Search by number: 1985 Pontiac Grand Prix 3.8L 6 Cyl Alternator ProAmp 7273-3 $95.00 each OPTIONS: Standard w/HBW ProAmp 7137-6 $112.00 each OPTIONS: Standard w/AC ProAmp 7134-6 $112.00 each OPTIONS: Optional w/AC ProAmp 7294-12 $112.00 each OPTIONS: Optional wo/AC ProAmp 7127HO110PFC $197.00 each OPTIONS: Custom Built; 110 Amps; 15.1V; 1 Groove billet pulley & fan ProAmp 7127HO110 $214.00 each OPTIONS: Custom Built; 110 Amps; 15.1V; Replaces stock alternator with stock wiring ProAmpN 7294-12N $121.00 each OPTIONS: Optional 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