Search by number: 2011 Cadillac Escalade ESV 6.2L 8 Cyl Alternator ProAmp 8550 $139.00 each OPTIONS: Standard; 2 Pin; 145 Amps ProAmp 8301 $154.00 each OPTIONS: Optional; 2 Pin; 160 Amps ProAmpN 8301N $182.00 each OPTIONS: Optional; 2 Pin; 160 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