Dorman 740-042 Window Regulator - Front Left

Dorman 740-042 Window Regulator for Toyota

Dorman 740-042 is a replacement electric window regulator built for specific Toyota applications with a front left power window and no vent window. It is precision-engineered and tested to match the fit, function, and performance of the original regulator on the listed vehicles.

Key Features

• Electric window regulator for front left door use
• Steel gear and steel housing for durable operation
• Metal and plastic frame construction
• Bolt-on attachment type for direct replacement installation
• Motor not included
• Designed for 1984-1989 Toyota 4Runner and 1984-1988 Toyota Pickup, front left

Detailed Description

This Dorman window regulator, part number 740-042, is made for Toyota 4Runner and Toyota Pickup models that use a power window setup on the front left door without a vent window. The regulator uses a steel gear and steel housing to support consistent window movement, while the electric design matches the original power window operation found in the listed applications. This part cross-references Dorman - HELP 81790 for the same application.

Compatible With 1984-1989 Toyota 4Runner, front left, power, wo/Vent Window. Compatible With 1984-1988 Toyota Pickup, front left, power, wo/Vent Window. The 740-042 is a direct-fit replacement for owners servicing a worn or failed Toyota 4Runner window regulator or Toyota Pickup power window regulator on the front left side.

Common Repair Uses

• Restores a window that will not raise or lower properly
• Addresses slow, uneven, or binding window movement
• Replaces a regulator with stripped gears or worn internal components
• Fixes a power window that drops out of alignment in the door
• Supports repair of a failed front left electric window mechanism

Installation Notes and Tips

Installation instructions are not included. Verify the vehicle year, make, model, and front left door configuration before ordering, especially the power window setup and the absence of a vent window. The regulator uses bolt-on attachment points and does not include the motor or mounting hardware, so reuse or source the required components as needed during installation.

Quality Assurance

Dorman designs this replacement regulator to match the original part’s fit and function for the specified Toyota applications. Part number 740-042 is engineered for direct replacement use in the listed 1984-1989 Toyota 4Runner and 1984-1988 Toyota Pickup front left power window applications.