HomeElectrical, Lighting and Body > Glass, Windows and Related ComponentsACI 388763 Power Window Motor and Regulator Assembly - Front Left
Part #: 388763

ACI 388763 Power Window Motor and Regulator Assembly - Front Left

Window Assembly, Front Left
⚙️ 10 vehicles fit this part
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Select your vehicle to confirm fitment
Verify this part fits before purchasing — free returns if it doesn't
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✅ In Stock · Ready To Ship Most orders ship same-day if ordered before 1pm CST.
OE Direct Replacement — Bolt-on fit, no modifications needed
📦Window Assembly, Front Left
🚗Fitment: Mitsubishi, Lancer
🔄Easy Returns — Return within 60 days for a full refund
🚚Fast Shipping — Most orders ship same business day before 1pm CST

Overview of ACI Window Motor and Regulator Assembly

The ACI Window Assembly part number 388763 is a new power window motor and regulator designed specifically for Mitsubishi Lancer models. This assembly meets or exceeds OEM standards, ensuring reliable operation and compatibility with your vehicle's electrical and window systems.

  • New power window motor and regulator assembly
  • Meets or exceeds OEM specifications for quality and fit
  • Compatible with Mitsubishi Lancer models
  • Part number 388763 for precise identification
  • Includes both motor and regulator components for complete window operation

Detailed Product Description

The ACI Window Assembly line offers a comprehensive solution for power window repairs, combining both the motor and regulator into a single unit. This window motor and regulator assembly (part number 388763) is engineered to restore smooth and efficient window operation in Mitsubishi Lancer vehicles. Designed as a direct replacement, it ensures proper fitment and function without modification. The power type motor provides reliable electrical performance, supporting the vehicle’s window control system.

Common Applications and Problem Resolution

This window motor and regulator assembly is used to address several common window issues in Mitsubishi Lancer models, including:

  • Window glass failing to move up or down
  • Intermittent or non-responsive power window operation
  • Grinding or unusual noises during window movement
  • Window glass stuck in one position
  • Regulator mechanism failure causing window misalignment

Installation Notes and Tips

  • Ensure vehicle battery is disconnected before installation to prevent electrical hazards
  • Carefully remove the door panel to access the existing window motor and regulator
  • Compare the new assembly (part number 388763) with the original to confirm compatibility
  • Follow manufacturer torque specifications when securing the assembly
  • Test window operation before reassembling the door panel

Quality Assurance and Warranty

ACI’s Window Assembly product line is designed to meet or exceed OEM quality standards, providing dependable performance for Mitsubishi Lancer vehicles. This new window motor and regulator assembly undergoes rigorous quality checks to ensure durability and proper function. Warranty coverage details should be confirmed with the distributor or retailer at the time of purchase.

BrandACI
Part Number388763
PositionWindow Assembly, Front Left
DescriptionWindow Motor Assembly
Meets / Exceeds OEM?Yes
New or RemanNew
StyleMotor & Regulator
TypePower

This part fits 10 vehicles. Search below:

YearMakeModelPositionNotes
2017MitsubishiLancerFront LeftWindow Assembly
2016MitsubishiLancerFront LeftWindow Assembly
2015MitsubishiLancerFront LeftWindow Assembly
2014MitsubishiLancerFront LeftWindow Assembly
2013MitsubishiLancerFront LeftWindow Assembly
2012MitsubishiLancerFront LeftWindow Assembly
2011MitsubishiLancerFront LeftWindow Assembly
2010MitsubishiLancerFront LeftWindow Assembly
2009MitsubishiLancerFront LeftWindow Assembly
2008MitsubishiLancerFront 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:

3887635713A0855713A1256657848751780D388763WPR5941LM

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