Search by number: 2014 Infiniti Q70 3.7L 6 Cyl Alternator ProAmp 11340 $140.00 each OPTIONS: 150 Amps; Sport pkg from 11/2013 ProAmp 11438 $161.00 each OPTIONS: 130 Amps; Excl Sport pkg or Sport pkg to 11/2013 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