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Dorman 645-607 Daytime Running Light Socket
| Brand | Dorman 645-607 |
|---|---|
| Fits | Buick, Chevrolet, GMC, Pontiac, and Cadillac · 184 vehicles |
Extra-long leads. Socket assembly includes extended wiring for easier installation.
Multiple butt connectors. Built with connectors for a secure electrical connection.
Female terminal design. Light bulb socket uses a female terminal configuration.
Cross-references BENDIX PREMIUM BRAKE SHOES 846, Standard Ignition S-1022 and 1P1478 for the same application. See all 9.
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Dorman 645-607 Daytime Running Light Socket
Dorman 645-607 is a daytime running light socket assembly built for GM applications that use a 2-wire harness. It features extra-long leads and multiple butt connectors to support a cleaner repair on vehicles such as the Chevrolet Silverado, GMC Sierra, and Cadillac CTS.
Key Features
- Daytime running light socket assembly for electrical lighting repair
- Extra-long leads for added routing flexibility
- Multiple butt connectors included in the socket assembly design
- Female terminal gender
- 2-wire configuration
- Overall length: 9 in with wire, 1.5 in without
- Plastic terminal material
Product Details
This Dorman socket assembly is designed for GM lighting repairs where the original daytime running light socket has worn, overheated, or lost electrical contact. The 645-607 part number is listed for a wide range of Chevrolet, GMC, Buick, Pontiac, and Cadillac models, including 1999-2007 Chevrolet Silverado 1500, 2001-2006 Chevrolet Tahoe, 2001-2006 GMC Yukon, and 2003-2007 Cadillac CTS with 2 wires. This part cross-references Standard Ignition S-1022 for the same application.
Use Dorman 645-607 when you need a replacement daytime running light socket for GM vehicles with a female terminal and 2-wire setup. The extra lead length helps with splice-in repairs where the original connector has heat damage or broken terminals.
What It Helps Fix
- Intermittent daytime running light operation
- Burned, brittle, or melted socket housing
- Corroded or loose electrical terminals
- Broken wiring at the original socket
- Loss of contact at the DRL bulb connection
Installation Notes and Tips
Confirm terminal gender, wire count, and connector style before installation. This part is listed for applications such as Fits 2006-2011 Buick Lucerne, N/A; Fits 2006-2009 Chevrolet Trailblazer, N/A; Fits 2002-2009 GMC Envoy, N/A; and Fits 2003-2007 Cadillac CTS, N/A with 2 wires. For best results, compare the replacement socket to the original part and verify the vehicle-specific notes, including 2-wire harness or leads; 2-way configurations. The 645-607 part number is also listed for Chevrolet Silverado and GMC Sierra models with lead-style 2-way connections.
Quality Assurance
Dorman designs its socket assemblies with application-specific lead length and connector details to support a direct electrical repair on listed GM vehicles. The 645-607 is engineered for fitment across confirmed applications spanning 1999-2011 model years.
This part fits 184 vehicles
Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
| Year | Make | Model | Submodel | Liters | Cylinders | Position | Notes |
|---|---|---|---|---|---|---|---|
| 2011 | Buick | Lucerne | — | — | — | N/A | — |
| 2010 | Buick | Lucerne | — | — | — | N/A | — |
| 2009 | Buick | Lucerne | — | — | — | N/A | — |
| 2009 | Chevrolet | Trailblazer | — | — | — | N/A | — |
| 2009 | GMC | Envoy | — | — | — | N/A | — |
| 2008 | Buick | Lucerne | — | — | — | N/A | — |
| 2008 | Chevrolet | Trailblazer | — | — | — | N/A | — |
| 2008 | GMC | Envoy | — | — | — | N/A | — |
| 2008 | Pontiac | Grand Prix | — | — | — | N/A | w/2 Wire Harness |
| 2007 | Buick | Lucerne | — | — | — | N/A | — |
| 2007 | Cadillac | CTS | — | — | — | N/A | w/2 Wires; Compare w/Original Socket; Terminal Gender: Female |
| 2007 | Chevrolet | Silverado 1500 | — | — | — | N/A | Leads; 2 Way |
| 2007 | Chevrolet | Silverado 1500 Classic | — | — | — | N/A | Leads; 2 Way |
| 2007 | Chevrolet | Silverado 1500 HD Classic | — | — | — | N/A | Leads; 2 Way |
| 2007 | Chevrolet | Silverado 2500 HD | — | — | — | N/A | Leads; 2 Way |
| 2007 | Chevrolet | Silverado 2500 HD Classic | — | — | — | N/A | Leads; 2 Way |
| 2007 | Chevrolet | Silverado 3500 Classic | — | — | — | N/A | Leads; 2 Way |
| 2007 | Chevrolet | Silverado 3500 HD | — | — | — | N/A | Leads; 2 Way |
| 2007 | Chevrolet | Trailblazer | — | — | — | N/A | — |
| 2007 | GMC | Envoy | — | — | — | N/A | — |
| 2007 | GMC | Sierra 1500 | — | — | — | N/A | Leads; 2 Way |
| 2007 | GMC | Sierra 1500 Classic | — | — | — | N/A | Leads; 2 Way |
| 2007 | GMC | Sierra 1500 HD Classic | — | — | — | N/A | Leads; 2 Way |
| 2007 | GMC | Sierra 2500 HD | — | — | — | N/A | Leads; 2 Way |
| 2007 | GMC | Sierra 2500 HD Classic | — | — | — | N/A | Leads; 2 Way |
| 2007 | GMC | Sierra 3500 Classic | — | — | — | N/A | Leads; 2 Way |
| 2007 | GMC | Sierra 3500 HD | — | — | — | N/A | Leads; 2 Way |
| 2007 | Pontiac | Grand Prix | — | — | — | N/A | w/2 Wire Harness |
| 2006 | Buick | Lucerne | — | — | — | N/A | — |
| 2006 | Cadillac | CTS | — | — | — | N/A | w/2 Wires; Compare w/Original Socket; Terminal Gender: Female |
| 2006 | Chevrolet | Avalanche 1500 | — | — | — | N/A | Leads; 2 Way |
| 2006 | Chevrolet | Avalanche 2500 | — | — | — | N/A | Leads; 2 Way |
| 2006 | Chevrolet | Silverado 1500 | — | 5.3L | V8 | N/A | Leads; 2 Way |
| 2006 | Chevrolet | Silverado 1500 | — | 6.0L | V8 | N/A | Leads; 2 Way |
| 2006 | Chevrolet | Silverado 1500 | — | 4.8L | V8 | N/A | Leads; 2 Way |
| 2006 | Chevrolet | Silverado 1500 | — | — | — | N/A | Leads; 2 Way |
| 2006 | Chevrolet | Silverado 1500 HD | — | — | — | N/A | Leads; 2 Way |
| 2006 | Chevrolet | Silverado 2500 HD | — | — | — | N/A | Leads; 2 Way |
| 2006 | Chevrolet | Silverado 3500 | — | 6.6L | V8 | N/A | Leads; 2 Way |
| 2006 | Chevrolet | Silverado 3500 | — | 6.0L | V8 | N/A | Leads; 2 Way |
| 2006 | Chevrolet | Silverado 3500 | — | 8.1L | V8 | N/A | Leads; 2 Way |
| 2006 | Chevrolet | Suburban 1500 | — | — | — | N/A | Leads; 2 Way |
| 2006 | Chevrolet | Suburban 2500 | — | — | — | N/A | Leads; 2 Way |
| 2006 | Chevrolet | Tahoe | — | — | — | N/A | Leads; 2 Way |
| 2006 | Chevrolet | Trailblazer | — | — | — | N/A | — |
| 2006 | Chevrolet | Trailblazer EXT | — | — | — | N/A | — |
| 2006 | GMC | Envoy | — | — | — | N/A | — |
| 2006 | GMC | Envoy XL | — | — | — | N/A | — |
| 2006 | GMC | Sierra 1500 | — | — | — | N/A | Leads; 2 Way |
| 2006 | GMC | Sierra 1500 HD | — | — | — | N/A | Leads; 2 Way |
| 2006 | GMC | Sierra 2500 HD | — | — | — | N/A | Leads; 2 Way |
| 2006 | GMC | Sierra 3500 | — | — | — | N/A | Leads; 2 Way |
| 2006 | GMC | Yukon | — | — | — | N/A | Leads; 2 Way |
| 2006 | GMC | Yukon XL 1500 | — | — | — | N/A | Leads; 2 Way |
| 2006 | GMC | Yukon XL 2500 | — | — | — | N/A | Leads; 2 Way |
| 2006 | Pontiac | Grand Prix | — | — | — | N/A | w/2 Wire Harness |
| 2005 | Cadillac | CTS | — | — | — | N/A | w/2 Wires; Compare w/Original Socket; Terminal Gender: Female |
| 2005 | Chevrolet | Avalanche 1500 | — | — | — | N/A | Leads; 2 Way |
| 2005 | Chevrolet | Avalanche 2500 | — | — | — | N/A | Leads; 2 Way |
| 2005 | Chevrolet | Silverado 1500 | — | 5.3L | V8 | N/A | Leads; 2 Way |
| 2005 | Chevrolet | Silverado 1500 | — | 4.8L | V8 | N/A | Leads; 2 Way |
| 2005 | Chevrolet | Silverado 1500 | — | — | — | N/A | Leads; 2 Way |
| 2005 | Chevrolet | Silverado 1500 | SS | — | — | N/A | Leads; 2 Way |
| 2005 | Chevrolet | Silverado 1500 HD | — | — | — | N/A | Leads; 2 Way |
| 2005 | Chevrolet | Silverado 2500 HD | — | — | — | N/A | Leads; 2 Way |
| 2005 | Chevrolet | Silverado 3500 | — | 6.6L | V8 | N/A | Leads; 2 Way |
| 2005 | Chevrolet | Silverado 3500 | — | 6.0L | V8 | N/A | Leads; 2 Way |
| 2005 | Chevrolet | Silverado 3500 | — | 8.1L | V8 | N/A | Leads; 2 Way |
| 2005 | Chevrolet | Suburban 1500 | — | — | — | N/A | Leads; 2 Way |
| 2005 | Chevrolet | Suburban 2500 | — | — | — | N/A | Leads; 2 Way |
| 2005 | Chevrolet | Tahoe | — | — | — | N/A | Leads; 2 Way |
| 2005 | Chevrolet | Trailblazer | — | — | — | N/A | White; w/2 Wires |
| 2005 | Chevrolet | Trailblazer EXT | — | — | — | N/A | White; w/2 Wires |
| 2005 | GMC | Envoy | — | — | — | N/A | — |
| 2005 | GMC | Envoy XL | — | — | — | N/A | — |
| 2005 | GMC | Envoy XUV | — | — | — | N/A | — |
| 2005 | GMC | Sierra 1500 | — | — | — | N/A | Leads; 2 Way |
| 2005 | GMC | Sierra 1500 HD | — | — | — | N/A | Leads; 2 Way |
| 2005 | GMC | Sierra 2500 HD | — | — | — | N/A | Leads; 2 Way |
| 2005 | GMC | Sierra 3500 | — | — | — | N/A | Leads; 2 Way |
| 2005 | GMC | Yukon | — | — | — | N/A | Leads; 2 Way |
| 2005 | GMC | Yukon XL 1500 | — | — | — | N/A | Leads; 2 Way |
| 2005 | GMC | Yukon XL 2500 | — | — | — | N/A | Leads; 2 Way |
| 2004 | Cadillac | CTS | — | — | — | N/A | w/2 Wires; Compare w/Original Socket; Terminal Gender: Female |
| 2004 | Chevrolet | Avalanche 1500 | — | — | — | N/A | Leads; 2 Way |
| 2004 | Chevrolet | Avalanche 2500 | — | — | — | N/A | Leads; 2 Way |
| 2004 | Chevrolet | Silverado 1500 | — | 5.3L | V8 | N/A | Leads; 2 Way |
| 2004 | Chevrolet | Silverado 1500 | — | 6.0L | V8 | N/A | Leads; 2 Way |
| 2004 | Chevrolet | Silverado 1500 | — | 4.8L | V8 | N/A | Leads; 2 Way |
| 2004 | Chevrolet | Silverado 1500 | — | — | — | N/A | Leads; 2 Way |
| 2004 | Chevrolet | Silverado 2500 | — | 6.0L | V8 | N/A | Leads; 2 Way |
| 2004 | Chevrolet | Silverado 2500 HD | — | — | — | N/A | Leads; 2 Way |
| 2004 | Chevrolet | Silverado 3500 | — | 6.6L | V8 | N/A | Leads; 2 Way |
| 2004 | Chevrolet | Silverado 3500 | — | 6.0L | V8 | N/A | Leads; 2 Way |
| 2004 | Chevrolet | Silverado 3500 | — | 8.1L | V8 | N/A | Leads; 2 Way |
| 2004 | Chevrolet | Suburban 1500 | — | — | — | N/A | Leads; 2 Way |
| 2004 | Chevrolet | Suburban 2500 | — | — | — | N/A | Leads; 2 Way |
| 2004 | Chevrolet | Tahoe | — | — | — | N/A | Leads; 2 Way |
| 2004 | Chevrolet | Trailblazer | — | — | — | N/A | White; w/2 Wires |
| 2004 | Chevrolet | Trailblazer EXT | — | — | — | N/A | White; w/2 Wires |
| 2004 | GMC | Envoy | — | — | — | N/A | — |
| 2004 | GMC | Envoy XL | — | — | — | N/A | — |
| 2004 | GMC | Envoy XUV | — | — | — | N/A | — |
| 2004 | GMC | Sierra 1500 | — | — | — | N/A | Leads; 2 Way |
| 2004 | GMC | Sierra 2500 | — | — | — | N/A | Leads; 2 Way |
| 2004 | GMC | Sierra 2500 HD | — | — | — | N/A | Leads; 2 Way |
| 2004 | GMC | Sierra 3500 | — | — | — | N/A | Leads; 2 Way |
| 2004 | GMC | Yukon | — | — | — | N/A | Leads; 2 Way |
| 2004 | GMC | Yukon XL 1500 | — | — | — | N/A | Leads; 2 Way |
| 2004 | GMC | Yukon XL 2500 | — | — | — | N/A | Leads; 2 Way |
| 2003 | Cadillac | CTS | — | — | — | N/A | w/2 Wires; Compare w/Original Socket; Terminal Gender: Female |
| 2003 | Chevrolet | Avalanche 1500 | — | — | — | N/A | Leads; 2 Way |
| 2003 | Chevrolet | Avalanche 2500 | — | — | — | N/A | Leads; 2 Way |
| 2003 | Chevrolet | Silverado 1500 | — | 5.3L | V8 | N/A | Leads; 2 Way |
| 2003 | Chevrolet | Silverado 1500 | — | 6.0L | V8 | N/A | Leads; 2 Way |
| 2003 | Chevrolet | Silverado 1500 | — | 4.8L | V8 | N/A | Leads; 2 Way |
| 2003 | Chevrolet | Silverado 1500 | — | — | — | N/A | Leads; 2 Way |
| 2003 | Chevrolet | Silverado 1500 HD | — | — | — | N/A | Leads; 2 Way |
| 2003 | Chevrolet | Silverado 2500 | — | 6.0L | V8 | N/A | Leads; 2 Way |
| 2003 | Chevrolet | Silverado 2500 HD | — | — | — | N/A | Leads; 2 Way |
| 2003 | Chevrolet | Silverado 3500 | — | — | — | N/A | Leads; 2 Way |
| 2003 | Chevrolet | Suburban 1500 | — | — | — | N/A | Leads; 2 Way |
| 2003 | Chevrolet | Suburban 2500 | — | — | — | N/A | Leads; 2 Way |
| 2003 | Chevrolet | Tahoe | — | — | — | N/A | Leads; 2 Way |
| 2003 | Chevrolet | Trailblazer | — | — | — | N/A | White; w/2 Wires |
| 2003 | Chevrolet | Trailblazer EXT | — | — | — | N/A | White; w/2 Wires |
| 2003 | GMC | Envoy | — | — | — | N/A | — |
| 2003 | GMC | Envoy XL | — | — | — | N/A | — |
| 2003 | GMC | Sierra 1500 | — | — | — | N/A | Leads; 2 Way |
| 2003 | GMC | Sierra 1500 HD | — | — | — | N/A | Leads; 2 Way |
| 2003 | GMC | Sierra 2500 | — | — | — | N/A | Leads; 2 Way |
| 2003 | GMC | Sierra 2500 HD | — | — | — | N/A | Leads; 2 Way |
| 2003 | GMC | Sierra 3500 | — | — | — | N/A | Leads; 2 Way |
| 2003 | GMC | Yukon | — | — | — | N/A | Leads; 2 Way |
| 2003 | GMC | Yukon XL 1500 | — | — | — | N/A | Leads; 2 Way |
| 2003 | GMC | Yukon XL 2500 | — | — | — | N/A | Leads; 2 Way |
| 2002 | Chevrolet | Avalanche 1500 | — | — | — | N/A | Leads; 2 Way |
| 2002 | Chevrolet | Avalanche 2500 | — | — | — | N/A | Leads; 2 Way |
| 2002 | Chevrolet | Silverado 1500 | — | 5.3L | V8 | N/A | Leads; 2 Way |
| 2002 | Chevrolet | Silverado 1500 | — | 4.8L | V8 | N/A | Leads; 2 Way |
| 2002 | Chevrolet | Silverado 1500 | — | — | — | N/A | Leads; 2 Way |
| 2002 | Chevrolet | Silverado 1500 HD | — | — | — | N/A | Leads; 2 Way |
| 2002 | Chevrolet | Silverado 2500 | — | 6.0L | V8 | N/A | Leads; 2 Way |
| 2002 | Chevrolet | Silverado 2500 HD | — | — | — | N/A | Leads; 2 Way |
| 2002 | Chevrolet | Silverado 3500 | — | — | — | N/A | Leads; 2 Way |
| 2002 | Chevrolet | Suburban 1500 | — | 5.3L | V8 | N/A | Leads; 2 Way |
| 2002 | Chevrolet | Suburban 2500 | — | — | — | N/A | Leads; 2 Way |
| 2002 | Chevrolet | Tahoe | — | — | — | N/A | Leads; 2 Way |
| 2002 | Chevrolet | Trailblazer | — | — | — | N/A | White; w/2 Wires |
| 2002 | Chevrolet | Trailblazer EXT | — | — | — | N/A | White; w/2 Wires |
| 2002 | GMC | Envoy | — | — | — | N/A | — |
| 2002 | GMC | Envoy XL | — | — | — | N/A | — |
| 2002 | GMC | Sierra 1500 | — | — | — | N/A | Leads; 2 Way |
| 2002 | GMC | Sierra 1500 HD | — | — | — | N/A | Leads; 2 Way |
| 2002 | GMC | Sierra 2500 | — | — | — | N/A | Leads; 2 Way |
| 2002 | GMC | Sierra 2500 HD | — | — | — | N/A | Leads; 2 Way |
| 2002 | GMC | Sierra 3500 | — | — | — | N/A | Leads; 2 Way |
| 2002 | GMC | Yukon | — | — | — | N/A | Leads; 2 Way |
| 2002 | GMC | Yukon XL 1500 | — | — | — | N/A | Leads; 2 Way |
| 2002 | GMC | Yukon XL 2500 | — | — | — | N/A | Leads; 2 Way |
| 2001 | Chevrolet | Silverado 1500 | — | — | — | N/A | Leads; 2 Way |
| 2001 | Chevrolet | Silverado 1500 HD | — | — | — | N/A | Leads; 2 Way |
| 2001 | Chevrolet | Silverado 2500 | — | 6.0L | V8 | N/A | Leads; 2 Way |
| 2001 | Chevrolet | Silverado 2500 HD | — | — | — | N/A | Leads; 2 Way |
| 2001 | Chevrolet | Silverado 3500 | — | — | — | N/A | Leads; 2 Way |
| 2001 | Chevrolet | Suburban 1500 | — | 5.3L | V8 | N/A | Leads; 2 Way |
| 2001 | Chevrolet | Suburban 2500 | — | — | — | N/A | Leads; 2 Way |
| 2001 | Chevrolet | Tahoe | — | — | — | N/A | Leads; 2 Way |
| 2001 | GMC | Sierra 1500 | — | — | — | N/A | Leads; 2 Way |
| 2001 | GMC | Sierra 1500 HD | — | — | — | N/A | Leads; 2 Way |
| 2001 | GMC | Sierra 2500 | — | — | — | N/A | Leads; 2 Way |
| 2001 | GMC | Sierra 2500 HD | — | — | — | N/A | Leads; 2 Way |
| 2001 | GMC | Sierra 3500 | — | — | — | N/A | Leads; 2 Way |
| 2001 | GMC | Yukon | — | — | — | N/A | Leads; 2 Way |
| 2001 | GMC | Yukon XL 1500 | — | — | — | N/A | Leads; 2 Way |
| 2001 | GMC | Yukon XL 2500 | — | — | — | N/A | Leads; 2 Way |
| 2000 | Chevrolet | Silverado 1500 | — | — | — | N/A | Leads; 2 Way |
| 2000 | Chevrolet | Silverado 2500 | — | — | — | N/A | Leads; 2 Way |
| 2000 | GMC | Sierra 1500 | — | — | — | N/A | Leads; 2 Way |
| 2000 | GMC | Sierra 2500 | — | — | — | N/A | Leads; 2 Way |
| 1999 | Chevrolet | Silverado 1500 | — | — | — | N/A | Leads; 2 Way |
| 1999 | Chevrolet | Silverado 2500 | — | — | — | N/A | Leads; 2 Way |
| 1999 | GMC | Sierra 1500 | — | — | — | N/A | Leads; 2 Way |
| 1999 | GMC | Sierra 2500 | — | — | — | N/A | Leads; 2 Way |
| No rows match your filter. | |||||||
Directly replaces or cross-references 9 part numbers
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.
BENDIX PREMIUM BRAKE SHOES — 846Standard Ignition — S-10221P14781U2Z14S411AMA57-525915306157LS100LS6606PT5899