HomeWAI WPR4840LMB Window Motor and Regulator Assembly - Rear Left
Part #: WPR4840LMB

WAI WPR4840LMB Window Motor and Regulator Assembly - Rear Left

Rear Left
7 vehicles fit this part
Select your vehicle to confirm fitment
Verify this part fits before purchasing — free returns if it doesn't
$90.39Free Shipping
Free ShippingNo Cost to Continental U.S.
Free Returns*Wrong fit? No cost
60-Day ReturnsMoney back guarantee
*Free return shipping only qualifies if our fitment verification tool is used.
Out of Stock
OE Direct Replacement — Bolt-on fit, no modifications needed
Fitment: Acura, RL
Easy Returns — Return within 60 days for a full refund
Fast Shipping — Most orders ship same business day before 1pm CST

Reliable Window Motor and Regulator Assembly for Acura RL

The WAI WPR4840LMB window motor and regulator assembly is designed specifically for Acura RL models, providing dependable power window operation. This replacement part ensures smooth and consistent window movement, restoring functionality to your vehicle's door system.

Key Features of WAI WPR4840LMB Window Motor and Regulator

  • Compatible with Acura RL models for precise fitment
  • Complete window motor and regulator assembly for efficient replacement
  • Engineered to meet OEM specifications for reliable performance
  • Durable construction to withstand regular use and environmental factors
  • Part number WPR4840LMB ensures correct identification and compatibility

Detailed Description of the Window Motor and Regulator Assembly

This WAI window motor and regulator assembly (part number WPR4840LMB) is designed to replace the factory unit in Acura RL vehicles. It integrates the motor and regulator components into a single assembly, simplifying the replacement process. The assembly operates the window glass smoothly, maintaining proper alignment and preventing binding or sticking. Built to meet original equipment standards, this part supports consistent window operation and helps maintain the vehicle’s electrical and mechanical integrity.

Common Issues Addressed by This Replacement Part

  • Power window failure or intermittent operation in Acura RL
  • Window glass stuck in the up or down position
  • Slow or uneven window movement
  • Grinding or unusual noises when operating the window
  • Complete window regulator or motor malfunction

Installation Notes and Tips for Acura RL Owners

When installing the WAI WPR4840LMB window motor and regulator assembly, ensure the vehicle’s battery is disconnected to prevent electrical shorts. Carefully remove the door panel and disconnect the existing motor and regulator components. Align the new assembly properly to avoid window misalignment. Test the window operation before reassembling the door panel to confirm correct installation.

Quality Assurance and Warranty Information

WAI manufactures this window motor and regulator assembly to meet strict quality standards, ensuring durability and reliable performance. While specific warranty details are not provided here, WAI products typically come with a limited warranty covering defects in materials and workmanship. Verify warranty terms with the supplier or manufacturer for complete information.

This part fits 7 vehicles. Search below:

YearMakeModelPositionNotes
2004AcuraRLRear LeftPower Window Regulator and Motor Assembly
2003AcuraRLRear LeftPower Window Regulator and Motor Assembly
2002AcuraRLRear LeftPower Window Regulator and Motor Assembly
2001AcuraRLRear LeftPower Window Regulator and Motor Assembly
2000AcuraRLRear LeftPower Window Regulator and Motor Assembly
1999AcuraRLRear LeftPower Window Regulator and Motor Assembly
1998AcuraRLRear LeftPower Window Regulator and Motor Assembly

* Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.