The part number 290101LA0A (also formatted as 29010-1LA0A) is a genuine OEM Nissan/Infiniti Transfer Case Shift Motor (officially named Motor Assembly-Traction, Transfer).
The part number 290101LA0A (also formatted as 29010-1LA0A) is a genuine OEM Nissan/Infiniti Transfer Case Shift Motor (officially named Motor Assembly-Traction, Transfer).
Functionality
This electronic motor acts as the four-wheel-drive (4WD) actuator. It receives signals from your vehicle's main control unit to automatically engage the internal gears of the transfer case. This distributes torque between the front and rear axles, allowing the drivetrain to switch seamlessly between 2WD and 4WD modes based on driving conditions. [1, 2, 3]
Vehicle Fitment
This component is compatible with heavy-duty V8 5.6L 4WD powertrains across several Nissan and Infiniti models:
- Nissan Patrol / Patrol Platinum (Y62): 2010–2024
- Nissan Armada: 2017–2024
- Infiniti QX56: 2011–2013
- Infiniti QX80: 2014–2022
Failure Symptoms
When this traction motor components fail, you may experience:
- The vehicle getting stuck in 2WD mode or failing to switch to 4WD low/high.
- A flashing or solid "4WD" or "4x4" error indicator light on your dashboard.
- Poor traction management and grinding noises coming from beneath the vehicle during shift attempts.
If you are replacing this part, let me know if you need help finding installation diagrams, diagnosing a specific fault code, or checking pricing from regional automotive distributors.
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