This connector fits the 2 wire sensor. Some trans have a 3 wire sensor that will not fit this connector. You will want to verify fitment for your application and your particular sensor that needs to be connected. Each purchase will receive 1 pigtail to connect to the Auto Transmission Output Shaft Speed Sensor. See the application list for each vehicle on the list to make sure it fits your needs. You will also receive heat shrink butt connectors to connect the wires easily.