Dorman 940-040 Door Lock Actuator Motor - Front Left

Door Lock Actuator Overview

This Dorman door lock actuator motor is a specific-fit replacement for select vehicles and is engineered as a direct replacement for the stock unit. It is built for electric door lock operation and uses a square, female connector with an 8-terminal layout.

Key Features

• Direct replacement design for the original actuator assembly.
• Electric operation for powered door lock function.
• Metal and plastic construction for a balanced housing design.
• Square connector with female terminals for application-specific fitment.
• Mounting hardware is not included.

Detailed Description

Part number 940-040 is a Dorman door lock actuator motor made for specific vehicle applications where the original actuator has failed or no longer responds correctly. It is listed for the front left latch and actuator assembly on 2021 Acura TLX and 2018-2021 Honda Accord models. The actuator uses a 38 mm arm length, black body, white connector, and three mounting holes, with no wiring harness included. Part number 940-040 is also cross-referenced to Standard Ignition DLA1471 for the same application.

Common Replacement Issues

• Door lock does not respond to the switch or key fob.
• Intermittent locking or unlocking operation.
• Broken actuator gears or worn internal motor components.
• Latch and actuator assembly failure that prevents normal door security.

Installation Notes

Verify the vehicle year, make, model, and latch-and-actuator configuration before installation. Confirm connector shape, terminal count, and actuator arm length against the original part. No mounting hardware or wiring harness is included, so reuse or source any required related components separately as needed.

Quality Assurance

Dorman states this actuator has undergone extensive quality and safety testing to support reliable performance. It is engineered as a direct replacement for the stock actuator on specific vehicle years, makes, and models.