Search by number: 1992 Mercury Marquis 4.6L 8 Cyl Alternator ProAmp 7753 $72.00 each OPTIONS: Standard 95 Amp Early ProAmpN 7753N $157.00 each OPTIONS: Standard 95 Amp Early 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