Search by number: 2005 Toyota Tacoma 4.0L 6 Cyl Alternator ProAmp 11138 $147.00 each OPTIONS: wo/Towing w/AT NDenso Unit ProAmp 11139 $151.00 each OPTIONS: w/Towing Package NDenso 130Amp ProAmp 11129 $210.00 each OPTIONS: wo/Towing; Manual Transmission ProAmpN 11138N $212.00 each OPTIONS: wo/Towing w/AT NDenso Unit 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