Dorman 940-090 Liftgate Lock Actuator

Dorman Liftgate Lock Actuator for Toyota Sienna

This Dorman liftgate lock actuator is a direct replacement for the stock unit on select Toyota Sienna models. Built with metal and plastic construction and a 12-volt design, it is engineered for reliable liftgate locking performance on 2004-2010 Toyota Sienna vehicles without Power Closer.

Key Features

• Direct replacement liftgate lock actuator for select Toyota Sienna applications
• 12-volt electrical design with 4-wire, blade-terminal configuration
• Bolt-on mounting with 2 mounting holes for OE-style installation
• Black and silver body with grey connector
• Lockable design for liftgate latch operation
• Dorman part number 940-090 for catalog and cross-reference lookup

Detailed Description

Dorman 940-090 is a liftgate lock actuator engineered to replace the original actuator on specific Toyota Sienna model years. It uses a rectangular female connector, 4 terminals, and a 4-wire layout to match the factory-style electrical interface. The actuator body combines metal and plastic materials, and the bolt-on mounting method supports a straightforward replacement on the rear liftgate latch assembly. This part cross-references Standard Ignition DLA1378 for the same application.

For Toyota Sienna owners dealing with rear hatch locking concerns, Dorman 940-090 provides a direct-fit solution for 2004-2010 Toyota Sienna, wo/Power Closer. It is a practical replacement when the liftgate lock actuator no longer responds correctly to the vehicle’s locking system.

Common Issues This Part Can Address

• Liftgate will not lock or unlock consistently
• Rear hatch latch does not respond to central locking commands
• Intermittent actuator movement at the liftgate
• Faulty rear door lock operation on Toyota Sienna models without Power Closer
• Wear-related failure in the original liftgate lock actuator

Installation Notes and Tips

Verify vehicle fitment before installation: Fits 2004-2010 Toyota Sienna, N/A, wo/Power Closer. Confirm the connector style, mounting points, and 12-volt electrical system match the original part. Because mounting hardware is not listed as included, reuse or source the required fasteners as needed. Inspect the latch assembly, wiring, and connector condition during replacement to help ensure proper operation.

Quality Assurance

This Dorman liftgate lock actuator has undergone extensive quality and safety testing to support dependable performance. It is engineered as a direct replacement for the stock actuator on specific vehicle years, makes, and models, with OE-style fitment for the Toyota Sienna application.