Search by number: 2009 Jeep Liberty 3.7L 6 Cyl Alternator ProAmp 11242 $137.00 each OPTIONS: NDenso Unit, 136 Amp ProAmp 11240 $143.00 each OPTIONS: NDenso Unit, 160 Amp ProAmpN 11240N $207.00 each OPTIONS: NDenso Unit, 160 Amp 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