WAI WPR5777LMB Window Motor and Regulator Assembly - Rear Left

Rear Left Window Motor and Regulator Assembly

The WAI WPR5777LMB is a rear left power window regulator and motor assembly for select Kia compact sedans. It is built for direct replacement service on the rear left door and supports smooth window movement in compatible Kia Spectra and Kia Sephia applications.

Key Features

• Window motor and regulator assembly for the rear left position
• Direct-fit replacement for select Kia Spectra and Kia Sephia models
• Designed for power window operation
• OE-style service part for electrical window repair
• Part number WPR5777LMB for accurate ordering and lookup

Fitment Details

Compatible with Fits 2000-2004 Kia Spectra, rear left, and Fits 2000-2001 Kia Sephia, rear left. This fitment covers the rear left power window regulator and motor assembly application for these vehicles. The WPR5777LMB is a practical match when replacing a failed rear door window drive unit on a Kia Spectra or Kia Sephia.

Common Repair Uses

• Window glass that will not raise or lower from the rear left door switch
• Grinding, slow, or uneven window movement
• Motor operation without proper window travel
• Regulator wear, binding, or cable failure
• Electrical window function loss at the rear left door

Installation Notes

Verify the rear left door application before installation and compare the original unit to WPR5777LMB for connector, mounting, and regulator layout. Inspect the window tracks, guides, and switch operation during replacement to confirm the repair addresses the full cause of the failure.

Quality Assurance

WAI supplies electrical replacement components for automotive repair, and this assembly is cataloged for the specified Kia applications under part number WPR5777LMB. This part cross-references Monroe Shocks & Struts (e.g., 172286, 182286) for the same application.