WAI WPR0664LM Window Motor and Regulator Assembly - Front Left

Front Left Window Motor and Regulator Assembly

The WAI WPR0664LM is a front left power window regulator and motor assembly for select Ford F-150 trucks. It is built for 2004-2008 Ford F-150 applications with the front left power window position, making it a direct-fit service part for the driver-side window system.

Use WPR0664LM when replacing a worn or non-functioning window regulator and motor assembly on your Ford F-150. This part number is also referenced as WPR0664LM for fitment-based searches and service lookup.

• Fits 2004-2008 Ford F-150, front left
• Power window regulator and motor assembly
• Direct replacement for the front left window mechanism
• Built for electric window operation in the driver-side door

Detailed Fitment and Function

This WAI window motor and regulator assembly is made for the front left door on 2004, 2005, 2006, 2007, and 2008 Ford F-150 models. It restores the mechanical and electrical function needed to raise and lower the window glass from the driver-side switch. If you are searching for a Ford F-150 front left window regulator and motor assembly, WPR0664LM is the part number to reference.

Common Problems It Can Address

• Window glass will not move up or down
• Slow, uneven, or noisy window operation
• Motor runs but the window does not respond
• Regulator wear that causes binding or slipping
• Driver-side window failure on a Ford F-150

Installation Notes and Tips

Verify the vehicle year, make, model, and front left position before installation. Compare the original regulator and motor assembly to confirm connector style, mounting points, and door application match your truck. For best results, inspect the window glass tracks and door components during replacement.

Quality Assurance

WAI manufactures electrical replacement parts for automotive service applications. WPR0664LM is identified for the listed Ford F-150 fitment and should be matched to the vehicle application before installation.