONS: 110 Amps; 6G; W/Rectangle Reg. Connector 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