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Dorman 645-626 Tail Light Socket - FrontOE Quality 60-Day Returns
Dorman 645-626 Tail Light Socket - Front - view 1
Dorman 645-626 Tail Light Socket - Front - view 2
Part #: 645-626

Dorman 645-626 Tail Light Socket - Front

Front
⚙️ 163 vehicles fit this part
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🚗Fitment: Chevrolet, GMC, and Cadillac, Silverado 1500, Silverado 1500 Classic, Silverado 1500 HD Classic, Silverado 2500 HD, Silverado 2500 HD Classic, Silverado 3500, Silverado 3500 Classic, Sierra 1500, Sierra 1500 Classic, Sierra 1500 HD Classic, Sierra 2500 HD, Sierra 2500 HD Classic, Sierra 3500 Classic, Escalade, Escalade ESV, Avalanche 1500, Avalanche 2500, Silverado 1500 HD, Suburban 1500, Suburban 2500, Tahoe, Sierra 1500 HD, Sierra 3500, Yukon, Yukon XL 1500, Yukon XL 2500, Silverado 2500, Sierra 2500, and Escalade EXT
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Overview of Dorman Tail Light Socket 645-626

The Dorman Tail Light Socket 645-626 is designed to provide reliable electrical connectivity for tail lights on select GM trucks and SUVs. This replacement socket features a 3-wire configuration with female plastic terminals, ensuring compatibility and durability for vehicles like Chevrolet Silverado and GMC Sierra models.

  • 3-wire tail light socket with female (hembra) plastic terminals
  • Overall length of 10 inches including wire (2 inches without wire)
  • Durable plastic terminal material for corrosion resistance
  • Includes lamp socket for direct replacement
  • Compatible with multiple Cadillac, Chevrolet, and GMC models

Detailed Product Description

The Dorman 645-626 tail light socket is engineered to meet the electrical connection needs of tail light assemblies on various GM vehicles. With a total length of 10 inches including the attached wire, this socket allows for straightforward installation and secure wiring. The female plastic terminals provide a stable connection point for tail light bulbs, reducing the risk of electrical faults caused by corrosion or loose contacts. This part is specifically designed for use in vehicles such as the Chevrolet Silverado 1500, GMC Sierra 2500 HD, and Cadillac Escalade, among others, ensuring proper fitment and function.

Compatible Vehicles and Applications

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

Common Issues Addressed by This Tail Light Socket

  • Intermittent or non-functioning tail lights due to faulty socket connections
  • Corroded or damaged terminals causing electrical shorts or open circuits
  • Loose or broken wiring connections within the tail light assembly
  • Replacement of worn or melted sockets to restore proper lighting function
  • Upgrading old sockets to ensure reliable electrical contact

Installation Notes and Tips

  • Disconnect the vehicle battery before installation to prevent electrical shock
  • Verify the socket matches the original part number 645-626 for proper fitment
  • Ensure the female plastic terminals are securely connected to the tail light bulb
  • Route the 10-inch wire carefully to avoid pinching or damage
  • Test the tail light operation after installation to confirm proper function

Quality Assurance and Warranty

Dorman parts are manufactured to meet or exceed OEM standards for fit, form, and function. The 645-626 tail light socket is made with durable plastic terminals designed to resist corrosion and wear. While specific warranty details may vary, Dorman typically offers a limited warranty covering defects in material and workmanship to provide confidence in product reliability.

This part fits 163 vehicles. Search below:

YearMakeModelBed TypePositionNotes
2007ChevroletSilverado 1500FrontCompare w/Original Socket; Terminal Gender: Female
2007ChevroletSilverado 1500 ClassicFrontCompare w/Original Socket; Terminal Gender: Female
2007ChevroletSilverado 1500 HD ClassicFrontCompare w/Original Socket; Terminal Gender: Female
2007ChevroletSilverado 2500 HDFrontCompare w/Original Socket; Terminal Gender: Female
2007ChevroletSilverado 2500 HD ClassicFrontCompare w/Original Socket; Terminal Gender: Female
2007ChevroletSilverado 3500FrontCompare w/Original Socket; Terminal Gender: Female
2007ChevroletSilverado 3500 ClassicFrontCompare w/Original Socket; Terminal Gender: Female
2007GMCSierra 1500Frontw/3 Wires; Terminal Gender: Female
2007GMCSierra 1500 ClassicFrontw/3 Wires; Terminal Gender: Female
2007GMCSierra 1500 HD ClassicFrontw/3 Wires; Terminal Gender: Female
2007GMCSierra 2500 HDFrontw/3 Wires; Terminal Gender: Female
2007GMCSierra 2500 HD ClassicFrontw/3 Wires; Terminal Gender: Female
2007GMCSierra 3500 ClassicFrontw/3 Wires; Terminal Gender: Female
2006CadillacEscaladeFrontCompare w/Original Socket; Terminal Gender: Female
2006CadillacEscalade ESVFrontCompare w/Original Socket; Terminal Gender: Female
2006ChevroletAvalanche 1500FrontCompare w/Original Socket; Terminal Gender: Female
2006ChevroletAvalanche 2500FrontCompare w/Original Socket; Terminal Gender: Female
2006ChevroletSilverado 1500FrontCompare w/Original Socket; Terminal Gender: Female
2006ChevroletSilverado 1500 HDFrontCompare w/Original Socket; Terminal Gender: Female
2006ChevroletSilverado 2500 HDFrontCompare w/Original Socket; Terminal Gender: Female
2006ChevroletSilverado 3500FrontCompare w/Original Socket; Terminal Gender: Female
2006ChevroletSuburban 1500FrontCompare w/Original Socket; Terminal Gender: Female
2006ChevroletSuburban 2500FrontCompare w/Original Socket; Terminal Gender: Female
2006ChevroletTahoeFrontCompare w/Original Socket; Terminal Gender: Female
2006ChevroletTahoeN/A
2006GMCSierra 1500Frontw/3 Wires; Terminal Gender: Female
2006GMCSierra 1500 HDFrontw/3 Wires; Terminal Gender: Female
2006GMCSierra 2500 HDFrontw/3 Wires; Terminal Gender: Female
2006GMCSierra 3500Frontw/3 Wires; Terminal Gender: Female
2006GMCYukonFrontw/3 Wires; Terminal Gender: Female
2006GMCYukonN/Aw/3 Wire Harness
2006GMCYukon XL 1500Frontw/3 Wires; Terminal Gender: Female
2006GMCYukon XL 1500N/Aw/3 Wire Harness
2006GMCYukon XL 2500Frontw/3 Wires; Terminal Gender: Female
2005CadillacEscaladeFrontCompare w/Original Socket; Terminal Gender: Female
2005CadillacEscalade ESVFrontCompare w/Original Socket; Terminal Gender: Female
2005ChevroletAvalanche 1500FrontCompare w/Original Socket; Terminal Gender: Female
2005ChevroletAvalanche 2500FrontCompare w/Original Socket; Terminal Gender: Female
2005ChevroletSilverado 1500FrontCompare w/Original Socket; Terminal Gender: Female
2005ChevroletSilverado 1500StepsideN/A
2005ChevroletSilverado 1500 HDFrontCompare w/Original Socket; Terminal Gender: Female
2005ChevroletSilverado 2500 HDFrontCompare w/Original Socket; Terminal Gender: Female
2005ChevroletSilverado 3500FrontCompare w/Original Socket; Terminal Gender: Female
2005ChevroletSuburban 1500FrontCompare w/Original Socket; Terminal Gender: Female
2005ChevroletSuburban 2500FrontCompare w/Original Socket; Terminal Gender: Female
2005ChevroletTahoeFrontCompare w/Original Socket; Terminal Gender: Female
2005ChevroletTahoeN/A
2005GMCSierra 1500Frontw/3 Wires; Terminal Gender: Female
2005GMCSierra 1500StepsideN/A
2005GMCSierra 1500 HDFrontw/3 Wires; Terminal Gender: Female
2005GMCSierra 2500 HDFrontw/3 Wires; Terminal Gender: Female
2005GMCSierra 3500Frontw/3 Wires; Terminal Gender: Female
2005GMCYukonFrontw/3 Wires; Terminal Gender: Female
2005GMCYukonN/Aw/3 Wire Harness
2005GMCYukon XL 1500Frontw/3 Wires; Terminal Gender: Female
2005GMCYukon XL 1500N/Aw/3 Wire Harness
2005GMCYukon XL 2500Frontw/3 Wires; Terminal Gender: Female
2004CadillacEscaladeFrontCompare w/Original Socket; Terminal Gender: Female
2004CadillacEscalade ESVFrontCompare w/Original Socket; Terminal Gender: Female
2004ChevroletAvalanche 1500FrontCompare w/Original Socket; Terminal Gender: Female
2004ChevroletAvalanche 2500FrontCompare w/Original Socket; Terminal Gender: Female
2004ChevroletSilverado 1500FrontCompare w/Original Socket; Terminal Gender: Female
2004ChevroletSilverado 1500StepsideN/A
2004ChevroletSilverado 2500FrontCompare w/Original Socket; Terminal Gender: Female
2004ChevroletSilverado 2500 HDFrontCompare w/Original Socket; Terminal Gender: Female
2004ChevroletSilverado 3500FrontCompare w/Original Socket; Terminal Gender: Female
2004ChevroletSuburban 1500FrontCompare w/Original Socket; Terminal Gender: Female
2004ChevroletSuburban 2500FrontCompare w/Original Socket; Terminal Gender: Female
2004ChevroletTahoeFrontCompare w/Original Socket; Terminal Gender: Female
2004ChevroletTahoeN/A
2004GMCSierra 1500Frontw/3 Wires; Terminal Gender: Female
2004GMCSierra 1500StepsideN/A
2004GMCSierra 2500Frontw/3 Wires; Terminal Gender: Female
2004GMCSierra 2500 HDFrontw/3 Wires; Terminal Gender: Female
2004GMCSierra 3500Frontw/3 Wires; Terminal Gender: Female
2004GMCYukonFrontw/3 Wires; Terminal Gender: Female
2004GMCYukonN/Aw/3 Wire Harness
2004GMCYukon XL 1500Frontw/3 Wires; Terminal Gender: Female
2004GMCYukon XL 1500N/Aw/3 Wire Harness
2004GMCYukon XL 2500Frontw/3 Wires; Terminal Gender: Female
2003CadillacEscaladeFrontCompare w/Original Socket; Terminal Gender: Female
2003CadillacEscalade ESVFrontCompare w/Original Socket; Terminal Gender: Female
2003ChevroletAvalanche 1500FrontCompare w/Original Socket; Terminal Gender: Female
2003ChevroletAvalanche 2500FrontCompare w/Original Socket; Terminal Gender: Female
2003ChevroletSilverado 1500FrontCompare w/Original Socket; w/2 Wires; Terminal Gender: Female
2003ChevroletSilverado 1500StepsideN/A
2003ChevroletSilverado 1500 HDFrontw/2 Wires; Compare w/Original Socket; Terminal Gender: Female
2003ChevroletSilverado 2500Frontw/2 Wires; Compare w/Original Socket; Terminal Gender: Female
2003ChevroletSilverado 2500 HDFrontw/2 Wires; Compare w/Original Socket; Terminal Gender: Female
2003ChevroletSilverado 3500Frontw/2 Wires; Compare w/Original Socket; Terminal Gender: Female
2003ChevroletSuburban 1500FrontCompare w/Original Socket; Terminal Gender: Female
2003ChevroletSuburban 2500FrontCompare w/Original Socket; Terminal Gender: Female
2003ChevroletTahoeFrontCompare w/Original Socket; Terminal Gender: Female
2003ChevroletTahoeN/A
2003GMCSierra 1500Frontw/3 Wires; Terminal Gender: Female
2003GMCSierra 1500StepsideN/A
2003GMCSierra 1500 HDFrontw/3 Wires; Terminal Gender: Female
2003GMCSierra 2500Frontw/3 Wires; Terminal Gender: Female
2003GMCSierra 2500 HDFrontw/3 Wires; Terminal Gender: Female
2003GMCSierra 3500Frontw/3 Wires; Terminal Gender: Female
2003GMCYukonFrontw/3 Wires; Terminal Gender: Female
2003GMCYukonN/Aw/3 Wire Harness
2003GMCYukon XL 1500Frontw/3 Wires; Terminal Gender: Female
2003GMCYukon XL 1500N/Aw/3 Wire Harness
2003GMCYukon XL 2500Frontw/3 Wires; Terminal Gender: Female
2002CadillacEscaladeFrontCompare w/Original Socket; Terminal Gender: Female
2002CadillacEscalade EXTFrontCompare w/Original Socket; Terminal Gender: Female
2002ChevroletAvalanche 1500FrontCompare w/Original Socket; Terminal Gender: Female
2002ChevroletAvalanche 2500FrontCompare w/Original Socket; Terminal Gender: Female
2002ChevroletSilverado 1500FrontCompare w/Original Socket; w/2 Wires; Terminal Gender: Female
2002ChevroletSilverado 1500StepsideN/A
2002ChevroletSilverado 1500 HDFrontw/2 Wires; Compare w/Original Socket; Terminal Gender: Female
2002ChevroletSilverado 2500Frontw/2 Wires; Compare w/Original Socket; Terminal Gender: Female
2002ChevroletSilverado 2500 HDFrontw/2 Wires; Compare w/Original Socket; Terminal Gender: Female
2002ChevroletSilverado 3500Frontw/2 Wires; Compare w/Original Socket; Terminal Gender: Female
2002ChevroletSuburban 1500FrontCompare w/Original Socket; Terminal Gender: Female
2002ChevroletSuburban 2500FrontCompare w/Original Socket; Terminal Gender: Female
2002ChevroletTahoeFrontCompare w/Original Socket; Terminal Gender: Female
2002ChevroletTahoeN/A
2002GMCSierra 1500Frontw/3 Wires; Terminal Gender: Female
2002GMCSierra 1500StepsideN/A
2002GMCSierra 1500 HDFrontw/3 Wires; Terminal Gender: Female
2002GMCSierra 2500Frontw/3 Wires; Terminal Gender: Female
2002GMCSierra 2500 HDFrontw/3 Wires; Terminal Gender: Female
2002GMCSierra 3500Frontw/3 Wires; Terminal Gender: Female
2002GMCYukonFrontw/3 Wires; Terminal Gender: Female
2002GMCYukonN/Aw/3 Wire Harness
2002GMCYukon XL 1500Frontw/3 Wires; Terminal Gender: Female
2002GMCYukon XL 1500N/Aw/3 Wire Harness
2002GMCYukon XL 2500Frontw/3 Wires; Terminal Gender: Female
2001ChevroletSilverado 1500FrontCompare w/Original Socket; w/2 Wires; Terminal Gender: Female
2001ChevroletSilverado 1500 HDFrontw/2 Wires; Compare w/Original Socket; Terminal Gender: Female
2001ChevroletSilverado 2500Frontw/2 Wires; Compare w/Original Socket; Terminal Gender: Female
2001ChevroletSilverado 2500 HDFrontw/2 Wires; Compare w/Original Socket; Terminal Gender: Female
2001ChevroletSilverado 3500Frontw/2 Wires; Compare w/Original Socket; Terminal Gender: Female
2001ChevroletSuburban 1500FrontCompare w/Original Socket; Terminal Gender: Female
2001ChevroletSuburban 2500FrontCompare w/Original Socket; Terminal Gender: Female
2001ChevroletTahoeFrontCompare w/Original Socket; Terminal Gender: Female
2001ChevroletTahoeN/A
2001GMCSierra 1500Frontw/3 Wires; Terminal Gender: Female
2001GMCSierra 1500 HDFrontw/3 Wires; Terminal Gender: Female
2001GMCSierra 2500Frontw/3 Wires; Terminal Gender: Female
2001GMCSierra 2500 HDFrontw/3 Wires; Terminal Gender: Female
2001GMCSierra 3500Frontw/3 Wires; Terminal Gender: Female
2001GMCYukonFrontw/3 Wires; Terminal Gender: Female
2001GMCYukonN/Aw/3 Wire Harness
2001GMCYukon XL 1500Frontw/3 Wires; Terminal Gender: Female
2001GMCYukon XL 1500N/Aw/3 Wire Harness
2001GMCYukon XL 2500Frontw/3 Wires; Terminal Gender: Female
2000ChevroletSilverado 1500FrontCompare w/Original Socket; Terminal Gender: Female
2000ChevroletSilverado 2500FrontCompare w/Original Socket; Terminal Gender: Female
2000ChevroletSuburban 1500FrontCompare w/Original Socket; Terminal Gender: Female
2000ChevroletSuburban 2500FrontCompare w/Original Socket; Terminal Gender: Female
2000ChevroletTahoeFrontCompare w/Original Socket; Terminal Gender: Female
2000GMCSierra 1500Frontw/3 Wires; Terminal Gender: Female
2000GMCSierra 2500Frontw/3 Wires; Terminal Gender: Female
2000GMCYukonFrontw/3 Wires; Terminal Gender: Female
2000GMCYukon XL 1500Frontw/3 Wires; Terminal Gender: Female
2000GMCYukon XL 2500Frontw/3 Wires; Terminal Gender: Female
1999ChevroletSilverado 1500FrontCompare w/Original Socket; Terminal Gender: Female
1999ChevroletSilverado 2500FrontCompare w/Original Socket; Terminal Gender: Female
1999GMCSierra 1500Frontw/3 Wires; Terminal Gender: Female
1999GMCSierra 2500Frontw/3 Wires; Terminal Gender: Female

* 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:

1441153061471P20733B0971671P2LS6594LS92PT5796S-919

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

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