Search by number: 2016 Ram 2500 6.7L 6 Cyl Alternator ProAmp 11443 $205.00 each OPTIONS: Primary Dual Alternator; 180 Amps ProAmp 11755 $256.00 each OPTIONS: Auxiliary Dual Alternator; 220 Amps ProAmp 11379 $256.00 each OPTIONS: Single or Primary Alternator; 220 Amps ProAmpN 11379N $338.00 each OPTIONS: Single or Primary Alternator; 220 Amps 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