Description
Part Description
This Model 231 transfer case was removed from a 2001 Jeep Wrangler equipped with the 4.0L engine and automatic transmission. The unit has been thoroughly inspected by our certified technicians and is in good working condition. This Grade A transfer case is currently on the shelf and ready to ship immediately.
The transfer case is a critical component in 4×4 vehicles, distributing power between the front and rear axles. Common reasons for replacement include worn chains, damaged gears, seal leaks, or bearing failure that can cause grinding noises, difficulty shifting between 2WD and 4WD modes, or complete loss of 4-wheel drive functionality. The Model 231 is known for its reliability in Jeep applications.
At 603 Auto Salvage, we maintain over 50,000 quality used parts from more than 1,100 vehicles in our Plaistow, NH facility. Our experienced team can help you find the exact transfer case or any other component you need. Browse our online inventory or contact us to verify fitment and availability for your specific vehicle. 50,000+ parts in stock from over 1,100 vehicles. Contact us or call (603) 392-7313 for anything you need.
Part Specifications
| Part | Transfer Case Assembly – Model 231 |
| Interchange # | 507 |
| OEM Part Number | Contact for OEM# |
| Side | N/A |
| Part Grade | A — Grade A – Good working condition, 129K miles, inspected and ready to ship |
| Warranty | 90-Day Warranty (Standard coverage for drivetrain components with moderate mileage) |
| Type | Used OEM |
Vehicle Information (Donor)
| Year / Make / Model | 2001 JEEP WRANGL |
| VIN | N/A |
| Vehicle Stock # | 0916245346 |
Our Testing & Inspection Process
Every part at 603 Auto Salvage is inspected before listing. Here is what was verified on this Transfer Case Assembly – Model 231:
| ✅ Case Housing | Inspected for cracks, damage, and structural integrity |
| ✅ Input/Output Shafts | Verified smooth rotation and proper engagement |
| ✅ Chain and Gears | Checked for excessive wear and proper meshing |
| ✅ Shift Mechanism | Tested for proper operation between 2WD and 4WD modes |
| ✅ Seals and Gaskets | Inspected for leaks and proper sealing |
| ✅ Mounting Points | Verified all mounting surfaces are undamaged |
Compatibility — What Vehicles Does This Part Fit?
Based on interchange #507, this part fits the following vehicles. Always confirm fitment with your mechanic before purchasing.
| Year(s) | Make | Model | Notes |
|---|---|---|---|
| 1997-2002 | Jeep | Wrangler TJ | 4.0L engine with automatic transmission, Model 231 transfer case |
| 1999-2004 | Jeep | Grand Cherokee WJ | Select models with Model 231 transfer case |
| 2002-2007 | Jeep | Liberty KJ | Models equipped with Model 231 transfer case |
| 2004-2012 | Chevrolet | Colorado | 4WD models with compatible transfer case mounting |
| 2004-2012 | GMC | Canyon | 4WD models with compatible transfer case configuration |
Questions? Need a shipping quote? Call us now:
603 Auto Salvage | 233 Main St, Plaistow, NH 03865
Mon–Fri 8am–4:30pm | Sat 8am–2pm | Sun Closed
Warranty & Shipping
Frequently Asked Questions
Will this Model 231 transfer case fit my 2001 Jeep Wrangler?
Yes, this transfer case is specifically from a 2001 Jeep Wrangler with 4.0L engine and automatic transmission. It will fit 1997-2002 Wrangler TJ models with the same configuration.
What are signs that my transfer case needs replacement?
Common symptoms include grinding or whining noises, difficulty shifting between 2WD and 4WD, fluid leaks under the vehicle, or complete loss of 4-wheel drive functionality.
Is this transfer case ready to install?
Yes, this unit has been inspected and is in good working condition. We recommend having a qualified technician perform the installation and refill with proper transfer case fluid.
What’s included with this transfer case?
You receive the complete Model 231 transfer case assembly as removed from the donor vehicle. Additional components like driveshafts, linkages, or mounting hardware are sold separately.
How do I verify this will work with my specific vehicle?
Contact us with your vehicle’s year, make, model, engine size, and transmission type. Our parts specialists can confirm compatibility using the interchange number 507.
What’s the difference between Model 231 and other Jeep transfer cases?
The Model 231 is a chain-driven, part-time 4WD transfer case commonly used in Jeep Wranglers and other models. It’s known for reliability and is not designed for full-time AWD operation.
Related Parts & Resources
OEM Part Numbers & Cross-Reference
Looking for this part by number? Here are the reference numbers:
| Transfer Case Model | 231 |
| Interchange Number | 507 |
| Application | 4.0L AT 4X4 |
| Stock Number | 0916245346 |
Price Comparison — Why Used OEM Makes Sense
| Source | Price Range | Warranty | Notes |
|---|---|---|---|
| Dealer (New OEM) | $1,800-$2,500 | 1 year | Brand new, longest wait time |
| Aftermarket | $800-$1,200 | Varies | Non-OEM fitment, quality varies |
| Other Salvage Yards | $300-$450 | 30–60 days | Varies in quality and testing |
| 603 Auto Salvage | $250.00 | 90-Day Warranty | Tested, Grade A, ships in 24hrs |
Installation Notes
- Support the transmission with a jack before removing the transfer case to prevent damage
- Mark the driveshaft positions before removal to ensure proper reassembly alignment
- Replace the transfer case fluid and output shaft seals during installation
- Torque all mounting bolts to manufacturer specifications to prevent vibration
- Test 2WD and 4WD operation after installation to verify proper engagement
🔍 Free Fitment Check
Call us with your VIN and we will verify compatibility for free. No obligation, no pressure — just answers.
Our parts specialists check interchange data in real-time
Estimated Shipping Costs by Region
This part ships via FedEx Freight. Prices are estimates — call for an exact quote to your zip code.
| Region | Estimated Cost | Transit Time |
|---|---|---|
| New England (NH, MA, ME, VT, CT, RI) | $150 – $250 | 1–3 business days |
| Northeast (NY, NJ, PA, MD, VA) | $200 – $350 | 2–4 business days |
| Southeast (FL, GA, NC, SC, TN) | $300 – $450 | 3–5 business days |
| Midwest (OH, MI, IL, IN, WI, MN) | $350 – $475 | 3–5 business days |
| Southwest (TX, AZ, NM, OK) | $400 – $550 | 4–6 business days |
| West Coast (CA, OR, WA) | $450 – $600 | 5–7 business days |
Local pickup is always free. Free delivery within 30 miles of Plaistow, NH.
Why Buy From 603 Auto Salvage?
- 50,000+ parts in stock from over 1,100 vehicles on-site in Plaistow, NH
- Every part inspected before listing — no guesswork
- Family-owned salvage yard — real people, not a call center
- 90-Day Warranty on this part
- Fast shipping — most orders ship within 24 hours
- Competitive pricing — save 50–70% vs dealer prices
- Serving New Hampshire, Massachusetts & all 50 states
Ready to order? Call (603) 392-7313 or add to cart above. We are here to help.




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