Standard Ignition DLA-639 Door Lock Actuator - Front Left

Reliable Door Lock Actuator for GM Trucks and SUVs

The Standard Ignition DLA-639 door lock actuator is designed to restore proper locking function in select Buick, Cadillac, Chevrolet, and GMC vehicles. Engineered with a black housing and integrated latch, this actuator ensures secure door operation for models like the Chevrolet Silverado 1500 and GMC Sierra 2500 HD.

• Color: Black housing for durability and corrosion resistance
• Connector Gender: Female connectors (3 total) for secure electrical connections
• Terminal Gender: Male blade terminals (4, 2, and 2 respectively) for reliable power transfer
• Includes integrated latch for complete door lock functionality
• Compatible with multiple GM full-size trucks and SUVs

Product Details and Specifications

The DLA-639 door lock actuator from Standard Ignition features three female connectors and multiple male blade terminals, designed to interface seamlessly with factory wiring harnesses. The actuator’s black color housing provides a durable finish that resists wear and environmental exposure. The included latch mechanism ensures the actuator performs both locking and unlatching functions, critical for proper door operation. This part is engineered specifically for use in a range of GM vehicles including the Chevrolet Avalanche 1500, Cadillac Escalade, and GMC Yukon XL 2500, among others.

Compatible Vehicles and Applications

This door lock actuator is compatible with the following makes and models:

• Buick LeSabre
• Cadillac Escalade, Escalade ESV, Escalade EXT
• Chevrolet Avalanche 1500, Avalanche 2500, C1500, Silverado 1500, Silverado 2500, Suburban 1500, Tahoe
• GMC Sierra 1500, Sierra 2500, Sierra 3500, Yukon, Yukon XL 1500, Yukon XL 2500

Common Issues Addressed by the DLA-639

• Intermittent or non-functioning door locks
• Doors failing to lock or unlock electronically
• Unusual noises or resistance when operating door locks
• Faulty latch mechanism causing door not to secure properly
• Electrical connection failures due to worn terminals or connectors

Installation Notes and Tips

When installing the Standard Ignition DLA-639 door lock actuator, ensure all electrical connectors are fully seated and terminals are clean to maintain proper conductivity. Verify the actuator’s latch aligns correctly with the door locking mechanism to avoid binding or incomplete locking. It is recommended to test door lock operation before reassembling door panels to confirm proper installation.

Quality Assurance and Warranty

Standard Ignition parts are manufactured to meet or exceed OEM specifications, providing reliable performance and durability. The DLA-639 door lock actuator undergoes rigorous quality control to ensure consistent operation. Please refer to Standard Ignition’s warranty policy for coverage details.