WAI 384954 Window Regulator - Rear Left

Brand WAI 384954
Position Rear Left
Fits Audi · 21 vehicles

Direct-fit replacement. Restores smooth window movement in a power window system.

Rear left application. Built for the listed door position on select Audi models.

$92.76Free shipping
In stock · usually ships same day before 1pm CST
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Window Regulator for Audi Rear Left

This WAI window regulator, part number 384954, is a direct-fit replacement for the rear left power window system on select Audi models. It is built for vehicles that need precise glass movement and consistent window operation.

Key Features

  • Direct-fit window regulator for the rear left door
  • Fits power window applications
  • Compatible with Audi A4, Audi A4 Quattro, Audi S4, and Audi RS4 applications
  • Part number 384954 for easy identification

Detailed Description

Use this window regulator to restore controlled up-and-down window travel when the original mechanism is worn, binding, or no longer holding the glass properly. Fits 2002-2008 Audi A4, rear left; fits 2002-2008 Audi A4 Quattro, rear left; fits 2004-2008 Audi S4, rear left; and fits 2007-2008 Audi RS4, rear left. The fitment coverage makes 384954 a practical replacement for Audi door repair work where the power window mechanism has failed or become inconsistent. This part number 384954 is listed for rear left applications only, so match the vehicle and position before ordering.

What It Is Used For

  • Fixing a window that will not move smoothly
  • Replacing a regulator with broken or worn internal components
  • Restoring proper glass travel in a power window system
  • Addressing window movement that slips, binds, or stops unevenly

Installation Notes and Tips

Confirm the vehicle year, model, and rear left position before installation. Compare the original regulator layout and connector style to the replacement part before removing the door trim. For Audi A4, A4 Quattro, S4, and RS4 applications, verify that the power window setup matches the listed fitment for part number 384954.

This part fits 21 vehicles
Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
YearMakeModelBody TypeLitersCylindersPositionNotes
2008AudiA4—3.2LV6Rear LeftPower Window Regulator
2008AudiA4 Quattro—3.2LV6Rear LeftPower Window Regulator
2008AudiRS4———Rear LeftPower Window Regulator
2008AudiS4Sedan——Rear LeftPower Window Regulator
2007AudiA4—3.2LV6Rear LeftPower Window Regulator
2007AudiA4 Quattro—3.2LV6Rear LeftPower Window Regulator
2007AudiRS4—4.2LV8Rear LeftPower Window Regulator
2007AudiS4Sedan——Rear LeftPower Window Regulator
2006AudiA4—3.2LV6Rear LeftPower Window Regulator
2006AudiA4 Quattro—3.2LV6Rear LeftPower Window Regulator
2006AudiS4Sedan——Rear LeftPower Window Regulator
2005AudiA4Sedan3.0LV6Rear LeftPower Window Regulator
2005AudiA4 QuattroSedan3.0LV6Rear LeftPower Window Regulator
2005AudiS4Sedan——Rear LeftPower Window Regulator
2004AudiA4Sedan3.0LV6Rear LeftPower Window Regulator
2004AudiA4 QuattroSedan3.0LV6Rear LeftPower Window Regulator
2004AudiS4Sedan——Rear LeftPower Window Regulator
2003AudiA4Sedan3.0LV6Rear LeftPower Window Regulator
2003AudiA4 Quattro—3.0LV6Rear LeftPower Window Regulator
2002AudiA4—3.0LV6Rear LeftPower Window Regulator
2002AudiA4 Quattro—3.0LV6Rear LeftPower Window Regulator