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Standard Ignition DLA-638 Door Lock Actuator - Front Right
Reliable Door Lock Actuator for GM Trucks and SUVs
The Standard Ignition DLA-638 door lock actuator is designed to restore proper locking function in select Buick, Cadillac, Chevrolet, GMC, and Pontiac vehicles. Engineered with durable black housing and precise connector specifications, this actuator ensures consistent performance for your vehicle's door locking system.
- Color: Black finish for standard durability
- Connector Gender: Female; female for secure electrical connections
- Connector Quantity: 2 connectors with oval shape
- Terminal Gender: Male terminals for reliable contact
- Terminal Quantity: 4 and 2 blade terminals for compatibility
- Terminal Type: Blade terminals designed for GM vehicle wiring
Detailed Product Description
The Standard Ignition DLA-638 door lock actuator is a direct replacement part engineered to meet OEM specifications. Its black finish and all standard coating provide resistance against wear and environmental factors. The actuator features two oval-shaped female connectors and multiple male blade terminals, ensuring a secure and precise fit within the door lock system. This part is compatible with a range of GM vehicles, including Chevrolet Silverado 1500, 2500, and 3500 series, GMC Sierra models, Cadillac Escalade variants, Buick LeSabre, Pontiac Bonneville, and Chevrolet Tahoe and Avalanche models.
Compatible Vehicles and Common Applications
- Chevrolet Avalanche 1500, 2500
- Chevrolet Silverado 1500, 2500, 3500 (including Classic and HD versions)
- GMC Sierra 1500, 2500, 3500 (including Classic and HD versions)
- Cadillac Escalade, Escalade ESV, Escalade EXT
- Buick LeSabre
- Pontiac Bonneville
- Chevrolet Tahoe
Common Issues Resolved by This Door Lock Actuator
- Intermittent or non-functioning door locks
- Unresponsive power door lock switches
- Door lock motor noise or failure
- Doors failing to lock or unlock remotely
- Electrical connection problems within the door locking system
Installation Notes and Tips
- Ensure vehicle battery is disconnected before installation to prevent electrical shorts
- Verify connector orientation matches the oval female connectors on the actuator
- Check for any damaged wiring or terminals before connecting the new actuator
- Test door lock operation after installation to confirm proper function
- Consult vehicle-specific repair manuals for door panel removal procedures
Quality Assurance and Warranty Information
Standard Ignition parts are manufactured to meet or exceed OEM standards, providing reliable performance and fitment. The DLA-638 door lock actuator undergoes rigorous quality control to ensure durability and consistent operation. This part is backed by Standard Ignition's limited warranty, covering defects in material and workmanship under normal use conditions.
| Brand | Standard Ignition |
| Part Number | DLA-638 |
| Color | Black |
| Connector Gender | Female; Female |
| Connector Shape | Oval |
| Finish | All standard |
| Terminal Gender | Male |
| Terminal Type | Blade |
This part fits 78 vehicles. Search below:
| Year | Make | Model | Position | Notes |
|---|---|---|---|---|
| 2007 | Cadillac | Escalade | Front Right | w/o Remote Engine Start |
| 2007 | Chevrolet | Avalanche | Front Right | w/o Remote Engine Start |
| 2007 | Chevrolet | Silverado 1500 | Front Right | w/o Remote Engine Start |
| 2007 | Chevrolet | Silverado 1500 Classic | Front Right | w/ Keyless Entry |
| 2007 | Chevrolet | Silverado 2500 HD | Front Right | |
| 2007 | Chevrolet | Silverado 2500 HD Classic | Front Right | w/ Keyless Entry |
| 2007 | Chevrolet | Silverado 3500 HD | Front Right | |
| 2007 | GMC | Sierra 1500 | Front Right | w/o Remote Engine Start |
| 2007 | GMC | Sierra 1500 Classic | Front Right | w/ Keyless Entry |
| 2007 | GMC | Sierra 1500 HD Classic | Front Right | w/o Remote Engine Start |
| 2007 | GMC | Sierra 2500 HD | Front Right | w/o Remote Engine Start |
| 2007 | GMC | Sierra 2500 HD Classic | Front Right | w/ Keyless Entry |
| 2007 | GMC | Sierra 3500 Classic | Front Right | w/o Remote Engine Start |
| 2006 | Cadillac | Escalade | Front Right | w/ Latch Assembly |
| 2006 | Cadillac | Escalade ESV | Front Right | w/ Latch Assembly |
| 2006 | Cadillac | Escalade EXT | Front Right | w/ Latch Assembly |
| 2006 | Chevrolet | Avalanche 1500 | Front Right | w/ Latch Assembly |
| 2006 | Chevrolet | Avalanche 2500 | Front Right | w/ Latch Assembly |
| 2006 | Chevrolet | Silverado 1500 | Front Right | w/ Keyless Entry |
| 2006 | Chevrolet | Silverado 2500 HD | Front Right | |
| 2006 | Chevrolet | Silverado 3500 | Front Right | |
| 2006 | Chevrolet | Tahoe | Front Right | w/ Remote Entry Lock Control |
| 2006 | GMC | Sierra 1500 | Front Right | |
| 2006 | GMC | Sierra 1500 HD | Front Right | w/ Latch Assembly |
| 2006 | GMC | Sierra 2500 HD | Front Right | w/ Latch Assembly |
| 2006 | GMC | Sierra 3500 | Front Right | w/ Latch Assembly |
| 2005 | Buick | LeSabre | Front Right | w/ Latch Assembly |
| 2005 | Cadillac | Escalade | Front Right | w/ Latch Assembly |
| 2005 | Cadillac | Escalade ESV | Front Right | w/ Latch Assembly |
| 2005 | Cadillac | Escalade EXT | Front Right | w/ Latch Assembly |
| 2005 | Chevrolet | Avalanche 1500 | Front Right | w/ Latch Assembly |
| 2005 | Chevrolet | Avalanche 2500 | Front Right | w/ Latch Assembly |
| 2005 | Chevrolet | Silverado 1500 | Front Right | w/ Keyless Entry |
| 2005 | Chevrolet | Silverado 2500 HD | Front Right | |
| 2005 | Chevrolet | Silverado 3500 | Front Right | |
| 2005 | Chevrolet | Tahoe | Front Right | w/ Remote Entry Lock Control |
| 2005 | GMC | Sierra 1500 | Front Right | |
| 2005 | GMC | Sierra 1500 HD | Front Right | w/ Latch Assembly |
| 2005 | GMC | Sierra 2500 HD | Front Right | w/ Latch Assembly |
| 2005 | GMC | Sierra 3500 | Front Right | w/ Latch Assembly |
| 2005 | Pontiac | Bonneville | Front Right | |
| 2004 | Buick | LeSabre | Front Right | w/ Latch Assembly |
| 2004 | Cadillac | Escalade | Front Right | w/ Latch Assembly |
| 2004 | Cadillac | Escalade ESV | Front Right | w/ Latch Assembly |
| 2004 | Cadillac | Escalade EXT | Front Right | w/ Latch Assembly |
| 2004 | Chevrolet | Avalanche 1500 | Front Right | w/ Latch Assembly |
| 2004 | Chevrolet | Avalanche 2500 | Front Right | w/ Latch Assembly |
| 2004 | Chevrolet | Silverado 1500 | Front Right | w/ Keyless Entry |
| 2004 | Chevrolet | Silverado 2500 | Front Right | |
| 2004 | Chevrolet | Silverado 2500 HD | Front Right | |
| 2004 | Chevrolet | Silverado 3500 | Front Right | |
| 2004 | Chevrolet | Tahoe | Front Right | w/ Remote Entry Lock Control |
| 2004 | GMC | Sierra 1500 | Front Right | |
| 2004 | GMC | Sierra 2500 | Front Right | w/ Latch Assembly |
| 2004 | GMC | Sierra 2500 HD | Front Right | w/ Latch Assembly |
| 2004 | GMC | Sierra 3500 | Front Right | w/ Latch Assembly |
| 2004 | Pontiac | Bonneville | Front Right | |
| 2003 | Buick | LeSabre | Front Right | w/ Latch Assembly |
| 2003 | Cadillac | Escalade | Front Right | w/ Latch Assembly |
| 2003 | Cadillac | Escalade ESV | Front Right | w/ Latch Assembly |
| 2003 | Cadillac | Escalade EXT | Front Right | w/ Latch Assembly |
| 2003 | Chevrolet | Avalanche 2500 | Front Right | w/ Latch Assembly |
| 2003 | Chevrolet | Silverado 1500 | Front Right | w/ Keyless Entry |
| 2003 | GMC | Sierra 1500 | Front Right | |
| 2003 | GMC | Sierra 1500 HD | Front Right | w/ Latch Assembly |
| 2003 | GMC | Sierra 2500 | Front Right | w/ Latch Assembly |
| 2003 | GMC | Sierra 2500 HD | Front Right | w/ Latch Assembly |
| 2003 | GMC | Sierra 3500 | Front Right | w/ Latch Assembly |
| 2003 | Pontiac | Bonneville | Front Right | w/ Latch Assembly |
| 2002 | Buick | LeSabre | Front Right | w/ Latch Assembly |
| 2002 | Cadillac | Escalade | Front Right | w/ Latch Assembly |
| 2002 | Cadillac | Escalade EXT | Front Right | w/ Latch Assembly |
| 2002 | Chevrolet | Avalanche 2500 | Front Right | w/ Latch Assembly |
| 2002 | Pontiac | Bonneville | Front Right | |
| 2001 | Buick | LeSabre | Front Right | w/ Latch Assembly |
| 2001 | Pontiac | Bonneville | Front Right | |
| 2000 | Buick | LeSabre | Front Right | w/ Latch Assembly |
| 2000 | Pontiac | Bonneville | Front Right | w/ Latch Assembly |
* 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.