Dorman 931-318 Door Lock Actuator Motor - Front Left

Reliable Door Lock Actuator Motor for Select GM Vehicles

The Dorman 931-318 door lock actuator motor is designed specifically for a range of Cadillac, Chevrolet, and GMC models. Engineered with durable metal and plastic components, this actuator motor ensures consistent door locking and unlocking performance for your vehicle.

• Constructed with a combination of metal and plastic materials for durability
• Features a female blade terminal connector for secure electrical connection
• Includes one integrated latch actuator for direct replacement
• Designed for specific fitment on select Cadillac, Chevrolet, and GMC models
• Mounting hardware not included, allowing use of existing vehicle fasteners

Durable Materials and Precise Fitment

The Dorman 931-318 door lock actuator motor combines metal and plastic materials to provide a balance of strength and lightweight design. The metal components offer structural integrity, while the plastic parts help reduce weight and resist corrosion. This actuator motor is engineered with a female blade terminal connector, ensuring a reliable electrical connection with your vehicle's wiring harness. It is a direct fit replacement designed specifically for models such as the Chevrolet Silverado 1500, GMC Sierra 2500 HD, Cadillac Escalade, and others within these brands.

Compatible Vehicles and Applications

This door lock actuator motor is compatible with a variety of GM trucks and SUVs, including:

• Cadillac Escalade, Escalade ESV, and Escalade EXT
• Chevrolet Avalanche 1500 and 2500
• Chevrolet Silverado 1500, 2500, and 3500 series (including Classic and HD variants)
• GMC Sierra 1500, 2500, and 3500 series (including Classic and HD variants)
• Chevrolet Suburban 1500 and 2500, Tahoe
• GMC Yukon, Yukon XL 1500, and Yukon XL 2500

Common Issues Addressed by This Actuator Motor

• Intermittent or non-functioning door lock operation
• Failure to lock or unlock doors using power lock controls
• Unusual noises or grinding sounds from the door lock mechanism
• Inconsistent locking behavior on driver or passenger doors
• Electrical connection issues due to worn or damaged terminals

Installation Notes and Tips

Installation of the Dorman 931-318 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 fasteners for reinstallation. Ensure the female blade terminal connector is securely attached to the vehicle wiring harness to prevent electrical issues. Testing the actuator function before reassembling the door panel is recommended to confirm proper operation.

Quality Assurance and Warranty

Dorman parts are manufactured to meet or exceed OEM specifications for fit, form, and function. The 931-318 door lock actuator motor undergoes quality control testing to ensure reliable performance. While specific warranty details may vary, Dorman typically offers a limited warranty covering defects in material and workmanship. Refer to the product packaging or Dorman’s official documentation for exact warranty terms.