WAI WPR4818LM Window Motor and Regulator Assembly - Front Left

Front Left Window Motor and Regulator Assembly

The WAI WPR4818LM is a front left power window regulator and motor assembly for select Hyundai and Kia applications. It is built for direct replacement service on vehicles with a front left power window system, including the Hyundai Sonata, Kia Optima, and Kia Magentis.

Key Features

• Window motor and regulator assembly for the front left door
• Direct-fit replacement for select Hyundai Sonata, Kia Optima, and Kia Magentis models
• Supports power window operation on the driver-side front door
• OE-style service part for electrical, lighting, and body repair work
• Part number WPR4818LM for accurate ordering and fitment verification

Detailed Description

WAI WPR4818LM is a front left window motor and regulator assembly designed for vehicles with power windows in the front left position. It fits 1999-2005 Hyundai Sonata, 2002-2006 Kia Optima, and 2005-2006 Kia Magentis. Use this assembly when replacing a worn or failed regulator and motor on the front left door of a Hyundai Sonata, Kia Optima, or Kia Magentis. The WPR4818LM part number helps confirm the correct application before installation.

What It Helps Fix

• Window glass that will not move up or down
• Slow or inconsistent front left window operation
• Grinding, binding, or slipping during window movement
• Failure of the power window motor or regulator mechanism
• Intermittent operation at the driver-side front door

Installation Notes and Tips

Verify the vehicle year, make, model, and front left position before ordering. Compare the original unit, connector style, and mounting points to confirm fitment on the Hyundai Sonata, Kia Optima, or Kia Magentis. Professional installation is recommended for proper alignment and electrical connection checks. Part number WPR4818LM should be matched to the existing application during service.

Quality Assurance

WAI supplies electrical and body components for replacement service, and this assembly is cataloged for the listed front left applications. This part cross-references Monroe Shocks & Struts (e.g., 172286, 182286) for the same application.