Search by number: 1980 Mazda RX-7 1.1L Alternator ProAmp 14307 $69.00 each OPTIONS: w/Internal Reg ProAmpN 14307N $63.00 each OPTIONS: w/Internal Reg 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