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1990 Dodge w250 12v Cummins (under construction).
2,308 Posts
Discussion Starter · #1 ·
Anyone have specs on the fill drain plugs for a np271d?

I haven't found a definite answer. I've seen m22 or 1/2 pipe thread. And none of the Mopar sites have specs.

My fill plug Allen is stripped (so that's going to be fun to remove) and I'd like to use I square head plug in its place if possible.

Any info is greatly appreciated

1990 w250 12v Cummins
2005 3500 Laramie 5.9L Cummins
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