Dorman 741-390 Power Window Motor and Regulator Assembly - Rear Left

Dorman 741-390 Rear Left Window Motor Assembly

Dorman 741-390 is a replacement power window motor and regulator assembly for the rear left door on select Cadillac Escalade, Chevrolet Tahoe, and GMC Yukon models. It is engineered to match stock fit, function, and performance for the listed applications, making it a direct repair option for a failing rear window system.

Key Features

• Replacement power window motor and regulator assembly
• Precision-engineered for the original window regulator application
• Plastic gear material
• Bolt-on attachment type
• Regulator included
• Package contents: 1 regulator and motor assembly
• Part number: 741-390

Detailed Description

This Dorman window motor and regulator assembly is built for rear left window service on 2007-2014 Cadillac Escalade, rear left; 2007-2014 Chevrolet Tahoe, rear left; and 2007-2014 GMC Yukon, rear left. It is designed as a stock-style replacement for vehicles that need restoration of rear window movement after motor wear, regulator damage, or binding in the lift mechanism. The bolt attachment type supports a straightforward OE-style installation path, and the included regulator helps restore the complete window lifting assembly. This part cross-references ACI 384155 for the same application. Part number 741-390 is a practical choice when searching for a rear left window regulator and motor assembly for Cadillac Escalade, Chevrolet Tahoe, or GMC Yukon models.

Common Repair Uses

• Rear window no longer moves up or down
• Window movement is slow, uneven, or stops partway
• Motor runs but the glass does not respond
• Regulator mechanism is worn, damaged, or binding
• Noise from the rear left window lift assembly

Installation Notes and Tips

Verify vehicle year, make, model, and rear left position before installation. This assembly uses bolt attachment points and does not include mounting hardware or installation instructions. Inspect the window glass, guides, and electrical connector condition during repair to avoid repeat failure. Confirm the regulator tracks and mounting surfaces are clean and aligned before securing the assembly.

Quality Assurance

Dorman states this replacement assembly is extensively tested and engineered to match the fit, function, and performance of the original window regulator on the specified vehicles. The design is intended to follow the stock application for dependable service on the listed Cadillac Escalade, Chevrolet Tahoe, and GMC Yukon rear left window positions.