1、Applicable Models: In bed trailer wiring harness is replacement for F‑450 F‑550 Super Duty 2017‑2022. Please confirm whether your model is applicable before buying. 2、OEM Number: Replacing manufacturer part number for reference is HC3Z 15A416 A. Please double check the part number of your item to ensure perfect fit. 3、7 Pin Connector: The in bed wiring harness comes with a professionally designed 7 pin trailer plug that fits on the left side wall of the trailer bed. 4、Premium Material: Made with an upgraded premium ABS plastic, this trailer harness is fire retardant, high temperature resistant, not easy to break. 5、Easy Installation: The wiring harness features easy installation, which can be quickly and accurately installed on your vehicle, saving time and effort.