SOTF Harness Plug.
For 2010, 2011, 2012, 2013, 2014, 2015, 2016, 2017, 2018, 2019, 2020 Dodge Ram 6.7L Cummins
If your Ram has been equipped with a under hood shift on the fly switch this connector cap will cover the open CCV sensor should be capped to keep water and debris out for future use