This is just a guess but No, everthing changed between those two years.
A 2001 Ram did not have a 3.7L. A 2001 3.7L does not interchange with a 2006, the cam and crank sensor tone rings are different.
No, it will not interchange.
correct antifreeze for 2006 dodge ram diesel truck
2005, 2006, 2007 should interchange.
They do not interchange or match up.
R134a
1995-2006 will interchange.2007-2012 will interchange
yes, ford and dodge interchange (same hub diameter) and they both will fit on a Chevy but Chevy will not interchange with ford or dodge.
1995-2006 will interchange.2007-2012 will interchange.1995-2006 will interchange.2007-2012 will interchange.
It is a completely different transmission than what was used with the diesel before.
In the dash, right in front of the steering wheel :)
either synthetic 5w40 diesel oil or conventional 15w40