What manual transfer case to run with a nv4500?

[Burntoutaccountant]

I have a 1989 k1500 with a manual transfer case. I know nothing about Chevy transfer cases. Can I retain my current one or do I need a new one? I’m swapping in a nv4500 out of a 1995 3500.

 

[Supercharged111]

You should have an NP241 in there now. Your options are that or a Borg Warner from a 3500. Your current t-case will require a 32 spline input shaft and bearing installed to bolt to the NV4500 but that's really it.

 

[Burntoutaccountant]

You should have an NP241 in there now. Your options are that or a Borg Warner from a 3500. Your current t-case will require a 32 spline input shaft and bearing installed to bolt to the NV4500 but that's really it.

I’ll call my connection through work to get it. By any chance do you know what bw unit it is? I’m only familiar with the bw1356 in fords.

 

[b454rat]

I'm pretty sure you can use your existing case. I know the 465 used 32 spline, but I thought I read somewhere that even the lite duty manual uses it as well.

 

[Burntoutaccountant]

Ordered a bw4401 transfer case that came attached to the transfer case. This looks like a beefy ******* of a transfer case. Does it require its own crossmember?