The APDTY 853638 power window lift motor is a direct-replacement driver-side front window motor designed for 2004-2014 Nissan Titan, 2005-2014 Nissan Armada, 2004 Nissan Pathfinder, and 2004-2011 Infiniti QX56 vehicles. This brand-new motor restores smooth power window operation when your front left window moves slowly, makes grinding noises, or stops working entirely.
Key Takeaways
- Direct replacement for front left (driver-side) power window motor on select Nissan and Infiniti full-size trucks and SUVs
- Replaces OE part numbers 80731-9FJ0A, 80731-ZT01A, 80731ZT01A, and 80730ZM70B
- Fits 2004-2014 Nissan Titan, 2005-2014 Armada, 2004 Pathfinder, and 2004-2011 Infiniti QX56
- Brand-new motor assembly ready to install with existing regulator or as part of complete window system repair

Buy APDTY 853638 directly from APDTY
What Does the APDTY 853638 Window Motor Do?
The power window lift motor converts electrical current into rotational force that drives the window regulator mechanism. When you press the window switch, the motor spins gears that pull cables or push scissor arms to raise and lower the glass. The APDTY 853638 is engineered specifically for the front left door position, where the motor endures thousands of cycles over the vehicle's life.
In full-size trucks and SUVs like the Nissan Titan and Armada, window motors face added stress from larger, heavier glass panels and exposure to dust, moisture, and temperature extremes. A failing motor typically shows intermittent operation before stopping completely, leaving the window stuck in one position.
What Are the Symptoms of a Bad Driver-Side Window Motor?
Recognizing window motor failure early helps prevent further damage to the regulator or door electronics. Common symptoms include:
- Slow window movement: The glass creeps up or down instead of moving smoothly at normal speed
- Grinding or clicking sounds: Internal gears stripped or motor brushes worn, causing metal-on-metal contact
- Window drops or tilts: Motor can't maintain tension, allowing glass to shift off track
- No response from switch: Motor receives power but internal components are seized or burned out
- One-direction operation only: Window goes up but not down, or vice versa, indicating partial motor failure
- Burning smell from door panel: Electrical overload from a struggling motor drawing excessive current
If you hear the window switch click but nothing happens, or if the motor hums without moving the glass, the motor has likely failed. Before replacing the motor, verify that power reaches the connector and that the regulator isn't binding—sometimes a bent regulator arm can overload an otherwise functional motor.
Which Vehicles Does APDTY 853638 Fit?
This window motor is designed exclusively for the front left (driver-side) door on the following vehicles:
| Make | Model | Years |
|---|---|---|
| Nissan | Titan | 2004-2014 |
| Nissan | Armada | 2005-2014 |
| Nissan | Pathfinder | 2004 only |
| Infiniti | QX56 | 2004-2011 |
Important: This fitment applies to the specific model years listed. The 2004 Nissan Pathfinder uses this motor for only that single model year; 2005 and later Pathfinder models use a different design. Always verify compatibility using the live fitment chart on the product page before ordering, as trim levels, door configurations, and production changes can affect part compatibility even within the same model year.
What OE Part Numbers Does APDTY 853638 Replace?
The APDTY 853638 is engineered to replace the following Nissan original equipment part numbers:
- 80731-9FJ0A
- 80731-ZT01A
- 80731ZT01A
- 80730ZM70B
These numbers may appear on your original motor label, on the parts diagram in your service manual, or on dealer invoices. Cross-referencing these OE numbers confirms you're ordering the correct motor for your vehicle's front left door. If your motor bears a different part number, verify fitment before installation.
How Do You Install a Front Left Window Motor?
Replacing a power window motor requires basic hand tools and attention to door panel fasteners. This overview provides general guidance; always consult your vehicle's service manual for exact procedures, torque specs, and connector locations.
- Disconnect the battery: Remove the negative terminal to prevent shorts and accidental window movement during work
- Remove the door panel: Unscrew panel retainers (typically behind trim caps), disconnect speaker and window switch connectors, and carefully pry panel clips free
- Support the window glass: Raise the window fully and secure it with tape or wood blocks to prevent it from dropping when you detach the motor
- Access the motor: Peel back the moisture barrier enough to reach the motor mounting bolts and electrical connector
- Disconnect the motor: Unplug the wiring harness, then remove the bolts or rivets securing the motor to the regulator or door frame
- Install the new motor: Position APDTY 853638 in the mounting location, secure with bolts (replace rivets with bolts if necessary), and plug in the connector
- Test operation: Reconnect the battery, test window movement in both directions before reassembling the door panel
- Reassemble the door: Replace moisture barrier, snap door panel clips into place, reinstall screws and trim caps, reconnect switches
If the window still struggles after motor replacement, inspect the regulator for bent arms, worn rollers, or binding tracks. Lubricate regulator pivot points with white lithium grease to reduce motor load and extend service life.
What Makes APDTY 853638 a Reliable Replacement?
The APDTY 853638 is a brand-new motor assembly built to OE specifications for form, fit, and function. Key features include:
- Direct-fit design: Matches original mounting points and connector configuration for hassle-free installation
- Engineered for heavy-duty use: Designed to handle the larger glass panels and higher torque demands of full-size trucks and SUVs
- Pre-tested operation: Factory-tested for proper rotation speed, torque output, and electrical draw before shipping
- OE-style connector: Plugs directly into existing wiring harness without splicing or adapters
This motor is sold as a standalone component, allowing you to replace only the failed part if your window regulator is still in good condition. For maximum reliability, inspect the regulator for wear and lubricate all pivot points during motor installation.
Frequently asked questions
Does APDTY 853638 fit both front doors?
No, this motor is designed exclusively for the front left (driver-side) door. A separate part number is required for the front right (passenger-side) door.
Can I use this motor if my window regulator is damaged?
Yes, but you should repair or replace the regulator at the same time. A bent or binding regulator will overload the new motor and cause premature failure. Always inspect regulator condition before installing a new motor.
What if my window still doesn't work after installing the new motor?
Verify that power reaches the motor connector using a test light or multimeter, check the window switch for continuity, and inspect the regulator for binding or broken cables. If the motor receives power but doesn't run, confirm correct installation and proper ground connection.
Will this motor work on a 2005 or newer Pathfinder?
No, APDTY 853638 fits only the 2004 Nissan Pathfinder. The 2005 and later Pathfinder models use a different window motor design. Always verify fitment using the compatibility chart on the product page before ordering.
A failed driver-side window motor leaves you struggling with ventilation, security, and weather protection. The APDTY 853638 power window lift motor delivers a direct-fit, cost-effective solution for 2004-2014 Nissan Titan, 2005-2014 Armada, 2004 Pathfinder, and 2004-2011 Infiniti QX56 vehicles. By replacing worn components with a brand-new motor that matches OE specifications, you restore smooth, reliable window operation without the dealership markup. Verify your exact vehicle compatibility using the fitment chart, and get your driver window working again today.
