WAI WPR4912LMB Window Motor and Regulator Assembly - Rear Left

Rear Left Window Motor and Regulator Assembly

WAI WPR4912LMB is a rear left power window regulator and motor assembly for the 2001-2006 Acura MDX. It is built for direct replacement service on the rear left door and supports smooth window movement when the original unit is worn or no longer operating correctly.

• Fits 2001-2006 Acura MDX, rear left
• Power window regulator and motor assembly
• OE-style replacement for the rear left window mechanism
• Part number: WPR4912LMB

Detailed Fitment and Application

This WAI window motor and regulator assembly is listed for the rear left position on the Acura MDX across the 2001, 2002, 2003, 2004, 2005, and 2006 model years. Use WPR4912LMB when replacing a failed rear left power window regulator and motor assembly on the Acura MDX to restore normal window travel and motor operation.

Common Problems This Part Can Address

• Rear left window will not move up or down
• Slow, uneven, or noisy window operation
• Window drops inside the door or loses support
• Motor runs but the glass does not respond
• Regulator mechanism is bent, worn, or binding

Installation Notes and Tips

Confirm the rear left door application before installation and compare the connector, mounting points, and regulator layout to the original unit. Transfer any reusable door components as needed and verify smooth glass travel after installation. For search reference, this part number is WPR4912LMB.

Quality Assurance

WAI supplies electrical and window control components for replacement service, and this assembly is cataloged for the specified Acura MDX fitment. This part cross-references Monroe Shocks & Struts (e.g., 172286, 182286) for the same application.