

Buy Mopar R2123155AA Transfer Case
$4,235.00
Mopar R2123155AA Transfer Case For Sale
2007-2012 Mopar R2123155AA
Dodge Transfer Case For Sale
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Other Name: Transfer Case Nvg271 See Note
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Replaced by: R2123155AB
Mopar R2123155AA Transfer Case
Genuine Mopar 4WD Power for Your Ram Truck
Restore full four-wheel-drive functionality with the mopar r2123155aa transfer case dodge ram 3500. This genuine OEM NVG271 transfer case fits select Dodge Ram 3500, 4500, 5500 and Ram 3500, 4500, 5500 heavy-duty trucks. Therefore, you get factory-performance off-road capability and towing confidence.
Product Specifications
First, this transfer case comes brand new in genuine Mopar packaging. The manufacturer part number is R2123155AA, and the SKU matches. In terms of dimensions, the unit measures 28.8 x 23.1 x 20.4 inches and weighs a substantial 169.80 pounds. Moreover, Mopar backs this part with its factory warranty – giving you complete peace of mind for this critical drivetrain component.
Vehicle Fitment
Regarding compatibility, this transfer case fits multiple heavy-duty Ram models:
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2007-2010 Dodge Ram 3500 – with 6.7L Diesel or 5.7L V8 engines. Cab styles include Quad Cab Chassis 4WD, Regular Cab Chassis 4WD, and Quad Chassis CAB 4WD.
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2008-2010 Dodge Ram 4500 and 5500 – with 6.7L Diesel. Configurations include Quad Chassis Cab 4WD and Regular Chassis Cab 4WD.
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2011-2012 Ram 3500, 4500, and 5500 – with 6.7L Diesel or 5.7L V8. Cab styles include Crew Cab Chassis 4WD and Regular Cab Chassis 4WD.
Therefore, if you own any of these heavy-duty Rams, this transfer case serves as a direct OEM replacement.
Professional Installation Guidance
Customers often ask about transfer case removal and installation. For removal from a 2012 Ram 3500, follow these steps:
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First, make a final check that all wires and hoses are disconnected from the transfer case.
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Then, move the transfer case and jack toward the rear of the vehicle until the unit clears the transmission.
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Once the input shaft clears, lower the transfer case and remove it from under the vehicle.
For reinstallation, you will need a sturdy workbench, vise, or transmission stand to handle the 170-pound unit. After installing, complete these additional steps:
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Install the rear crossmember (if removed).
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Remove the transmission jack from under the transmission.
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Install the driveshafts.
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Reattach all vacuum or vent lines.
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Plug in all electrical connectors.
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On manual shift models, connect the shift rod and adjust linkage.
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On electric shift models, connect the shift motor and sensor connectors.
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Refill the transfer case with lubricant.
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Install the skid plate (if equipped).
Why Careful Disassembly Matters
Taking careful notes during disassembly ensures proper reassembly. Thus, label all bolts, wires, and hoses as you remove them. This practice saves time and prevents mistakes.
Important Reminder
Please verify your vehicle’s year, make, model, engine, and cab configuration using the fitment chart above before purchasing. This genuine Mopar transfer case guarantees factory fit and durability.
Final Call to Action
Finally, replace a worn or failed transfer case with the genuine mopar r2123155aa transfer case dodge ram 3500. Shop now at buydodgecarparts.com – your trusted source for authentic Dodge and Ram parts.







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