LOL :hehe: LOL :hehe:
3941744 is an o-ring plug
3941745 is a clip
Both are found on C & L Series with a CAPS fuel system and CM554
You say you work for a cummins dealer?
-----------------------------------------------------------------------------
3922728 is close to 3rd gen style but for a 12v head.
I know 3922728 is an industral manifold but I can't remember if it is a center drop or if it drops closer to the rear.
yeah that is an industrial but it is closer to the rear.