Dorman 741-389 Power Window Motor and Regulator Assembly - Rear Right

Dorman 741-389 Rear Right Window Motor Assembly

This Dorman power window motor and regulator assembly is built for the rear right door on select Chevrolet Silverado and GMC Sierra trucks. It is precision-engineered and tested to match the stock regulator’s fit, function, and performance on the listed applications.

• Direct replacement window motor and regulator assembly
• Fits rear right door applications on select Chevrolet and GMC full-size trucks
• Plastic gear material
• Bolt-on attachment type
• Regulator included for a complete assembly replacement
• Designed for stock-style fitment on the specified vehicle years and models

Vehicle Fitment

• Fits 2010-2013 Chevrolet Cheyenne, rear right.
• Fits 2007-2013 Chevrolet Silverado 1500, rear right.
• Fits 2011-2013 Chevrolet Silverado 2500, rear right.
• Fits 2007-2013 Chevrolet Silverado 2500 HD, rear right.
• Fits 2007-2013 Chevrolet Silverado 3500 HD, rear right.
• Fits 2007-2013 GMC Sierra 1500, rear right.
• Fits 2007-2013 GMC Sierra 2500 HD, rear right.
• Fits 2007-2013 GMC Sierra 3500 HD, rear right.

Detailed Description

Dorman 741-389 is a replacement window motor and regulator assembly for the rear right position on select Chevrolet Silverado and GMC Sierra trucks, including Silverado 1500, Silverado 2500 HD, Silverado 3500 HD, Sierra 1500, Sierra 2500 HD, and Sierra 3500 HD applications. The assembly is engineered to match the original part’s fit and operating characteristics, making it a practical choice when restoring rear window movement on these trucks. This part cross-references ACI 82257 for the same application.

The assembly uses a plastic gear and bolt attachment design, and the regulator is included. It is intended for vehicles where the rear right window regulator and motor assembly has worn out, become noisy, or stopped moving the glass properly. Part number 741-389 is also referenced by 821057cr, 15901327, and WLA6016.

Common Repair Symptoms

• Rear right window will not move up or down
• Window movement is slow, uneven, or intermittent
• Grinding or clicking noise from the door
• Window slips, binds, or falls out of alignment
• Failed motor or worn regulator components

Installation Notes and Tips

Mounting hardware is not included, and installation instructions are not included. Verify rear right door fitment by year, make, and model before installation. Inspect the window glass guides, switches, and wiring before replacing the assembly so the new regulator and motor can operate correctly. Confirm the bolt attachment points and door configuration match the original setup on your Chevrolet Silverado or GMC Sierra.

Quality Assurance

Dorman designs this replacement assembly to match stock fit, function, and performance, and the part is extensively tested before release. It is built as a direct replacement solution for the listed Chevrolet Silverado and GMC Sierra rear right applications.