Search by number: 1991 Buick Park Avenue 3.8L 6 Cyl Alternator ProAmp 7964-11 $89.00 each OPTIONS: wo/Supercharger wo/Heated Windshield 1st Prod ProAmp 7964-7 $91.00 each OPTIONS: wo/Supercharger wo/Heated Windshield 2nd Prod ProAmp 8103-7 $97.00 each OPTIONS: w/Supercharger wo/Heated Windshield ProAmp 7984-2 $107.00 each OPTIONS: wo/Supercharger w/Heated Windshield 2nd Prod ProAmp 7984-5 $134.00 each OPTIONS: w/Supercharger w/Heated Windshield ProAmp 7984-7 $143.00 each OPTIONS: wo/Supercharger w/Heated Windshield 1st Prod ProAmpN 8103-7N $109.00 each OPTIONS: w/Supercharger wo/Heated Windshield ProAmpN 7964-7N $117.00 each OPTIONS: wo/Supercharger wo/Heated Windshield 2nd Prod ProAmpN 7964-11N $117.00 each OPTIONS: wo/Supercharger wo/Heated Windshield 1st Prod ProAmpN 7984-7N $162.00 each OPTIONS: wo/Supercharger w/Heated Windshield 1st Prod ProAmpN 7984-2N $162.00 each OPTIONS: wo/Supercharger w/Heated Windshield 2nd Prod ProAmpN 7984-5N $195.00 each OPTIONS: w/Supercharger w/Heated Windshield 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