Search by number: 2010 Subaru Impreza 2.5L 4 Cyl Alternator ProAmp 11058 $125.00 each OPTIONS: 90 Amps; Naturally aspirated ProAmp 11226 $146.00 each OPTIONS: 110 Amps; Turbocharged ProAmpN 11058N $204.00 each OPTIONS: 90 Amps; Naturally aspirated 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