Transfer case


Welcome to JEEPZ.com . Try this site :
bc4x4.com/fans/YJ.cfm?cat=6&faqid=141
this was the link found that should take you to the page with info regarding np207 to np231 swap. An np242 is a similar mounting. Check the spline count before proceeding.
 
Just depends on the input shaft length and spline count. The 242 would have to match the input of the 207 or 231 you're removing.

There might also be shift linkage differences as well as different driveshaft lengths when using the 242.

The 231 would be a more direct swap.
 
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