1Applicable Models: Injector pigtail connector is replacement for Colorado 2020 to 2021, replacement for Silverado 2500 3500 2022, and replacement for Sierra 2500 3500 2022. 2OE Number: The part numbers of reference are 19368140, and PT3739, please confirm whether it is consistent with the OE you need. 3Stable Connection: The injector repair harness has a stable connection and no loose contact, ensuring stable signal transmission and effectively avoiding problems caused by disconnected lines. 4Premium Material: Injector pigtail connector kit is made of Abs, which is weatherproof, impact resistant and able to withstand harsh environments such as high and low temperatures. 5Ideal Replacement: Comply with Oem specifications to ensure that the shape and function match the original vehicle, perfect replacement without additional modifications are required.