Search by number: 2016 Cadillac ATS 2.0L 4 Cyl Alternator ProAmp 11682 $197.00 each OPTIONS: wo/Engine Start/Stop Feature; 150 Amps ProAmp 42009 Call for Price OPTIONS: w/Engine Start/Stop Feature; 160 Amps; Manual Transmission ProAmp 42125 Call for Price OPTIONS: w/Engine Start/Stop Feature; 170 Amps; Automatic Transmission 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