Lincoln Chrome Receiver Hitch Cover - MKX Navigator Made in the USA - Official Lincoln Licensed Product  - Lincoln Chrome Receiver Hitch Plug Cover. Go ahead, proudly install this Lincoln Receiver Hitch Plug Cover that is made from a strong plastic so it will not vibrate (Setting off your engine knock sensor, causing loss in power), Features a Solid Brass, High Polished Chrome Finished Hand Engraved Licensed Logo, Epoxy filled Resign (Not Paint) then baked overnight to give you years of service that a Lincoln SUV should have. Applications: Lincoln Proud Owners with 2" Plug. Can be used with or with-out locking pin installed.