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AIH Delete Plug

4.9K views 7 replies 5 participants last post by  itorchedparis  
All of them that I know of are 1/8" NPT. Not rocket science, and not much time involved getting the large Cummins drain plug, and drilling and tapping it. I also cut mine off, because I thought it was too long. Smoothed it on a belt sander, and re-cut the threads with a 3 cornered needle file. I think the whole project might have taken 30 minutes.