Search by number: 1988 Oldsmobile Firenza 2.0L 4 Cyl Alternator ProAmp 7937-11 $83.00 each OPTIONS: w/TPI wo/AC ProAmp 7819-11 $87.00 each OPTIONS: High-Output Eng wo/AC ProAmp 7801-11 $88.00 each OPTIONS: w/TPI w/AC ProAmp 7886-11 $91.00 each OPTIONS: High-Output Eng w/AC ProAmpN 7801-11N $104.00 each OPTIONS: w/TPI w/AC ProAmpN 7819-11N $117.00 each OPTIONS: High-Output Eng wo/AC ProAmpN 7886-11N $134.00 each OPTIONS: High-Output Eng w/AC ProAmpN 7937-11N $137.00 each OPTIONS: w/TPI wo/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