OE Quality
60-Day Returns

Dorman 931-316 Door Lock Actuator Motor - Front Left or Rear Left
Reliable Door Lock Actuator Motor for Buick and Chevrolet Vehicles
The Dorman 931-316 door lock actuator motor is designed specifically for select Buick and Chevrolet models, including the Lucerne and Silverado series. 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 blade-type terminal for secure electrical connections
- Includes one integrated latch actuator per package
- Designed for specific fitment on Buick Lucerne and Chevrolet Silverado 1500, 2500 HD, 3500, and their Classic variants
- Male connector gender for compatibility with factory wiring harnesses
- Mounting hardware not included, allowing use of existing components
Product Details and Specifications
The Dorman 931-316 door lock actuator motor combines metal and plastic components to provide a balance of strength and lightweight design. Its blade terminal type ensures a reliable electrical connection, minimizing the risk of intermittent operation. This actuator is engineered for specific fitment, compatible with Buick Lucerne and Chevrolet Silverado models including the 1500, 1500 Classic, 1500 HD, 1500 HD Classic, 2500 HD, 2500 HD Classic, 3500, and 3500 Classic. The male connector gender matches factory wiring harnesses, facilitating straightforward installation. Note that mounting hardware is not included, so existing fasteners should be reused during replacement.
Common Applications and Issues Addressed
- Restores door locking functionality when the actuator motor fails or becomes unresponsive
- Eliminates issues with doors not locking or unlocking remotely
- Resolves intermittent door lock operation caused by worn or damaged actuators
- Addresses electrical connection problems related to faulty actuator terminals
- Replaces broken or noisy door lock motors in Buick Lucerne and Chevrolet Silverado models
Installation Notes and Tips
- Verify vehicle compatibility with Buick Lucerne or Chevrolet Silverado 1500/2500/3500 series before installation
- Use existing mounting hardware to secure the actuator motor as new hardware is not included
- Disconnect the vehicle battery before beginning installation to prevent electrical shorts
- Ensure the male connector is properly seated in the factory wiring harness for reliable operation
- Test door lock function after installation to confirm proper actuator performance
Quality Assurance and Warranty Information
Dorman manufactures the 931-316 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 consistent operation. While mounting hardware is not included, the actuator is engineered for direct replacement on specified Buick and Chevrolet models. Warranty coverage details should be confirmed at the point of purchase, as they may vary by distributor.
| Brand | Dorman |
| Part Number | 931-316 |
| Connector Gender | Male |
| Material | Metal |
| Material | Plastic |
| Mounting Hardware Included | No |
| Package Contents | 1 Integrated Latch Actuator |
| Terminal Type | Blade |
| Universal Or Specific Fit | Specific |
This part fits 25 vehicles. Search below:
| Year | Make | Model | Submodel | Position | Notes |
|---|---|---|---|---|---|
| 2010 | Buick | Lucerne | Rear Left | ||
| 2009 | Buick | Lucerne | Rear Left | ||
| 2008 | Buick | Lucerne | Rear Left | ||
| 2007 | Buick | Lucerne | Rear Left | ||
| 2007 | Chevrolet | Silverado 1500 Classic | LT | Front Left | wo/Power Windows |
| 2007 | Chevrolet | Silverado 1500 Classic | WT | Front Left | wo/Power Windows |
| 2007 | Chevrolet | Silverado 1500 Classic | SS | Front Left | wo/Power Windows |
| 2007 | Chevrolet | Silverado 1500 Classic | Hybrid | Front Left | wo/Power Windows |
| 2007 | Chevrolet | Silverado 1500 Classic | LS | Front Left | wo/Power Windows |
| 2007 | Chevrolet | Silverado 1500 HD Classic | LT | Front Left | wo/Power Windows |
| 2007 | Chevrolet | Silverado 2500 HD Classic | LT | Front Left | wo/Power Windows |
| 2007 | Chevrolet | Silverado 2500 HD Classic | WT | Front Left | wo/Power Windows |
| 2007 | Chevrolet | Silverado 2500 HD Classic | LS | Front Left | wo/Power Windows |
| 2007 | Chevrolet | Silverado 3500 Classic | LT | Front Left | wo/Power Windows |
| 2007 | Chevrolet | Silverado 3500 Classic | WT | Front Left | wo/Power Windows |
| 2007 | Chevrolet | Silverado 3500 Classic | LS | Front Left | wo/Power Windows |
| 2006 | Buick | Lucerne | Rear Left | ||
| 2006 | Chevrolet | Silverado 1500 | Front Left | wo/Power Windows | |
| 2006 | Chevrolet | Silverado 1500 HD | Front Left | wo/Power Windows | |
| 2006 | Chevrolet | Silverado 2500 HD | Front Left | wo/Power Windows | |
| 2006 | Chevrolet | Silverado 3500 | Front Left | wo/Power Windows | |
| 2005 | Chevrolet | Silverado 1500 | Front Left | wo/Power Windows | |
| 2005 | Chevrolet | Silverado 1500 HD | Front Left | wo/Power Windows | |
| 2005 | Chevrolet | Silverado 2500 HD | Front Left | wo/Power Windows | |
| 2005 | Chevrolet | Silverado 3500 | Front Left | wo/Power Windows |
* Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
This part directly replaces or is cross-referenced with the following part numbers:
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.