WAI 389316 Window Motor and Regulator Assembly - Rear Left
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WAI

WAI 389316 Window Motor and Regulator Assembly - Rear Left

Brand WAI 389316
Position Rear Left
Fits Lexus · 5 vehicles

Direct-fit replacement. Simplifies service for the window motor and regulator assembly.

Complete assembly. Combines motor and regulator in one replacement unit.

Application-specific. Built for select Lexus sedan window service needs.

$144.90Free shipping
In stock · usually ships same day before 1pm CST
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Order total $144.90
Free shipping to the continental U.S.
Free returns within 60 days if it doesn't fit when fitment is verified.
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Overview

The WAI 389316 window motor and regulator assembly is a direct-fit replacement for the rear left window system on select Lexus sedans. It is built for applications where the window no longer moves smoothly, stops working, or binds during operation.

Key Features

  • Complete window motor and regulator assembly for simplified replacement
  • Direct-fit design for compatible Lexus ES300 and Lexus ES330 applications
  • Restores powered window movement when the original assembly wears out
  • Engineered for rear left installation
  • WAI part number 389316 for easy identification

Detailed Description

Use this WAI window motor and regulator assembly when servicing the rear left window on Fits 2004-2006 Lexus ES330, rear left and Fits 2002-2003 Lexus ES300, rear left. The assembly combines the motor and regulator into one replacement unit, which helps address common failures in the window lift mechanism without requiring separate component matching. For buyers searching for a Lexus ES330 rear left window motor and regulator assembly or a Lexus ES300 rear left window regulator replacement, part number 389316 provides a direct reference for the correct application.

Common Uses

  • Window glass will not raise or lower properly
  • Slow, uneven, or noisy window movement
  • Binding or slipping in the window lift mechanism
  • Motor operation without normal glass movement

Installation Notes

Verify the vehicle year, model, and rear left position before installation. Compare the original assembly and connector style to confirm proper application. Professional installation is recommended for accurate alignment and smooth window operation. Part number 389316 should be matched to the listed fitment before service begins.

Quality Assurance

WAI manufactures replacement electrical and body components for automotive service applications. This part number 389316 is listed for the specified Lexus fitments and is intended to replace the original rear left window motor and regulator assembly.

Related reading

This part fits 5 vehicles
Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
YearMakeModelPositionNotes
2006LexusES330Rear Left—
2005LexusES330Rear Left—
2004LexusES330Rear Left—
2003LexusES300Rear Left—
2002LexusES300Rear Left—