Search by number: 2010 Jeep Liberty 3.7L 6 Cyl Alternator ProAmp 11504 $137.00 each OPTIONS: Nippondenso type unit 140 Amps 6 Groove Serpentine Belt ProAmp 11240 $143.00 each OPTIONS: Nippondenso type unit 160 Amps 6 Groove Serpentine Belt ProAmpN 11240N $207.00 each OPTIONS: Nippondenso type unit 160 Amps 6 Groove Serpentine Belt 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