Search by number: 1973 Cadillac Commercial Chassis 7.7L 8 Cyl Alternator ProAmp 7135 $63.00 each OPTIONS: Standard and w/AC ProAmpN 7135N $115.00 each OPTIONS: Standard and w/AC ProAmp 7239 Call for Price OPTIONS: Limo HD Option 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