Dorman 931-478 Door Lock Actuator Motor - Rear Left

Reliable Door Lock Actuator Motor for Lexus and Toyota Vehicles

The Dorman 931-478 door lock actuator motor is designed specifically for select Lexus and Toyota models, including the Land Cruiser, LX570, RX350, and RX450h. This replacement part ensures precise locking and unlocking functionality for your vehicle's doors.

• Constructed with durable metal and plastic materials for long-lasting performance
• Features a female blade terminal connector for secure electrical connections
• Designed as a specific fit for Lexus Land Cruiser, LX570, RX350, and RX450h models
• Includes one integrated latch actuator for streamlined installation
• Mounting hardware not included, allowing use of existing components

Product Details and Specifications

The Dorman 931-478 door lock actuator motor combines metal and plastic components to provide a balance of strength and lightweight design. Its female blade terminal type ensures compatibility with the vehicle’s wiring harness, facilitating reliable electrical connectivity. This actuator motor is engineered as a specific fit part, tailored to the locking systems of Lexus Land Cruiser, LX570, RX350, and RX450h models, ensuring proper alignment and operation. The package contains one integrated latch actuator, streamlining the replacement process without unnecessary extras.

Common Applications and Problem Resolution

• Restores door locking functionality when the actuator motor fails or becomes unresponsive
• Eliminates issues with doors not locking or unlocking electronically
• Resolves intermittent locking problems caused by worn or damaged actuator components
• Addresses noise or grinding sounds originating from a faulty door lock motor
• Improves security by ensuring reliable door lock operation on Lexus and Toyota vehicles

Installation Notes and Tips

Installation of the Dorman 931-478 door lock actuator motor requires removal of the interior door panel to access the existing actuator. Since mounting hardware is not included, retain the original screws and clips for reassembly. Ensure the female blade terminal connector is securely attached to the vehicle’s wiring harness to prevent electrical issues. Testing the actuator motor before reassembling the door panel is recommended to confirm proper operation.

Quality Assurance and Warranty Information

Dorman manufactures the 931-478 door lock actuator motor to meet or exceed OEM standards for fit, form, and function. The combination of metal and plastic materials is selected to provide durability and reliable performance over time. While specific warranty details may vary, Dorman typically offers a limited warranty covering defects in material and workmanship to provide confidence in the product’s quality.