Search by number: 2012 Ford Flex 3.5L 6 Cyl Alternator ProAmp 11271 $181.00 each OPTIONS: 175 Amps. w/Plug in from side of alt. Naturally Aspirated ProAmp 11659 Call for Price OPTIONS: 175 Amps. w/Plug in from back of alt. Naturally Aspirated ProAmp 12878 Call for Price OPTIONS: 200 Amps. Turbocharged 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