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Discussion Starter · #1 ·
hope this is the right place to put this but i bought a 04 silverado 2500hd with the 6.0 4x4 on the floor. it came without a transfer case. we are having a hard time trying to figure out what the oem transfer case would be. please help me out if you have a way to tell, i thought maybe the parts code in the glovebox would but let me know if yall can help thanks
 

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Discussion Starter · #3 ·
i did some research and it says the rpo code for the transfer case is NP2 idk maybe i could call a dealer and see if they can do anything with that, i wish i had the oem one to rebuild is there anyone who knows the NP2 part number
 

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2004 Sierra 3500 6.0L, auto, extended cab, cab&chassis, upgraded to 4wd
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NP2 just indicates the truck has a manual transfer case (vs electric shift), it doesn't indicate which specific transfer case is in the truck. Like the above poster indicated, it's an NP261HD (1500 has just the NP261, Duramax/8.1 get NP261XHD).

I would suggest just hitting a junkyard, finding a 2500HD w 6.0l and pullling the transfer case from it and rebuilding that.

Don't forget to check for/install a pump rub kit in it if you do this.
 
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