This is the part.
Yes, that is the exact part. I have a 2 wheel drive, so they installed the plug at the factory to have something in the hole. This is my 3rd Titan. I owned a 2 wheel drive 2004 and a 4 wheel drive 2007.is that the round cap where the 4x4 knob is supposed to be? If so, it just pops out. it takes a good tug though.