This complete trailer hitch and wiring bundle is designed specifically for the 2019 through 2023 Lincoln Nautilus, all models. It includes a custom-fit REESE Class 3 trailer hitch (44784) with a 2-inch square receiver, rated for up to 4,500 lbs gross trailer weight and 675 lbs tongue weight. The hitch supports the same capacity with weight distribution systems and is built with solid all-welded steel construction and a black powder coat finish to resist corrosion. Also included are a Tekonsha T-One custom 4-way wiring harness with a circuit-protected ModuLite HD module, a Reese 4-flat to 5-flat wiring adapter, and a mounting bracket for the 5-flat connector. This plug-and-play setup requires no cutting or splicing and comes with all necessary mounting hardware. This bundle provides everything needed to tow a small trailer, utility hauler, or recreational vehicle safely and efficiently. Partial list of fitment years: 2019 2020 2021 2022 2023