Search by number: 2009 Chevrolet Tahoe 6.0L 8 Cyl Alternator ProAmp 8302 $139.00 each OPTIONS: 2 Pin; S6; 145 Amps ProAmp 8550 $149.00 each OPTIONS: Standard; 145 Amps; S6; 2 Pin ProAmp 8301 $154.00 each OPTIONS: Optional; 160 Amps; S6; 2 Pin ProAmpN 8301N $182.00 each OPTIONS: Optional; 160 Amps; S6; 2 Pin ProAmpN 8302N $184.00 each OPTIONS: 2 Pin; S6; 145 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