Search by number: 2016 Ford Mustang 3.7L 6 Cyl Alternator ProAmp 42107 $248.00 each OPTIONS: 175 Amps; Automatic transmission; 6 groove steel pulley ProAmp 42108 $300.00 each OPTIONS: 175 Amps; Manual transmission; 6 groove clutch pulley ProAmp 88888-105529 Call for Price OPTIONS: All 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