Search by number: 1998 Hummer H1 6.5L 8 Cyl Diesel Alternator ProAmp 8203-5 $132.00 each OPTIONS: 124 Amps; Rectangle Plug ProAmpN 8203-5N $157.00 each OPTIONS: 124 Amps; Rectangle Plug 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