Search by number: 1990 Dodge Spirit 2.5L 4 Cyl Alternator ProAmp 13309 $74.00 each OPTIONS: 120 Amp NDenso Unit ProAmp 13353 $102.00 each OPTIONS: 75 Amp NDenso Unit ProAmp 13245 $103.00 each OPTIONS: 90 Amp NDenso Unit ProAmpN 13353N $149.00 each OPTIONS: 75 Amp NDenso Unit ProAmpN 13245N $151.00 each OPTIONS: 90 Amp NDenso Unit ProAmpN 13309N $178.00 each OPTIONS: 120 Amp NDenso Unit 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