Search by number: 1989 Buick Skylark 2.3L 4 Cyl Alternator ProAmp 7880-11 $61.00 each OPTIONS: wo/AC ProAmp 7860-11 $72.00 each OPTIONS: w/AC ProAmpN 7880-11N $109.00 each OPTIONS: wo/AC ProAmpN 7860-11N $109.00 each OPTIONS: w/AC 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