Search by number: 2012 Lincoln MKS 3.7L 6 Cyl Alternator ProAmp 11273 $158.00 each OPTIONS: 150 Amps ProAmp 11271 $181.00 each OPTIONS: 175 Amps; w/Plug in from side of alternator ProAmpN 11273N $473.00 each OPTIONS: 150 Amps ProAmp 11659 Call for Price OPTIONS: 175 Amps; w/Plug in from back of alternator 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