Transfer case interchange?

Tiny
DAKOTA1991
  • MEMBER
  • 1999 DODGE DAKOTA
  • 5.2L
  • V8
  • 4WD
  • MANUAL
  • 200,000 MILES
I need to replace the transfer case 231D, but I can only find a replacement from an automatic transmission. Will they interchange?
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Monday, October 30th, 2023 AT 10:16 AM

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Tiny
KEN L
  • MASTER CERTIFIED MECHANIC
  • 42,235 POSTS
The New Process (or New Venture) 231 transfer case, commonly referred to as the NP231 or NV231, was used in a variety of vehicles, including the Dodge Dakota. The NP231D specifically was used in the Dodge Dakota. To tell if the transfer case will work inspect, the mounting bulkhead on the replacement unit to see if there are the same, also check the spline count of the input or output shafts to make sure they are the same, also match the wiring plugs and shift linkage, if everything matches you should be okay. Here are the instructions on how to change the transfer case out. Let me know if you have any more questions or problems I can help with. Check out the images (below).
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Monday, October 30th, 2023 AT 1:26 PM
Tiny
DAKOTA1991
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Thank you. Is there any way to tell by assembly number or other information to know what model/trim transmission/engine match up? Or is the only way to physically inspect both. Looking online trying to find a match and not coming up with enough information to know.
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Monday, October 30th, 2023 AT 2:32 PM
Tiny
KEN L
  • MASTER CERTIFIED MECHANIC
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Yep, you might want to call a wrecking yard, they have special software that can give you more of an idea but other than that you need to inspect and compare.
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Tuesday, October 31st, 2023 AT 9:22 AM

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