Dorman 741-378 Power Window Motor and Regulator Assembly - Rear Left

Dorman 741-378 Rear Left Window Motor and Regulator

This Dorman power window motor and regulator assembly is built for the rear left door on select Oldsmobile Aurora models. It is engineered and tested to match the stock regulator’s fit, function, and operating performance for a direct replacement on the specified application.

Key Features

• Replacement power window motor and regulator assembly for the rear left position
• Precision-engineered for OE-style fit and function
• Extensively tested for performance on the listed vehicle application
• Plastic gear material
• Bolt-on attachment type
• Regulator included for a complete assembly replacement
• Part number 741-378 for easy identification

Detailed Description

Use this Dorman 741-378 assembly when servicing the rear left power window system on 2001-2003 Oldsmobile Aurora models. The unit combines the motor and regulator into one replacement assembly, helping restore smooth glass movement when the original mechanism is worn, noisy, or no longer operating correctly. This part cross-references ACI 82185 for the same application.

Compatible With 2001-2003 Oldsmobile Aurora, rear left. The Dorman 741-378 is designed as a direct-fit replacement for the factory window regulator assembly on these vehicles, making it a practical choice for restoring normal window operation without changing the original door configuration.

What It Is Used For

• Repairing a rear left window that will not raise or lower
• Replacing a regulator with stripped or worn internal components
• Addressing slow, uneven, or binding window movement
• Restoring motor-driven window operation after electrical or mechanical failure
• Replacing a noisy or damaged window lift assembly

Installation Notes and Tips

Mounting hardware is not included, and installation instructions are not included. Verify the rear left door application, connector style, and regulator layout before installation. Transfer any required door components from the original assembly as needed, and confirm smooth glass travel after the unit is installed.

Quality Assurance

Dorman manufactures this replacement assembly to match the stock regulator’s fit, function, and performance on the listed Oldsmobile Aurora applications. The part is extensively tested during development to support consistent operation in the intended vehicle fitment.