OE Quality
60-Day Returns

ACI 388274 Power Window Motor and Regulator Assembly - Rear Left
Reliable Window Motor and Regulator Assembly for Nissan Altima
The ACI Window Assembly part number 388274 is designed to restore smooth power window operation in Nissan Altima vehicles. This new power window motor and regulator assembly features a hardened steel gear for durability and meets or exceeds OEM standards for dependable performance.
- Compatible with Nissan Altima models
- New power window motor and regulator assembly
- Hardened steel gear for enhanced strength
- Meets or exceeds OEM specifications
- Includes both motor and regulator components
- Does not support express up or down function
Detailed Product Description
This ACI Window Assembly 388274 combines a power window motor and regulator into a single unit engineered for Nissan Altima vehicles. The hardened steel gear ensures long-lasting operation under regular use, reducing wear and tear compared to standard components. Designed as a new replacement part, it meets or exceeds original equipment manufacturer (OEM) quality standards, providing reliable window movement without express up or down functionality. The integrated motor and regulator style simplifies installation and restores factory-like window control.
About the ACI Window Assembly Product Line
The ACI Window Assembly product line focuses on delivering complete window motor and regulator assemblies that offer direct replacement for factory parts. This line is engineered to provide consistent fitment and performance for specific vehicle models, including the Nissan Altima. By combining motor and regulator components, the Window Assembly line streamlines repairs and ensures compatibility with OEM specifications.
Common Issues Addressed by This Window Motor and Regulator Assembly
- Power window failing to move or respond
- Window stuck in one position
- Grinding or unusual noises during window operation
- Slow or inconsistent window movement
- Broken or worn window regulator components
Installation Notes and Tips
Installation of the ACI 388274 window motor and regulator assembly requires removal of the door panel and disconnection of the existing window motor and regulator. Ensure all electrical connections are secure and test window operation before reassembling the door panel. Use appropriate tools to avoid damage to the hardened steel gear and related components during installation.
Quality Assurance and Warranty
This ACI Window Assembly part number 388274 is a new component that meets or exceeds OEM quality standards for Nissan Altima vehicles. It is manufactured with durable materials, including a hardened steel gear, to ensure long service life. Warranty coverage details should be confirmed with the distributor or manufacturer.
| Brand | ACI |
|---|---|
| Part Number | 388274 |
| Position | Window Assembly, Rear Left |
| Description | Window Motor Assembly |
| Express Up or Down? | No |
| Meets / Exceeds OEM? | Yes |
| New or Reman | New |
| Style | Motor & Regulator |
| Thread Direction | Hardened steel gear |
| Type | Power |
This part fits 12 vehicles. Search below:
| Year | Make | Model | # Doors | Liters | Cylinders | Position | Notes |
|---|---|---|---|---|---|---|---|
| 2018 | Nissan | Altima | 4 Door | 2.5L | L4 | Rear Left | Window Assembly |
| 2018 | Nissan | Altima | 4 Door | 3.5L | V6 | Rear Left | Window Assembly |
| 2017 | Nissan | Altima | 4 Door | 3.5L | V6 | Rear Left | Window Assembly |
| 2017 | Nissan | Altima | 4 Door | 2.5L | L4 | Rear Left | Window Assembly |
| 2016 | Nissan | Altima | 4 Door | 2.5L | L4 | Rear Left | Window Assembly |
| 2016 | Nissan | Altima | 4 Door | 3.5L | V6 | Rear Left | Window Assembly |
| 2015 | Nissan | Altima | 4 Door | 2.5L | L4 | Rear Left | Window Assembly |
| 2015 | Nissan | Altima | 4 Door | 3.5L | V6 | Rear Left | Window Assembly |
| 2014 | Nissan | Altima | 4 Door | 2.5L | L4 | Rear Left | Window Assembly |
| 2014 | Nissan | Altima | 4 Door | 3.5L | V6 | Rear Left | Window Assembly |
| 2013 | Nissan | Altima | 4 Door | 2.5L | L4 | Rear Left | Window Assembly |
| 2013 | Nissan | Altima | 4 Door | 3.5L | V6 | Rear Left | Window Assembly |
* Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
This part directly replaces or is cross-referenced with the following part numbers:
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.