Search by number: 1989 Jaguar XJ12 5.3L Alternator ProAmp 14092 $115.00 each OPTIONS: Lucas Unit ProAmp 13260 $147.00 each OPTIONS: Bosch 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