Standard Ignition DLA1158 Door Lock Actuator - Front Left

Reliable Door Lock Actuator for Chevrolet and GMC Trucks

The Standard Ignition DLA1158 door lock actuator is designed to restore proper locking function in select Chevrolet and GMC trucks. Engineered with a female rectangular connector and five male blade terminals, this actuator ensures a secure and precise electrical connection for consistent door lock operation.

• Compatible with Chevrolet Silverado 1500, 2500, 2500 HD, 3500, and 3500 HD models
• Fits GMC Sierra 1500, 2500 HD, and 3500 HD trucks
• Female rectangular connector with one connector quantity
• Five male blade terminals for reliable electrical contact
• Designed without latch for direct actuator replacement

Technical Details and Features

The DLA1158 door lock actuator from Standard Ignition features a female connector with a rectangular shape, providing a secure fit with the vehicle’s wiring harness. It includes one connector and five male blade terminals, which are standard for the electrical interface in compatible Chevrolet Silverado and GMC Sierra models. This actuator is designed without an integrated latch, making it suitable for direct replacement of the door lock actuator component only. The blade-type terminals ensure a stable and corrosion-resistant connection, critical for long-term durability in automotive environments.

Compatible Vehicles and Applications

This door lock actuator is specifically compatible with a range of Chevrolet and GMC trucks, including Silverado 1500, 2500, 2500 HD, 3500, and 3500 HD, as well as Sierra 1500, 2500 HD, and 3500 HD models. The part number DLA1158 corresponds to these fitments, ensuring proper integration with the vehicle’s door locking system.

• Restores power door lock functionality
• Resolves issues with unresponsive or intermittent door locks
• Eliminates door lock noise or failure to lock/unlock
• Addresses electrical connection problems related to worn terminals
• Replaces faulty actuators without latch assembly

Installation Notes and Tips

When installing the Standard Ignition DLA1158 door lock actuator, ensure the vehicle’s battery is disconnected to prevent electrical shorts. Verify the connector orientation matches the female rectangular shape and confirm the five blade terminals align correctly with the vehicle wiring harness. Since this actuator does not include a latch, retain the existing latch assembly during replacement. Test the door lock operation before reassembling the door panel to confirm proper installation.

Quality Assurance and Warranty

Standard Ignition manufactures the DLA1158 door lock actuator to meet or exceed OEM specifications for fit, form, and function. The part undergoes rigorous quality control to ensure reliable performance in Chevrolet Silverado and GMC Sierra trucks. Warranty coverage details are provided by Standard Ignition and typically include protection against defects in materials and workmanship for a specified period.