WAI WPR4850LMB Window Motor and Regulator Assembly - Rear Left

Rear Left Window Motor and Regulator Assembly

The WAI WPR4850LMB is a rear left power window regulator and motor assembly for select Lincoln LS models. It is built for direct replacement service on the rear left door window system, helping restore normal glass movement when the original unit is worn or no longer operates correctly.

Key Features

• Power window regulator and motor assembly for the rear left position
• Direct-fit replacement for select Lincoln LS applications
• Supports smooth up-and-down window operation
• OE-style service part from WAI
• Part number: WPR4850LMB

Application Details

Compatible with 2000-2006 Lincoln LS, rear left. This WAI window motor and regulator assembly is a fitment-based replacement for the rear left power window system on the Lincoln LS, with coverage across the 2000, 2001, 2002, 2003, 2004, 2005, and 2006 model years. Part number WPR4850LMB is the reference to verify before ordering.

What It Helps Fix

• Window glass that will not raise or lower properly
• Slow, uneven, or intermittent rear window movement
• Noise from a worn regulator or motor assembly
• Window operation that stops partway through travel
• Failure of the rear left power window system

Installation Notes

Confirm rear left door fitment before installation and compare the connector, mounting points, and regulator layout to the original assembly. Transfer any vehicle-specific trim or door components as required by the application. After installation, test window travel and switch operation through a full open-and-close cycle.

Quality Assurance

WAI supplies electrical and window system replacement parts for service applications, and WPR4850LMB is cataloged for direct replacement use on the listed Lincoln LS vehicles.