WAI WPR0588RMB Window Motor and Regulator Assembly - Rear Right

Rear Right Window Motor and Regulator Assembly

The WAI WPR0588RMB is a rear right power window regulator and motor assembly for select Pontiac Grand Am and Oldsmobile Alero models. It is built for direct replacement of the original rear passenger-side window drive unit, helping restore normal glass movement and operation.

• Fits 1999-2005 Pontiac Grand Am, rear right
• Fits 1999-2004 Oldsmobile Alero, rear right
• Power window regulator and motor assembly for the rear passenger side
• WAI part number WPR0588RMB for application matching
• Direct-fit replacement for vehicles with rear right power window service needs

Detailed Fitment and Function

WPR0588RMB is a window motor and regulator assembly designed for the rear right door on the Pontiac Grand Am and Oldsmobile Alero. This assembly combines the lifting mechanism and motor drive into one service part, making it a practical replacement when the original rear window system no longer raises or lowers the glass correctly. Use WPR0588RMB when servicing a 1999-2005 Pontiac Grand Am rear right window or a 1999-2004 Oldsmobile Alero rear right window.

Common Problems This Part Can Address

• Rear window glass moves slowly or stops during operation
• Window will not raise or lower from the rear right switch
• Grinding, binding, or uneven window travel
• Motor runs but the glass does not move properly
• Failed regulator components in the rear passenger door

Installation Notes and Tips

Confirm rear right door fitment before ordering and compare the original unit to WPR0588RMB for connector, mounting, and regulator layout. Inspect the window tracks, guides, and switch operation during installation so the replacement assembly can operate smoothly after service.

Quality Assurance

WAI manufactures electrical and window drive components for automotive repair applications. Part number WPR0588RMB is identified for the listed Pontiac Grand Am and Oldsmobile Alero rear right applications to support accurate replacement selection.