Search by number: 1992 Chevrolet P Series Trucks 4.3L 6 Cyl Alternator ProAmp 7802-11 $113.00 each OPTIONS: P3 Series 105 Amp ProAmpN 7802-11N $103.00 each OPTIONS: P3 Series 105 Amp ProAmp 7135-R Call for Price OPTIONS: P4 Series ProAmp 7894-11 Call for Price OPTIONS: P3 Series 85 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