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That looks like the one profo used and matches the pics of the #3925453 I just bought. Are you going to cut and clock the inlet tube like profo did or make the connection a different way? It seems like turning it about 45° counter-clockwise would work. I also thought about just cutting the 90°...

Alright, finally tracked one down. I actually just ordered the Cummins 3354397 China reproduction (plate with large rectangular port, would still need to find or fabricate the matching air tube). About 15 minutes later I got a call from one of the places that I previously called. They found a...

Struck out on these two listings also...

Well, turns out I spoke too soon... just got a call back this morning telling me the intake they thought they had (that was listed on the truck parts search) was left in the vehicle when it was crushed a few weeks ago. Nothing else usable comes up on the search Wes gave me, nor on google...

So all the leads on that site I had previously exhausted except for one, and I had been trying for several days to reach them and get a quote. Finally heard back today and gave them payment info, hopefully it shows up next week. The style I bought was the one with the round flange pointing...

Ok guys thanks for the info and pics. The #3927879 intake tube looks to fit the #3354397 intake plate (2nd style in my 1st post), so if pick up that style plate I now know what OE intake tube fits it: I looked again at the ISC intake plate with the heater grid compared to the stock CTA charge...

Thanks Wes. Yes the Cummins #3925453 is what Marty used but I could never find a decent pic of it to see what it looks like. From what I can gather it is similar to the #3922646 (first one I listed) with the intake tube cast as one piece instead of a removable, bolt-on part. I kinda eliminated...

I also found this style, presumably for an ISC. It has an integral intake pre-heater so presumably I could eliminate the ether system: The bolt pattern looks the same as the CTA (I know CTA & ISC are closely related but not what the component-level differences are), so presumably this would...

These are the pics I've found of the 3922646 intake: This is the top cover I found with the rectangular port, Cummins 3354397 (NEW China castings):

So I picked up a couple of the (RG31?) MRAP cooling packs with the aluminum intercooler up front and stacked aluminum radiator / transmission oil cooler. I'm trying to line up the parts to complete this conversion on my M931a2, replacing the liquid-air cooler in the intake. I know others have...