Search by number: 2002 Toyota Tundra 4.7L 8 Cyl Alternator ProAmp 13858 $129.00 each OPTIONS: Standard 70 Amp ProAmp 13859 $134.00 each OPTIONS: Optional 100 Amp ProAmpN 13859N $175.00 each OPTIONS: Optional 100 Amp ProAmpN 13858N $224.00 each OPTIONS: Standard 70 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