NP 231 Transfer Case Parts

Once known as the NV 231 and then the NP 231, these two transfer cases are basically identical and share interchangeable parts. Nowadays this transfer case is simply labeled the 231J. The 231J features an aluminum case, chain drive, a driver side front output and centered rear output. It has the lowest low range gear ratio of all Jeep 231J transfer cases at 2.72:1. The major variations of the 231J-transfer case are the input gear which can be found in 21 and 23- spline and a short, medium and long versions of each. The 231J is a very strong transfer case and can be found in a variety of Jeeps since its introduction in 1988. The 231J transfer case is strongly supported by the after market and can be easily upgraded. It can be found in XJ Cherokee's, MJ Comanche's, and YJ Wranglers as the Command Trac transfer case. It has also been the Command Trac transfer case in the ZJ Grand Cherokee since the ZJ's introduction in 1993. The new TJ Wrangler continues to use the 231J except in the Wrangler Rubicon.

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NP-242 Transfer Case Assembly w/23 Spline Input for Jeep 91-01 Cherokee XJ Export Models w/4.0L Engine
NP-242 Transfer Case Assembly w/23 Spline Input for Jeep 91-01 Cherokee XJ Export Models w/4.0L Engine
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Part Number:: S-52098384
Market price: $1360.00
Savings! 12%
$1199.95
Speedometer Gear for NP-231 Transfor Case for Jeep® Vehicles 1990-2006
Speedometer Gear for NP-231 Transfor Case for Jeep® Vehicles 1990-2006
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Part Number:: 52067632
$34.95
TeraFlex LOW231 03+ 23SPLINE Short Arm INPT for Jeep
TeraFlex LOW231 03+ 23SPLINE Short Arm INPT for Jeep
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Part Number:: 2104303
$1272.99
TeraFlex LOW231 21 SPLINE INPUT GEAR for Jeep
TeraFlex LOW231 21 SPLINE INPUT GEAR for Jeep
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Part Number:: 2104100
$1272.99
TeraFlex LOW231 6-CYL MANUAL 23 SPLINE for Jeep
TeraFlex LOW231 6-CYL MANUAL 23 SPLINE for Jeep
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Part Number:: 2104200
$1272.99
TeraFlex TeraLow Transfer Case 4.0.1 Reduction Kit for Jeep 88-02 Wrangler YJ, TJ w/Automatic Transmission & NP231 Transfer Case
TeraFlex TeraLow Transfer Case 4.0.1 Reduction Kit for Jeep 88-02 Wrangler YJ, TJ w/Automatic Transmission & NP231 Transfer Case
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Part Number:: 2104400
$1299.99
TeraFlex Transfer Case Linkage Kit for Jeep 97-06 Wrangler TJ
TeraFlex Transfer Case Linkage Kit for Jeep 97-06 Wrangler TJ
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Part Number:: 4947100
Market price: $99.95
Savings! 20%
$79.95
Transfer Case Linkage Repair Kit for Jeep 81-01 Wrangler YJ, TJ & CJ Series
Transfer Case Linkage Repair Kit for Jeep 81-01 Wrangler YJ, TJ & CJ Series
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Part Number:: 5014148AA
Market price: $29.95
Savings! 50%
$14.95
Vacuum Switch Harness for Jeep Wrangler 87-95 YJ w/231 Transfer Case
Vacuum Switch Harness for Jeep Wrangler 87-95 YJ w/231 Transfer Case
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Part Number:: 53002033
Market price: $129.95
Savings! 25%
$97.95
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