Search by number: 1993 Hummer H1 6.2L 8 Cyl Diesel Alternator ProAmp 8165-11 $102.00 each OPTIONS: 105 Amp ProAmpN 8165-11N $123.00 each OPTIONS: 105 Amp 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