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Discussion Starter #1
hello everyone at cummins forum!

i have problem withg my transfercase it make bad noise and loud knock when i am on 4x4.:banghead::banghead:

and i know for sure i need to replace new transfer case but! how do i know which transfer case i have?where do i look for the code number to see which trasnfercase i have and what number of transfer case should i look for?

my truck are 2004 dodge 2500 4x4

please help because i am looking to buy transfer case and swap out bad trasnfercase.

many thanks!!!:thumbsup:
 

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If you have a manual shift transfer case it's a NV271D.
If you have an electric shift transfer case it's a NV273D.
 

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Discussion Starter #3
No, I don't have manual shift and electric shift.I have automatic with 4x4 shift stick. I think I have np 271 d thats what I see my transfer case stamp

Htc Evo 4G
 
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