Search by number: 1991 Oldsmobile Toronado 3.8L 6 Cyl Alternator ProAmp 7985-11 $68.00 each OPTIONS: wo/Heated Windshield 2nd Prod ProAmp 8134-7 $143.00 each OPTIONS: w/Heated Windshield 2nd Prod 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