Jeep XJ NP231 Transfer Case - 1983-2001 | 4WD.com
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Jeep XJ Cherokee NP231 Transfer Cases

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J Cherokee NP231 Transfer Case
Fire roads are an excellent way to get started off-roading, but primitive motor trails and slickrocks take the adventure to new heights. If you are active off-road, even if it's occasionally, your Jeep is taking a beating. Understanding upgrades and maintenance requirements enhance performance and keep it out of the garage.

Common Issues
4WD High are the gears used for everyday driving. The fun starts when you get off the pavement and shift to the low gears. 4WD Low is for low speeds and high traction. It's all about the torque and the gearing of the NP231 transfer case. These gears punch up the power for rock crawling and two-wheeling. Significantly enhance off-road performance with the right tires. Rock tires and mudders are great on the trail but don't hold up on the black top. For optimal performance match the lift to tire size. Going too high can cause stability issues, and the axle strength limits the tire options. 


Drivetrain vibrations occur in lifts over two inches because the driveline angle is too much. Fix part of the problem with the upgrade of a longer driveshaft and a slip-yoke eliminator. The decreased driveshaft angle reduces the stress on the output shaft. Check the model requirements and specifications before you upgrade. The 1994 Jeep Cherokee transfer case has few crossover options, but can be rebuilt.


Axlewrap causes damage in rigs with a shorter wheelbase. Lowering the Jeep XJ transfer case can help, but then you've lost the lift advantage. An aftermarket 1998 Jeep Cherokee transfer case and high-quality replacement parts improve performance and are durable. Maintenance checks and preventative measures after each trail ride reduces the chance of breakdowns.

Maintenance Checks
Even upgraded aftermarket parts are pushed to the limit with regular off-road trips. Check the transmission, differential, axle and shocks for cracks, leaks and dents before serious damage occurs. Premium parts enhance the ride and improve longevity. At 4WD.com, we source from quality manufacturers, so you know you are getting the best parts for your off-road experience. Place your order today and get started on the next adventure.

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91 Products
1
 Crown Automotive Transfer Case Shift Fork

Crown Automotive Transfer Case Shift Fork

Crown Automotive Transfer Case Shift Fork

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1
 Omix-ADA Transfer Case Shift Forks

Omix-ADA Transfer Case Shift Forks

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3
 Crown Automotive Transfer Case Shift Fork Insert Kit

Crown Automotive Transfer Case Shift Fork Insert Kit

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3
 Omix-ADA Transfer Case Shift Fork Pad Sets

Omix-ADA Transfer Case Shift Fork Pad Sets

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4
 Crown Automotive Manual Trans Shift Lever Insert

Crown Automotive Manual Trans Shift Lever Insert

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4
 Omix-ADA Manual Trans Shift Handle Insulators

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5
 Omix-ADA Shift Lever Clips

Omix-ADA Shift Lever Clips

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5
 Crown Automotive Transfer Case Shift Lever Clip

Crown Automotive Transfer Case Shift Lever Clip

Crown Automotive Transfer Case Shift Lever Clip

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6
 Crown Automotive Transfer Case Shift Linkage Repair Kit

Crown Automotive Transfer Case Shift Linkage Repair Kit

Crown Automotive Transfer Case Shift Linkage Repair Kit
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7
 Crown Automotive Transfer Case Selector Shaft O-Ring

Crown Automotive Transfer Case Selector Shaft O-Ring

Crown Automotive Transfer Case Selector Shaft O-Ring

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7
 Omix-ADA Transfer Case Selector Shaft O-Rings

Omix-ADA Transfer Case Selector Shaft O-Rings

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8
 Omix-ADA Transfer Case Selector Shaft Seals

Omix-ADA Transfer Case Selector Shaft Seals

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8
 Crown Automotive Transfer Case Shift Lever Retaining Ring

Crown Automotive Transfer Case Shift Lever Retaining Ring

Crown Automotive Transfer Case Shift Lever Retaining Ring

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9
 Crown Automotive Transfer Case Shift Lever Bushing

Crown Automotive Transfer Case Shift Lever Bushing

Crown Automotive Transfer Case Shift Lever Bushing
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9
 Omix-ADA Transfer Case Shift Lever Bushings

Omix-ADA Transfer Case Shift Lever Bushings

Omix-Ada Transfer Case Shift Lever Bushing

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10
 Crown Automotive Transfer Case Yoke

Crown Automotive Transfer Case Yoke

Crown Automotive Transfer Case Yokes

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11
 Omix-ADA Transfer Case Output Seals

Omix-ADA Transfer Case Output Seals

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12
 Omix-ADA Transfer Case Output Shaft Bearings

Omix-ADA Transfer Case Output Shaft Bearings

Omix-Ada Transfer Case Output Shaft Bearing

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13
 Crown Automotive NP231 Transfer Case Front Output Shaft

Crown Automotive NP231 Transfer Case Front Output Shaft

Crown Automotive NP231 Transfer Case Front Output Shaft

From $110.99

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13
 Omix-ADA Transfer Case Output Shafts

Omix-ADA Transfer Case Output Shafts

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15
 Omix-ADA Transfer Case Drive Sprockets

Omix-ADA Transfer Case Drive Sprockets

Omix-Ada Transfer Case Drive Sprocket

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15
 Crown Automotive Transfer Case Drive Sprocket

Crown Automotive Transfer Case Drive Sprocket

Crown Automotive Transfer Case Drive Sprocket

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16
 Omix-ADA Transfer Case Drive Chains

Omix-ADA Transfer Case Drive Chains

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17
 Omix-ADA Transfer Case Maindrive Sprocket Bearings

Omix-ADA Transfer Case Maindrive Sprocket Bearings

Omix-Ada Transfer Case Maindrive Sprocket Bearing

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18
 Omix-ADA Transfer Case Mainshafts

Omix-ADA Transfer Case Mainshafts

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19
 Crown Automotive Transfer Case Oil Seal

Crown Automotive Transfer Case Oil Seal

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19
 Omix-ADA Transfer Case Oil Pump Housing Oil Seals

Omix-ADA Transfer Case Oil Pump Housing Oil Seals

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20
 Crown Automotive Transfer Case Oil Pumps

Crown Automotive Transfer Case Oil Pumps

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20
 Omix-ADA Transfer Case Oil Pump Housings

Omix-ADA Transfer Case Oil Pump Housings

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22
 Crown Automotive Transfer Case Shift Mode Synchronizer Blocking Ring

Crown Automotive Transfer Case Shift Mode Synchronizer Blocking Ring

Crown Automotive Transfer Case Shift Mode Synchronizer Blocking Ring

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23
 Crown Automotive Manual Trans Synchronizer Plate

Crown Automotive Manual Trans Synchronizer Plate

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23
 Omix-ADA Transfer Case Shift Mode Synchronizer Assemblies

Omix-ADA Transfer Case Shift Mode Synchronizer Assemblies

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23
 Crown Automotive Transfer Case Shift Mode Synchronizer Assembly

Crown Automotive Transfer Case Shift Mode Synchronizer Assembly

Crown Automotive Transfer Case Shift Mode Synchronizer Assembly

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24
 Jeep Transfer Case Range Gear Hub

Jeep Transfer Case Range Gear Hub

Jeep Transfer Case Range Gear Hub

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24
 Crown Automotive Transfer Case Range Shift Hub

Crown Automotive Transfer Case Range Shift Hub

Crown Automotive Transfer Case Range Shift Hub

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24
 Omix-ADA Transfer Case Range Shift Hubs

Omix-ADA Transfer Case Range Shift Hubs

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25
 Crown Automotive Transfer Case Planetary Gear

Crown Automotive Transfer Case Planetary Gear

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25
 Omix-ADA Transfer Case Planetary Gears

Omix-ADA Transfer Case Planetary Gears

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26
 Omix-ADA Transfer Case Input Gear Bearings

Omix-ADA Transfer Case Input Gear Bearings

Omix-Ada Transfer Case Input Gear Bearing

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26
 Crown Automotive Transfer Case Input Gear Inner Bearing

Crown Automotive Transfer Case Input Gear Inner Bearing

Crown Automotive Transfer Case Input Gear Inner Bearing

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28
 Crown Automotive Transfer Case Input Shaft Gear

Crown Automotive Transfer Case Input Shaft Gear

Crown Automotive Transfer Case Input Shaft Gear

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28
 Omix-ADA Transfer Case Input Gears

Omix-ADA Transfer Case Input Gears

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29
 Omix-ADA Transfer Case Input Bearing Retainer Kits

Omix-ADA Transfer Case Input Bearing Retainer Kits

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29
 Crown Automotive Transfer Case Input Bearing Retainer Kit

Crown Automotive Transfer Case Input Bearing Retainer Kit

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30
 Crown Automotive Manual Trans Input Shaft Seal

Crown Automotive Manual Trans Input Shaft Seal

Crown Automotive Manual Trans Input Shaft Seal

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30
 Omix-ADA Input Bearing Retainer Seals

Omix-ADA Input Bearing Retainer Seals

Omix-Ada Transfer Case Input Bearing Retainer Seal

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32
 Crown Automotive Transfer Case Housing Extensions

Crown Automotive Transfer Case Housing Extensions

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32
 Omix-ADA Transfer Case Housing Extensions

Omix-ADA Transfer Case Housing Extensions

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33
 Crown Automotive Extension Housing Bushing

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33
 Omix-ADA Transfer Case Mainshaft Bushings

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34
 Crown Automotive Rear Transfer Case Halves

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35
 Crown Automotive Transfer Case Debris Magnet

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36
 Crown Automotive Vacuum Switch O-Ring Seal

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36
 Omix-ADA Transfer Case Oil Tube O-Rings

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37
 Crown Automotive Transfer Case Electrical Switch

Crown Automotive Transfer Case Electrical Switch

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37
 Dorman Transfer Case Vacuum Switch

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38
 Omix-ADA Transfer Case Vacuum Switch Seals

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39
 Crown Automotive Transfer Case Overhaul Kit

Crown Automotive Transfer Case Overhaul Kit

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40
 Crown Automotive Transfer Case Half Case

Crown Automotive Transfer Case Half Case

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41
 Omix-ADA Oil Filters

Omix-ADA Oil Filters

Omix-Ada Oil Filter

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41
 Crown Automotive Transfer Case Oil Filter

Crown Automotive Transfer Case Oil Filter

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43
 Crown Automotive Driveshaft Slip Yokes

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Crown Automotive Drive Shaft Slip Yoke
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44
 Crown Automotive Transfer Case Shift Bearing

Crown Automotive Transfer Case Shift Bearing

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46
 Crown Automotive Transfer Case Input Bearing Retainer

Crown Automotive Transfer Case Input Bearing Retainer

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47
 Omix-ADA Transfer Case Shift Mode Selectors

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47
 Crown Automotive Transfer Case Shifting Sector

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Crown Automotive Vacuum Harness

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Crown Automotive Speedometer Gears

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Crown Automotive Oil Slingers

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Universal Manufacturing Co. Reman Replacement NP231

Universal Manufacturing Co. Reman Replacement NP231

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Omix-ADA Transfer Case Shifter Boots

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Jeep NP231 Front Output Yoke Seal Washer

Jeep NP231 Front Output Yoke Seal Washer

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Crown Automotive Transfer Case Range Shift Fork Bushing

Crown Automotive Transfer Case Range Shift Fork Bushing

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Crown Automotive Transfer Case Seal Kits

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Omix-ADA Transfer Case Output Yoke Nuts

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Rubicon Express Transfer Case Yokes

Rubicon Express Transfer Case Yoke

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Jeep Speedometer Cable Gear

Jeep Speedometer 30 Teeth Gear

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Omix-ADA Transfer Cases

Omix-Ada Transfer Case

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Crown Automotive Transfer Case Small Parts Kits

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Crown Automotive Transfer Case Output Yokes

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Crown Automotive U-Bolt Kits

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Jeep Shifter Cable Retainer Clip

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RT Off-Road Transfer Case Slip Yoke Eliminator Kits

RT Off-Road Transfer Case Slip Yoke Eliminator Kit
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Jeep NP231 Shift Mode Fork Bushing

Jeep NP231 Shift Mode Fork Bushing

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RT Off-Road Transfer Case Shift Knobs

RT Off-Road Transfer Case Shift Knob

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Jeep NP231 Front Output Shaft Bearing Retaining Ring

Jeep NP231 Front Output Shaft Bearing Retaining Ring

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Jeep Speedometer Pinion O-Ring

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Omix-ADA Pinion Nuts

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Omix-Ada Transfer Case Plugs

Omix-Ada Manual Trans Case Plug

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Omix-ADA Transfer Case Mode Shift Fork Bushings

Omix-Ada Transfer Case Mode Shift Fork Bushing

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Even if you’re a veteran of the off-road lifestyle, and have taken your Jeep out on countless extreme adventures, you know there is a lot to learn about your rig’s capabilities. It’s a no-brainer keeping track of the vehicle’s vital signs with an XJ Cherokee fuel gauge, but when it comes to drivetrains, differentials, axles and transfer cases things get a little complicated. A replacement Jeep XJ transfer case upgrades your ride to perform well on difficult routes.

Ride in Low Gears in the Backcountry
With the right tires, optimum lift, and proper gearing your Jeep performs like a champion off-road. At 4WD, find NP231 transfer cases for sale to enable your ride to get into the low gears to improve traction and torque. We carry a full line of transfer case components and hardware, from Crown Automotive shift forks to Omix-ADA shift lever clips to Jeep range gear hubs. These direct OE replacement parts are built to the original specifications and are great to swap out worn or broken parts.

Replace Faulty Parts
At 4Wd.com we stock nearly a hundred quality products to reinforce the durability of your transfer case components. We know that driving off-road can take a toll on your Cherokee, so keeping up on maintenance only makes your Jeep stronger.

Upgrade
To improve your interior, Jeep replacement dash parts and the XJ Cherokee fuel gauge customize your cabin with smart looks and enhanced function. When you have your controls in just the right spot, and the gauges are easy to read, you can switch electrical systems on and off quickly and check your auto’s heartbeat in a glance.

Guaranteed Low Prices
You won’t find better prices anywhere. Our 90-day price match guarantee is straight forward and clear: find a better advertised price anywhere, and we will refund you the difference. Order from 4WD.com today and experience low prices and high quality.

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