does anyone have their sending unit out???

"The thing" you have pictured below is for an entirely different tank setup, for an entirely different "movement" and for an entirely different gauge movement. Please ask the COMPLETE question

What you you have asked here is the "V" part of the "W" of "What or more accurately, maybe, you have asked the " \ " of the "W" of the word "What" that is to say you are only asking a tiny part of the real question.