WAI WPR0621LM Window Motor and Regulator Assembly - Front Left

Buick LaCrosse Front Left Window Motor Assembly

The WAI WPR0621LM is a window motor and regulator assembly for the front left door on select Buick LaCrosse models. It is a direct-fit electrical window service part for restoring power window operation on the driver-side front door.

Key Features

• Window motor and regulator assembly for the front left position
• Fits 2005-2009 Buick LaCrosse, front left
• OE-style replacement for power window service on the front door
• WAI part number WPR0621LM for application matching
• Built for vehicles with power window regulator and motor assembly requirements

Detailed Description

WAI WPR0621LM is specified for 2005-2009 Buick LaCrosse front left applications and is used where the original power window regulator and motor assembly has failed or no longer operates correctly. This part number, WPR0621LM, is a focused fitment solution for the Buick LaCrosse front left door and should be matched to the vehicle’s existing window system before installation.

This part cross-references Monroe Shocks & Struts (e.g., 172286, 182286) for the same application.

Common Repair Symptoms

• Front left window will not move up or down
• Window moves slowly or stops partway
• Motor runs but the glass does not respond correctly
• Regulator binding, slipping, or inconsistent operation
• Intermittent power window function at the driver-side front door

Installation Notes and Tips

Verify the vehicle is a 2005-2009 Buick LaCrosse with a front left power window regulator and motor assembly before ordering. Compare the original unit, connector style, and mounting points to confirm application match for WPR0621LM. After installation, test full window travel and switch operation before reassembling the door trim.

Quality Assurance

WAI is the listed brand for this replacement window motor and regulator assembly. Confirm fitment against the vehicle’s year, make, model, and front left position to ensure proper application.