These will work as the low beams on the 5th gen 4Runner. These will work as both low and high beams in the 3rd gen Tacoma. Adding "quantity 1" will get you a pair, so if you're purchasing for both low and high beams for your Tacoma you will need to set quantity at 2.
You will need a PWM module to get rid of flickering.
Part number: LED1523