is the 45rfe transmission main housing the same between 2 and 4 wd vehicles? It appears that the output module can be swapped onto the 45rfe main body.


Asked by Jan 07, 2015 at 05:46 AM about the 2003 Dodge Ram 1500 SLT SB

Question type: Maintenance & Repair

trying to make sure that I can put a 45rfe automatic transmission from a 2003 dodge with
a 4.7/2wd into my 2003 dodge with a 5.7/4wd

4 Answers


Your question is misleading. You going from a 2wd 4.7 to a 4x4 with a 5.7, correct? Not just a 2wd to a 4x4. The bell housing and mounts would have to be the same as well. Are you swapping from the same full sized Ram or is one of the trucks a Dakota or Durango?


My apologies, the donor transmission was removed from a 2003 Dodge Ram 1500, 4.7L, 2wd, my truck is a 2003 Dodge Ram 1500, 5.7L, 4wd. It appears that the bell housing is same and my only concern now is the output shaft (cone) assy, I am going to remove the 2wd straight back output shaft assy and then try to mate my "transfer" case assy in its place.

1 of 1 people found this helpful.

Ahh ok I'm with you now. Yes that should work. Good luck.

Did this work the 4.7 transmission onto the 5.7 transmission

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