HomeBody > DoorsStandard Ignition DLA-638 Door Lock Actuator - Front Right
Part #: DLA-638

Standard Ignition DLA-638 Door Lock Actuator - Front Right

Front Right
⚙️ 78 vehicles fit this part
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OE Direct Replacement — Bolt-on fit, no modifications needed
🚗Fitment: Cadillac, Chevrolet, GMC, Buick, and Pontiac, Escalade, Avalanche, Silverado 1500, Silverado 1500 Classic, Silverado 2500 HD, Silverado 2500 HD Classic, Silverado 3500 HD, Sierra 1500, Sierra 1500 Classic, Sierra 1500 HD Classic, Sierra 2500 HD, Sierra 2500 HD Classic, Sierra 3500 Classic, Avalanche 1500, Avalanche 2500, Silverado 3500, Tahoe, Sierra 1500 HD, Sierra 3500, LeSabre, Escalade ESV, Escalade EXT, Bonneville, Silverado 2500, and Sierra 2500
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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.

BrandStandard Ignition
Part NumberDLA-638
ColorBlack
Connector GenderFemale; Female
Connector ShapeOval
FinishAll standard
Terminal GenderMale
Terminal TypeBlade

This part fits 78 vehicles. Search below:

YearMakeModelPositionNotes
2007CadillacEscaladeFront Rightw/o Remote Engine Start
2007ChevroletAvalancheFront Rightw/o Remote Engine Start
2007ChevroletSilverado 1500Front Rightw/o Remote Engine Start
2007ChevroletSilverado 1500 ClassicFront Rightw/ Keyless Entry
2007ChevroletSilverado 2500 HDFront Right
2007ChevroletSilverado 2500 HD ClassicFront Rightw/ Keyless Entry
2007ChevroletSilverado 3500 HDFront Right
2007GMCSierra 1500Front Rightw/o Remote Engine Start
2007GMCSierra 1500 ClassicFront Rightw/ Keyless Entry
2007GMCSierra 1500 HD ClassicFront Rightw/o Remote Engine Start
2007GMCSierra 2500 HDFront Rightw/o Remote Engine Start
2007GMCSierra 2500 HD ClassicFront Rightw/ Keyless Entry
2007GMCSierra 3500 ClassicFront Rightw/o Remote Engine Start
2006CadillacEscaladeFront Rightw/ Latch Assembly
2006CadillacEscalade ESVFront Rightw/ Latch Assembly
2006CadillacEscalade EXTFront Rightw/ Latch Assembly
2006ChevroletAvalanche 1500Front Rightw/ Latch Assembly
2006ChevroletAvalanche 2500Front Rightw/ Latch Assembly
2006ChevroletSilverado 1500Front Rightw/ Keyless Entry
2006ChevroletSilverado 2500 HDFront Right
2006ChevroletSilverado 3500Front Right
2006ChevroletTahoeFront Rightw/ Remote Entry Lock Control
2006GMCSierra 1500Front Right
2006GMCSierra 1500 HDFront Rightw/ Latch Assembly
2006GMCSierra 2500 HDFront Rightw/ Latch Assembly
2006GMCSierra 3500Front Rightw/ Latch Assembly
2005BuickLeSabreFront Rightw/ Latch Assembly
2005CadillacEscaladeFront Rightw/ Latch Assembly
2005CadillacEscalade ESVFront Rightw/ Latch Assembly
2005CadillacEscalade EXTFront Rightw/ Latch Assembly
2005ChevroletAvalanche 1500Front Rightw/ Latch Assembly
2005ChevroletAvalanche 2500Front Rightw/ Latch Assembly
2005ChevroletSilverado 1500Front Rightw/ Keyless Entry
2005ChevroletSilverado 2500 HDFront Right
2005ChevroletSilverado 3500Front Right
2005ChevroletTahoeFront Rightw/ Remote Entry Lock Control
2005GMCSierra 1500Front Right
2005GMCSierra 1500 HDFront Rightw/ Latch Assembly
2005GMCSierra 2500 HDFront Rightw/ Latch Assembly
2005GMCSierra 3500Front Rightw/ Latch Assembly
2005PontiacBonnevilleFront Right
2004BuickLeSabreFront Rightw/ Latch Assembly
2004CadillacEscaladeFront Rightw/ Latch Assembly
2004CadillacEscalade ESVFront Rightw/ Latch Assembly
2004CadillacEscalade EXTFront Rightw/ Latch Assembly
2004ChevroletAvalanche 1500Front Rightw/ Latch Assembly
2004ChevroletAvalanche 2500Front Rightw/ Latch Assembly
2004ChevroletSilverado 1500Front Rightw/ Keyless Entry
2004ChevroletSilverado 2500Front Right
2004ChevroletSilverado 2500 HDFront Right
2004ChevroletSilverado 3500Front Right
2004ChevroletTahoeFront Rightw/ Remote Entry Lock Control
2004GMCSierra 1500Front Right
2004GMCSierra 2500Front Rightw/ Latch Assembly
2004GMCSierra 2500 HDFront Rightw/ Latch Assembly
2004GMCSierra 3500Front Rightw/ Latch Assembly
2004PontiacBonnevilleFront Right
2003BuickLeSabreFront Rightw/ Latch Assembly
2003CadillacEscaladeFront Rightw/ Latch Assembly
2003CadillacEscalade ESVFront Rightw/ Latch Assembly
2003CadillacEscalade EXTFront Rightw/ Latch Assembly
2003ChevroletAvalanche 2500Front Rightw/ Latch Assembly
2003ChevroletSilverado 1500Front Rightw/ Keyless Entry
2003GMCSierra 1500Front Right
2003GMCSierra 1500 HDFront Rightw/ Latch Assembly
2003GMCSierra 2500Front Rightw/ Latch Assembly
2003GMCSierra 2500 HDFront Rightw/ Latch Assembly
2003GMCSierra 3500Front Rightw/ Latch Assembly
2003PontiacBonnevilleFront Rightw/ Latch Assembly
2002BuickLeSabreFront Rightw/ Latch Assembly
2002CadillacEscaladeFront Rightw/ Latch Assembly
2002CadillacEscalade EXTFront Rightw/ Latch Assembly
2002ChevroletAvalanche 2500Front Rightw/ Latch Assembly
2002PontiacBonnevilleFront Right
2001BuickLeSabreFront Rightw/ Latch Assembly
2001PontiacBonnevilleFront Right
2000BuickLeSabreFront Rightw/ Latch Assembly
2000PontiacBonnevilleFront Rightw/ 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:

15110645DLA1361DLA670DLA861

Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.