Search by number: 2011 Ram 3500 6.7L 6 Cyl Alternator ProAmp 11378 $193.00 each OPTIONS: Laramie; Turbocharged; 160 Amps; DIESEL; Vin L ProAmp 11443 $222.00 each OPTIONS: Laramie; Turbocharged; 180 Amps; DIESEL; Vin L ProAmp 11379 $267.00 each OPTIONS: Laramie; Turbocharged; 220 Amps; DIESEL; Vin L ProAmpN 11378N $281.00 each OPTIONS: Laramie; Turbocharged; 160 Amps; DIESEL; Vin L ProAmpN 11379N $334.00 each OPTIONS: Laramie; Turbocharged; 220 Amps; DIESEL; Vin L 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