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 NP231 Transfer Case Sale
 NP231 Transfer Case
 Dodge NP231 Transfer Case

Performance Built NP231 Transfer Case Sale

The NP231 transfer case was introduced in 1988 by New Process Gear for use in Chevy, Dodge, GMC and Jeep vehicles. The New Process 231 is the most popular chain driven transfer case to date.

The NP231 transfer case features a front driver's side output as well as a center line rear output. The NP231 transfer case comes with two ranges; a 2.72 low and a high range in direct drive. New Process used a mechanical speedometer gear from 1988 to 1991. In 1992 the speedometer was switched to a three wire vehicle speed sensor also known as VSS. Not only is the NP231 transfer case a great direct replacement, it is also used in many conversions.

Here at Smart Parts we specialize in taking a good transfer case and making it even better. Our state of the art upgrades and our cutting edge build process allow us to build a NP231 that exceeds the standards set forth by manufacturers.

Common Transfer Case Names
  • NP231
  • NV231
  • New process 231
  • New Venture 231
  • NP231J
  • NP231D
  • NP231C
Chevy/GMC Vehicle Compatibility
  • S10 Blazer
  • S10 Pickup
  • Jimmy
  • Sonoma
Dodge Vehicle Compatibility
  • Dakota
  • Durango
  • Ram 1500
Jeep Vehicle Compatibility
  • Cherokee
  • Grand Cherokee
  • Liberty
  • Wrangler
Years Covered
  • 1989
  • 1999
  • 2001
  • 2002
  • 2003
  • 2004
  • 2005
  • 2006
  • 2007
  • 2008
  • 2009
  • 2010
  • 2012
  • 2013
NP231 Build Type
  • Performance Grade remanufactured QS9000 Certified
  • Ordering
  • Details
  • Q&A
  • Feedback
Warranty Info
NP231D Sale Price: $695.00 Dodge
NP231J Sale Price: $795.00 Jeep
NP231C Sale Price: $650.00 Chevy/GMC
List Price: $725.00 $850.00
Core Deposit: $250.00
Delivery and Core Shipping: Call for a Freight Quote
5 Star product Rating: ★★★★★
Sales Tax Applied: 0.00%
Phone Order: 1-888-995-7278 Mon-Sun 8-9 CST
NP231 Vehicle Applications
Manufacturer Model Years Input Spline Output Spline
Chevy / GMC S10 Blazer 1992-1997 27 32
S10 Pickup
Manufacturer Model Years Input Spline Output Spline
Dodge Dakota 2000-2001 23 32
Dakota 1994-1999 27
Dakota 1988-1996 26
Durango 2000 32
Durango 1998-1999 27
Durango DHD 1998-1999 32
Ram 1500 1994-2000 32
Manufacturer Model Years Input Spline Output Spline
Jeep Cherokee 1989-2001 23 27
Cherokee 1989-1990 21 Fixed Yoke
Comache 1989-1992 23 27
Grand Cherokee 1993-1995 23 27
Liberty 2002-2013 23 32
Wrangler 1991-2006 23 27
Wrangler 1993-2003 23 Fixed Yoke
NP231 specs and current transfer case Data
Original Manufacturer: New Process Gear
Gears: Chain Driven
Drive: 2WD and 4WD, 2H, 4H, N and 4L
Recommended NP231 Oil / Fluid: ATF+3 (Or ATF+4)
(Any Name Brand)
Torque Rating: Manufacturer: 1600 lb ft
Ours: 1600 + lb ft
NP231 Transfer Case Oil capacity: 2 Quarts
Weight: 70 lb Dry
NP231 Build: Performance Built
Performance Inspected For: Leaks
Shifting Difficulties
Excessive Noise
Temperature and Performance
NP231 Tag Numbers
NP231 Transfer Case Gear Ratios: 2.72:1
Hollander Interchange Numbers: 400-02662

Questions Answered About The 6L80E Transfer Case

I have a 94 Grand Cherokee. Can you tell me the spline count so I can make sure this matches up.

The input is 23 and 27 for the output. To ensure a direct fit it may be easier to just grab us the tag if its available. Usually all we need is a tag to match you up with the correct TC.

Reply: Question
The splines match, Ill call you with the tag.

Brett R*****
Apple Valley, MN
If you have a question you would like to submit, please e-mail it to: info@smartpartsauto.com

Customer feedback and reviews

I was impressed by the price.
"I was skeptical by the cheap price, my shop wanted to charge close to twice as much. I have had the 231 in my Dakota for over a month now and it runs as good if not better as the original. "

KC McGovern
Cold Water, MI
If you have purchased a this part and wish to submit a review, please e-mail it to: info@smartpartsauto.com
What is a core deposit?

In order to keep our NP231 Transfer Case at such an unbelievably low price, we need to take a deposit on your old or broken unit being sent back to us. The core deposit is added to your total then is completely refunded when it unit arrives at our facility. Because we use so many new parts, our rebuild process doesn't require a perfect core to be sent back. Please call or click on the tab for acceptable core conditions and details.

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Subtotal: 0.00
Sales Tax: 0

Total: 0.00
This part requires a phone order.

To ensure a correct fit for your vehicle, call us toll free.
1-888-995-PART or 1-888-995-7278

Sales Office Hours:
7 days a week, 8:00am to 9:00pm CST.
Holiday hours vary.

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