Search by number: 2008 Mercury Marquis 4.6L 8 Cyl Alternator ProAmp 8472 $130.00 each OPTIONS: To 7/21/08 ProAmp 11432 $170.00 each OPTIONS: From 7/21/08 ProAmpN 8472N $202.00 each OPTIONS: To 7/21/08 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