HomeACI 389440 Window Motor and Regulator Assembly - Rear Left
Part #: 389440

ACI 389440 Window Motor and Regulator Assembly - Rear Left

Window Assembly, Rear Left
⚙️ 22 vehicles fit this part
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OE Direct Replacement — Bolt-on fit, no modifications needed
📦Window Assembly, Rear Left
🚗Fitment: Subaru, Impreza
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Reliable Window Motor and Regulator Assembly for Subaru Impreza

The ACI Window Assembly 389440 is a new power window motor and regulator designed specifically for Subaru Impreza models. Engineered with a hardened steel gear, this assembly ensures durability and smooth operation for your vehicle's window system.

  • New power window motor and regulator assembly
  • Hardened steel gear for enhanced strength and longevity
  • Meets or exceeds OEM specifications for reliable fit and function
  • Designed for Subaru Impreza window replacement needs
  • Does not include express up or down feature

About the ACI Window Assembly Product Line

The ACI Window Assembly product line focuses on delivering complete window motor and regulator assemblies that meet or exceed original equipment manufacturer standards. This ensures compatibility and performance for specific vehicle applications, such as the Subaru Impreza. The assemblies are designed to provide a direct replacement solution, maintaining the integrity of the vehicle's electrical and mechanical window systems.

Product Details and Specifications

The ACI part number 389440 features a power window motor combined with a regulator, built with a hardened steel gear to resist wear and provide consistent operation. This assembly is a new unit, not remanufactured, ensuring fresh components and reliable performance. It does not support express up or down window operation but is engineered to meet the exact fitment requirements of Subaru Impreza models, making it a suitable replacement for faulty or worn window motor and regulator assemblies.

Common Applications and Problem Resolution

  • Replacement for non-functioning power window motor in Subaru Impreza
  • Fixes windows that fail to move smoothly or get stuck
  • Resolves grinding or unusual noises from window operation
  • Addresses slow or intermittent window movement issues
  • Restores proper window control without express up/down functionality

Installation Notes and Tips

Installation of the ACI 389440 window motor and regulator assembly should be performed by a qualified technician familiar with Subaru Impreza door components. Ensure the vehicle's battery is disconnected before beginning to avoid electrical hazards. Verify the fitment with the specific model year of the Subaru Impreza to confirm compatibility. Proper alignment of the regulator and secure mounting of the motor assembly are critical for optimal window operation.

Quality Assurance and Warranty

This ACI Window Assembly part number 389440 meets or exceeds OEM standards, providing assurance of quality and durability. As a new component, it is manufactured to strict specifications to ensure reliable performance in Subaru Impreza vehicles. Warranty details should be confirmed with the distributor or manufacturer to understand coverage terms.

BrandACI
Part Number389440
PositionWindow Assembly, Rear Left
Gear MaterialHardened steel gear
DescriptionWindow motor assembly
Express Up or Down?No
Meets / Exceeds OEM?Yes
New or RemanNew
StyleMotor & regulator
TypePower

This part fits 22 vehicles. Search below:

YearMakeModelSubmodelLitersCylindersPositionNotes
2016SubaruImprezaRear LeftWindow Assembly
2015SubaruImprezaRear LeftWindow Assembly
2014SubaruImprezaLimited2.0LH4Rear LeftWindow Assembly
2014SubaruImprezaBase2.0LH4Rear LeftWindow Assembly
2014SubaruImprezaSport Limited2.0LH4Rear LeftWindow Assembly
2014SubaruImprezaPremium2.0LH4Rear LeftWindow Assembly
2014SubaruImprezaSport Premium2.0LH4Rear LeftWindow Assembly
2014SubaruImpreza2.0LH4Rear LeftWindow Assembly
2013SubaruImprezaSport Limited2.0LH4Rear LeftWindow Assembly
2013SubaruImprezaSport Premium2.0LH4Rear LeftWindow Assembly
2013SubaruImpreza2.0LH4Rear LeftWindow Assembly
2013SubaruImprezaLimited2.0LH4Rear LeftWindow Assembly
2013SubaruImprezaPremium2.0LH4Rear LeftWindow Assembly
2013SubaruImprezaBase2.0LH4Rear LeftWindow Assembly
2012SubaruImprezaSport Premium2.0LH4Rear LeftWindow Assembly
2012SubaruImprezaSport Limited2.0LH4Rear LeftWindow Assembly
2012SubaruImprezaTouring2.0LH4Rear LeftWindow Assembly
2012SubaruImprezaBase2.0LH4Rear LeftWindow Assembly
2012SubaruImprezaSport2.0LH4Rear LeftWindow Assembly
2012SubaruImprezaLimited2.0LH4Rear LeftWindow Assembly
2012SubaruImprezaPremium2.0LH4Rear LeftWindow Assembly
2012SubaruImprezaR2.0LH4Rear LeftWindow 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:

38944061188KG00062222FJ010D389440

Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.