Search by number: 2004 Ford Mustang 4.6L 8 Cyl Alternator ProAmp 8304 $126.00 each OPTIONS: w/SVT Pkg ProAmp 8252 $131.00 each OPTIONS: SOHC VIN X ProAmp 8436 $164.00 each OPTIONS: w/Supercharger VIN Y Cobra Eng ProAmpN 8252N $194.00 each OPTIONS: SOHC VIN X ProAmpN 8304N $202.00 each OPTIONS: w/SVT Pkg ProAmpN 8436N $209.00 each OPTIONS: w/Supercharger VIN Y Cobra Eng 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