HomeElectrical, Lighting and Body > Electrical SocketsDorman 645-607 Daytime Running Light Socket
Part #: 645-607

Dorman 645-607 Daytime Running Light Socket

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⚙️ 184 vehicles fit this part
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OE Direct Replacement — Bolt-on fit, no modifications needed
🚗Fitment: Buick, Chevrolet, GMC, Pontiac, and Cadillac, Lucerne, Trailblazer, Envoy, Grand Prix, CTS, Silverado 1500, Silverado 1500 Classic, Silverado 1500 HD Classic, Silverado 2500 HD, Silverado 2500 HD Classic, Silverado 3500 Classic, Silverado 3500 HD, Sierra 1500, Sierra 1500 Classic, Sierra 1500 HD Classic, Sierra 2500 HD, Sierra 2500 HD Classic, Sierra 3500 Classic, Sierra 3500 HD, Avalanche 1500, Avalanche 2500, Silverado 1500 HD, Silverado 3500, Suburban 1500, Suburban 2500, Tahoe, Trailblazer EXT, Envoy XL, Sierra 1500 HD, Sierra 3500, Yukon, Yukon XL 1500, Yukon XL 2500, Envoy XUV, Silverado 2500, and Sierra 2500
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Reliable Daytime Running Light Socket for GM Vehicles

The Dorman 645-607 daytime running light socket is designed to provide a secure and durable electrical connection for your vehicle's lighting system. Compatible with a range of GM models, this socket ensures consistent performance and easy installation.

  • Compatible with Buick, Cadillac, Chevrolet, GMC, and Pontiac models
  • Includes 2 wires for reliable electrical connectivity
  • Female (hembra) plastic terminals for secure fit
  • Overall length of 9 inches with wire, 1.5 inches without
  • Package contains one light bulb socket designed for GM daytime running lights

Product Details and Specifications

The Dorman 645-607 daytime running light socket features two wires and female plastic terminals, providing a dependable connection for your vehicle's daytime running lights. The socket measures 9 inches in total length including the wire, with a compact 1.5-inch length without the cable, allowing for flexible installation in tight spaces. Constructed with durable plastic terminal material, this socket is designed to withstand typical automotive conditions while maintaining electrical integrity.

Compatible Vehicles and Applications

This daytime running light socket is compatible with a wide range of General Motors vehicles, including Buick, Cadillac, Chevrolet, GMC, and Pontiac. Specific models include Chevrolet Avalanche 1500 and 2500, Cadillac CTS, GMC Sierra 1500, 2500, and 3500 series, Chevrolet Silverado 1500, 2500, and 3500 series, as well as SUVs like the Chevrolet Suburban 1500 and 2500, Tahoe, and GMC Yukon XL 1500 and 2500. The Dorman 645-607 is ideal for replacing worn or damaged sockets in these vehicles to restore proper daytime running light function.

Common Issues Addressed by This Socket

  • Intermittent or non-functioning daytime running lights due to socket corrosion or damage
  • Loose or faulty electrical connections causing light flickering
  • Socket wear from exposure to heat and moisture
  • Replacement of broken or cracked sockets to maintain lighting safety standards
  • Upgrading aging sockets to ensure consistent electrical contact

Installation Notes and Tips

Installation of the Dorman 645-607 daytime running light socket is straightforward. Ensure the vehicle is powered off before beginning work. Disconnect the old socket by carefully releasing the female terminals and removing the bulb. Connect the new socket by matching the two wires and securing the female plastic terminals firmly. The 9-inch wire length provides flexibility for routing and connection. Verify the socket is properly seated and test the daytime running lights before completing the installation.

Quality Assurance and Warranty

Dorman parts are manufactured to meet or exceed OEM standards for fit, form, and function. The 645-607 daytime running light socket undergoes quality checks to ensure durability and reliable electrical performance. While specific warranty details may vary, Dorman typically offers a limited warranty covering defects in material and workmanship. Refer to Dorman’s official documentation for complete warranty information.

This part fits 184 vehicles. Search below:

YearMakeModelSubmodelLitersCylindersPositionNotes
2011BuickLucerneN/A
2010BuickLucerneN/A
2009BuickLucerneN/A
2009ChevroletTrailblazerN/A
2009GMCEnvoyN/A
2008BuickLucerneN/A
2008ChevroletTrailblazerN/A
2008GMCEnvoyN/A
2008PontiacGrand PrixN/Aw/2 Wire Harness
2007BuickLucerneN/A
2007CadillacCTSN/Aw/2 Wires; Compare w/Original Socket; Terminal Gender: Female
2007ChevroletSilverado 1500N/ALeads; 2 Way
2007ChevroletSilverado 1500 ClassicN/ALeads; 2 Way
2007ChevroletSilverado 1500 HD ClassicN/ALeads; 2 Way
2007ChevroletSilverado 2500 HDN/ALeads; 2 Way
2007ChevroletSilverado 2500 HD ClassicN/ALeads; 2 Way
2007ChevroletSilverado 3500 ClassicN/ALeads; 2 Way
2007ChevroletSilverado 3500 HDN/ALeads; 2 Way
2007ChevroletTrailblazerN/A
2007GMCEnvoyN/A
2007GMCSierra 1500N/ALeads; 2 Way
2007GMCSierra 1500 ClassicN/ALeads; 2 Way
2007GMCSierra 1500 HD ClassicN/ALeads; 2 Way
2007GMCSierra 2500 HDN/ALeads; 2 Way
2007GMCSierra 2500 HD ClassicN/ALeads; 2 Way
2007GMCSierra 3500 ClassicN/ALeads; 2 Way
2007GMCSierra 3500 HDN/ALeads; 2 Way
2007PontiacGrand PrixN/Aw/2 Wire Harness
2006BuickLucerneN/A
2006CadillacCTSN/Aw/2 Wires; Compare w/Original Socket; Terminal Gender: Female
2006ChevroletAvalanche 1500N/ALeads; 2 Way
2006ChevroletAvalanche 2500N/ALeads; 2 Way
2006ChevroletSilverado 15005.3LV8N/ALeads; 2 Way
2006ChevroletSilverado 15006.0LV8N/ALeads; 2 Way
2006ChevroletSilverado 15004.8LV8N/ALeads; 2 Way
2006ChevroletSilverado 1500N/ALeads; 2 Way
2006ChevroletSilverado 1500 HDN/ALeads; 2 Way
2006ChevroletSilverado 2500 HDN/ALeads; 2 Way
2006ChevroletSilverado 35006.6LV8N/ALeads; 2 Way
2006ChevroletSilverado 35006.0LV8N/ALeads; 2 Way
2006ChevroletSilverado 35008.1LV8N/ALeads; 2 Way
2006ChevroletSuburban 1500N/ALeads; 2 Way
2006ChevroletSuburban 2500N/ALeads; 2 Way
2006ChevroletTahoeN/ALeads; 2 Way
2006ChevroletTrailblazerN/A
2006ChevroletTrailblazer EXTN/A
2006GMCEnvoyN/A
2006GMCEnvoy XLN/A
2006GMCSierra 1500N/ALeads; 2 Way
2006GMCSierra 1500 HDN/ALeads; 2 Way
2006GMCSierra 2500 HDN/ALeads; 2 Way
2006GMCSierra 3500N/ALeads; 2 Way
2006GMCYukonN/ALeads; 2 Way
2006GMCYukon XL 1500N/ALeads; 2 Way
2006GMCYukon XL 2500N/ALeads; 2 Way
2006PontiacGrand PrixN/Aw/2 Wire Harness
2005CadillacCTSN/Aw/2 Wires; Compare w/Original Socket; Terminal Gender: Female
2005ChevroletAvalanche 1500N/ALeads; 2 Way
2005ChevroletAvalanche 2500N/ALeads; 2 Way
2005ChevroletSilverado 15005.3LV8N/ALeads; 2 Way
2005ChevroletSilverado 15004.8LV8N/ALeads; 2 Way
2005ChevroletSilverado 1500N/ALeads; 2 Way
2005ChevroletSilverado 1500SSN/ALeads; 2 Way
2005ChevroletSilverado 1500 HDN/ALeads; 2 Way
2005ChevroletSilverado 2500 HDN/ALeads; 2 Way
2005ChevroletSilverado 35006.6LV8N/ALeads; 2 Way
2005ChevroletSilverado 35006.0LV8N/ALeads; 2 Way
2005ChevroletSilverado 35008.1LV8N/ALeads; 2 Way
2005ChevroletSuburban 1500N/ALeads; 2 Way
2005ChevroletSuburban 2500N/ALeads; 2 Way
2005ChevroletTahoeN/ALeads; 2 Way
2005ChevroletTrailblazerN/AWhite; w/2 Wires
2005ChevroletTrailblazer EXTN/AWhite; w/2 Wires
2005GMCEnvoyN/A
2005GMCEnvoy XLN/A
2005GMCEnvoy XUVN/A
2005GMCSierra 1500N/ALeads; 2 Way
2005GMCSierra 1500 HDN/ALeads; 2 Way
2005GMCSierra 2500 HDN/ALeads; 2 Way
2005GMCSierra 3500N/ALeads; 2 Way
2005GMCYukonN/ALeads; 2 Way
2005GMCYukon XL 1500N/ALeads; 2 Way
2005GMCYukon XL 2500N/ALeads; 2 Way
2004CadillacCTSN/Aw/2 Wires; Compare w/Original Socket; Terminal Gender: Female
2004ChevroletAvalanche 1500N/ALeads; 2 Way
2004ChevroletAvalanche 2500N/ALeads; 2 Way
2004ChevroletSilverado 15005.3LV8N/ALeads; 2 Way
2004ChevroletSilverado 15006.0LV8N/ALeads; 2 Way
2004ChevroletSilverado 15004.8LV8N/ALeads; 2 Way
2004ChevroletSilverado 1500N/ALeads; 2 Way
2004ChevroletSilverado 25006.0LV8N/ALeads; 2 Way
2004ChevroletSilverado 2500 HDN/ALeads; 2 Way
2004ChevroletSilverado 35006.6LV8N/ALeads; 2 Way
2004ChevroletSilverado 35006.0LV8N/ALeads; 2 Way
2004ChevroletSilverado 35008.1LV8N/ALeads; 2 Way
2004ChevroletSuburban 1500N/ALeads; 2 Way
2004ChevroletSuburban 2500N/ALeads; 2 Way
2004ChevroletTahoeN/ALeads; 2 Way
2004ChevroletTrailblazerN/AWhite; w/2 Wires
2004ChevroletTrailblazer EXTN/AWhite; w/2 Wires
2004GMCEnvoyN/A
2004GMCEnvoy XLN/A
2004GMCEnvoy XUVN/A
2004GMCSierra 1500N/ALeads; 2 Way
2004GMCSierra 2500N/ALeads; 2 Way
2004GMCSierra 2500 HDN/ALeads; 2 Way
2004GMCSierra 3500N/ALeads; 2 Way
2004GMCYukonN/ALeads; 2 Way
2004GMCYukon XL 1500N/ALeads; 2 Way
2004GMCYukon XL 2500N/ALeads; 2 Way
2003CadillacCTSN/Aw/2 Wires; Compare w/Original Socket; Terminal Gender: Female
2003ChevroletAvalanche 1500N/ALeads; 2 Way
2003ChevroletAvalanche 2500N/ALeads; 2 Way
2003ChevroletSilverado 15005.3LV8N/ALeads; 2 Way
2003ChevroletSilverado 15006.0LV8N/ALeads; 2 Way
2003ChevroletSilverado 15004.8LV8N/ALeads; 2 Way
2003ChevroletSilverado 1500N/ALeads; 2 Way
2003ChevroletSilverado 1500 HDN/ALeads; 2 Way
2003ChevroletSilverado 25006.0LV8N/ALeads; 2 Way
2003ChevroletSilverado 2500 HDN/ALeads; 2 Way
2003ChevroletSilverado 3500N/ALeads; 2 Way
2003ChevroletSuburban 1500N/ALeads; 2 Way
2003ChevroletSuburban 2500N/ALeads; 2 Way
2003ChevroletTahoeN/ALeads; 2 Way
2003ChevroletTrailblazerN/AWhite; w/2 Wires
2003ChevroletTrailblazer EXTN/AWhite; w/2 Wires
2003GMCEnvoyN/A
2003GMCEnvoy XLN/A
2003GMCSierra 1500N/ALeads; 2 Way
2003GMCSierra 1500 HDN/ALeads; 2 Way
2003GMCSierra 2500N/ALeads; 2 Way
2003GMCSierra 2500 HDN/ALeads; 2 Way
2003GMCSierra 3500N/ALeads; 2 Way
2003GMCYukonN/ALeads; 2 Way
2003GMCYukon XL 1500N/ALeads; 2 Way
2003GMCYukon XL 2500N/ALeads; 2 Way
2002ChevroletAvalanche 1500N/ALeads; 2 Way
2002ChevroletAvalanche 2500N/ALeads; 2 Way
2002ChevroletSilverado 15005.3LV8N/ALeads; 2 Way
2002ChevroletSilverado 15004.8LV8N/ALeads; 2 Way
2002ChevroletSilverado 1500N/ALeads; 2 Way
2002ChevroletSilverado 1500 HDN/ALeads; 2 Way
2002ChevroletSilverado 25006.0LV8N/ALeads; 2 Way
2002ChevroletSilverado 2500 HDN/ALeads; 2 Way
2002ChevroletSilverado 3500N/ALeads; 2 Way
2002ChevroletSuburban 15005.3LV8N/ALeads; 2 Way
2002ChevroletSuburban 2500N/ALeads; 2 Way
2002ChevroletTahoeN/ALeads; 2 Way
2002ChevroletTrailblazerN/AWhite; w/2 Wires
2002ChevroletTrailblazer EXTN/AWhite; w/2 Wires
2002GMCEnvoyN/A
2002GMCEnvoy XLN/A
2002GMCSierra 1500N/ALeads; 2 Way
2002GMCSierra 1500 HDN/ALeads; 2 Way
2002GMCSierra 2500N/ALeads; 2 Way
2002GMCSierra 2500 HDN/ALeads; 2 Way
2002GMCSierra 3500N/ALeads; 2 Way
2002GMCYukonN/ALeads; 2 Way
2002GMCYukon XL 1500N/ALeads; 2 Way
2002GMCYukon XL 2500N/ALeads; 2 Way
2001ChevroletSilverado 1500N/ALeads; 2 Way
2001ChevroletSilverado 1500 HDN/ALeads; 2 Way
2001ChevroletSilverado 25006.0LV8N/ALeads; 2 Way
2001ChevroletSilverado 2500 HDN/ALeads; 2 Way
2001ChevroletSilverado 3500N/ALeads; 2 Way
2001ChevroletSuburban 15005.3LV8N/ALeads; 2 Way
2001ChevroletSuburban 2500N/ALeads; 2 Way
2001ChevroletTahoeN/ALeads; 2 Way
2001GMCSierra 1500N/ALeads; 2 Way
2001GMCSierra 1500 HDN/ALeads; 2 Way
2001GMCSierra 2500N/ALeads; 2 Way
2001GMCSierra 2500 HDN/ALeads; 2 Way
2001GMCSierra 3500N/ALeads; 2 Way
2001GMCYukonN/ALeads; 2 Way
2001GMCYukon XL 1500N/ALeads; 2 Way
2001GMCYukon XL 2500N/ALeads; 2 Way
2000ChevroletSilverado 1500N/ALeads; 2 Way
2000ChevroletSilverado 2500N/ALeads; 2 Way
2000GMCSierra 1500N/ALeads; 2 Way
2000GMCSierra 2500N/ALeads; 2 Way
1999ChevroletSilverado 1500N/ALeads; 2 Way
1999ChevroletSilverado 2500N/ALeads; 2 Way
1999GMCSierra 1500N/ALeads; 2 Way
1999GMCSierra 2500N/ALeads; 2 Way

* 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:

153061571P14781U2Z14S411AMA57-5259846LS100LS6606PT5899S-1022

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