Search by number: 1986 GMC Jimmy 2.5L 4 Cyl Alternator ProAmp 7807-11 $79.00 each OPTIONS: Standard 85 Amp 2nd Prod ProAmp 7273-3 $99.00 each OPTIONS: Standard 78 Amp 1st Prod ProAmp 7127HO110 $254.00 each OPTIONS: Custom Built; 110 Amps; 15.1V; Replaces stock alternator with stock wiring ProAmp 7127HO110PFC $333.00 each OPTIONS: Custom Built; 110 Amps; 15.1V; 1 Groove billet pulley & fan 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