Search by number: 2006 Lincoln Mark 5.4L 8 Cyl Alternator ProAmp 8318 $149.00 each OPTIONS: All ProAmpN 8318N $188.00 each OPTIONS: All ProAmp 8315-MI240 Call for Price OPTIONS: 240AMP EXTREME DUTY 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