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  3. Lighting and Electrical
  4. Electrical Connectors
  5. Headlight Switch Connector
  6. Dorman 645-903 for 2003

Dorman 645-903 Headlight Switch Connector
for 2003 (please select make/model)

Dorman 645-903 Headlight Switch Connector - 2003

Dorman
Brand:Dorman
Part Number: 645-903
UPC: 00037495063159
Weight: 0.63 lbs
Condition:New



On Sale:

$77.66

Availability:
7 in Stock
Warehouse: US-19
Quantity:

Product Information

Description:

Get the Dorman 645-903 Headlight Switch Connector for your 2003. Buy now and secure your purchase online!

This headlight switch connector is designed to match the appearance and function of the original hardware on specified applications. Made of quality materials, it is engineered for reliable performance and durability.

Features and Benefits:

  • Direct replacement - this headlight switch connector matches the appearance and function of the factory hardware on specified applications
  • Durable construction - this part is made from quality materials to ensure reliable performance and long service life
  • Ideal solution - this connector is a reliable replacement for an original part that is missing or has failed due to fatigue
  • Trustworthy quality - backed by team of product experts in the United States and more than a century of automotive experience

Specifications:

Package Contents:
1 Harness
Terminal Gender:
Female
Terminal Material:
Tin Brass
Terminal Type:
Blade
Tube Length:
16.4 in in.
Wire Gauge Measurement:
10 Gauge
Wire Quantity:
12
ACDelco #:
PT819
Airtex #:
1P1266
BWD #:
PT5734
General Motors #:
12167155
Standard Motor Products #:
S-800
Wells #:
634
Country of Origin:
TW

Select a vehicle to narrow Dorman 645-903 Headlight Switch Connector fitment info!

Last Updated: 09/22/2024

Years Vehicle Per Vehicle Fit NotesFitment Notes

2009

 

2008

 

2007

 

2006

 

2005

 

2004

 

2003

 

2009

 

2008

 

2007

 

2006

 

2005

 

2004

 

2003

 
Chevrolet C4500 Kodiak

6.6L V8 Diesel OHV Turbo,
8.1L V8 Gas OHV
1
 
12 Way Female w/Leads
w/Dimmer Switch
 

Chevrolet C4500 Kodiak



6.6L V8 Diesel OHV Turbo,
8.1L V8 Gas OHV 12 Way Female w/Leads
w/Dimmer Switch

1 Per Vehicle

2009

 

2008

 

2007

 

2006

 

2005

 

2004

 

2003

 

2009

 

2008

 

2007

 

2006

 

2005

 

2004

 

2003

 
Chevrolet C5500 Kodiak

6.6L V8 Diesel OHV Turbo,
8.1L V8 Gas OHV
1
 
12 Way Female w/Leads
w/Dimmer Switch
 

Chevrolet C5500 Kodiak



6.6L V8 Diesel OHV Turbo,
8.1L V8 Gas OHV 12 Way Female w/Leads
w/Dimmer Switch

1 Per Vehicle

2009

 

2008

 

2007

 

2006

 

2005

 

2004

 

2003

 

2009

 

2008

 

2007

 

2006

 

2005

 

2004

 

2003

 
Chevrolet C6500 Kodiak

7.2L L6 Diesel Turbo,
7.8L L6 Diesel Turbo,
8.1L V8 Gas OHV
1
 
12 Way Female w/Leads
w/Dimmer Switch
 

Chevrolet C6500 Kodiak



7.2L L6 Diesel Turbo,
7.8L L6 Diesel Turbo,
8.1L V8 Gas OHV 12 Way Female w/Leads
w/Dimmer Switch

1 Per Vehicle

2009

 

2008

 

2007

 

2006

 

2005

 

2004

 

2003

 

2009

 

2008

 

2007

 

2006

 

2005

 

2004

 

2003

 
Chevrolet C7500 Kodiak

7.2L L6 Diesel Turbo,
7.8L L6 Diesel Turbo,
8.1L V8 Gas OHV
1
 
12 Way Female w/Leads
w/Dimmer Switch
 

Chevrolet C7500 Kodiak



7.2L L6 Diesel Turbo,
7.8L L6 Diesel Turbo,
8.1L V8 Gas OHV 12 Way Female w/Leads
w/Dimmer Switch

1 Per Vehicle

2003

 

2003

 
Chevrolet C8500

7.2L L6 Diesel Turbo,
7.8L L6 Diesel Turbo,
8.1L V8 Gas OHV
1
 
12 Way Female w/Leads
w/Dimmer Switch
 

Chevrolet C8500



7.2L L6 Diesel Turbo,
7.8L L6 Diesel Turbo,
8.1L V8 Gas OHV 12 Way Female w/Leads
w/Dimmer Switch

1 Per Vehicle

2009

 

2008

 

2007

 

2006

 

2005

 

2004

 

2003

 

2009

 

2008

 

2007

 

2006

 

2005

 

2004

 

2003

 
GMC C4500 Topkick

6.6L V8 Diesel OHV Turbo,
8.1L V8 Gas OHV
1
 
12 Way Female w/Leads
w/Dimmer Switch
 

GMC C4500 Topkick



6.6L V8 Diesel OHV Turbo,
8.1L V8 Gas OHV 12 Way Female w/Leads
w/Dimmer Switch

1 Per Vehicle

2009

 

2008

 

2007

 

2006

 

2005

 

2004

 

2003

 

2009

 

2008

 

2007

 

2006

 

2005

 

2004

 

2003

 
GMC C5500 Topkick

6.6L V8 Diesel OHV Turbo,
8.1L V8 Gas OHV
1
 
12 Way Female w/Leads
w/Dimmer Switch
 

GMC C5500 Topkick



6.6L V8 Diesel OHV Turbo,
8.1L V8 Gas OHV 12 Way Female w/Leads
w/Dimmer Switch

1 Per Vehicle

2009

 

2008

 

2007

 

2006

 

2005

 

2004

 

2003

 

2009

 

2008

 

2007

 

2006

 

2005

 

2004

 

2003

 
GMC C6500 Topkick

7.2L L6 Diesel Turbo,
7.8L L6 Diesel Turbo,
8.1L V8 Gas OHV
1
 
12 Way Female w/Leads
w/Dimmer Switch
 

GMC C6500 Topkick



7.2L L6 Diesel Turbo,
7.8L L6 Diesel Turbo,
8.1L V8 Gas OHV 12 Way Female w/Leads
w/Dimmer Switch

1 Per Vehicle

2009

 

2008

 

2007

 

2006

 

2005

 

2004

 

2003

 

2009

 

2008

 

2007

 

2006

 

2005

 

2004

 

2003

 
GMC C7500 Topkick

7.2L L6 Diesel Turbo,
7.8L L6 Diesel Turbo,
8.1L V8 Gas OHV
1
 
12 Way Female w/Leads
w/Dimmer Switch
 

GMC C7500 Topkick



7.2L L6 Diesel Turbo,
7.8L L6 Diesel Turbo,
8.1L V8 Gas OHV 12 Way Female w/Leads
w/Dimmer Switch

1 Per Vehicle

2009

 

2008

 

2007

 

2006

 

2005

 

2004

 

2003

 

2009

 

2008

 

2007

 

2006

 

2005

 

2004

 

2003

 
GMC C8500 Topkick

7.8L L6 Diesel Turbo,
8.1L V8 Gas OHV
1
 
12 Way Female w/Leads
w/Dimmer Switch
 

GMC C8500 Topkick



7.8L L6 Diesel Turbo,
8.1L V8 Gas OHV 12 Way Female w/Leads
w/Dimmer Switch

1 Per Vehicle

2006

 

2005

 

2004

 

2003

 

2006

 

2005

 

2004

 

2003

 
GMC C8500 Topkick

7.2L L6 Diesel Turbo
1
 
12 Way Female w/Leads
w/Dimmer Switch
 

GMC C8500 Topkick



7.2L L6 Diesel Turbo 12 Way Female w/Leads
w/Dimmer Switch

1 Per Vehicle

2003

 

2003

 
GMC Savana 1500

5.3L V8 Gas OHV
1
 
12 Way Female w/Leads
w/Dimmer Switch
 

GMC Savana 1500



5.3L V8 Gas OHV 12 Way Female w/Leads
w/Dimmer Switch

1 Per Vehicle

2003

 

2002

 

2001

 

2000

 

1999

 

1998

 

1997

 

1996

 

2003

 

2002

 

2001

 

2000

 

1999

 

1998

 

1997

 

1996

 
GMC Savana 1500

4.3L V6 Gas OHV
1
 
12 Way Female w/Leads
w/Dimmer Switch
 

GMC Savana 1500



4.3L V6 Gas OHV 12 Way Female w/Leads
w/Dimmer Switch

1 Per Vehicle

2003

 

2003

 
GMC Savana 2500

4.8L V8 Gas OHV,
5.3L V8 Gas OHV,
6.0L V8 CNG OHV,
6.0L V8 Gas OHV
1
 
12 Way Female w/Leads
w/Dimmer Switch
 

GMC Savana 2500



4.8L V8 Gas OHV,
5.3L V8 Gas OHV,
6.0L V8 CNG OHV,
6.0L V8 Gas OHV 12 Way Female w/Leads
w/Dimmer Switch

1 Per Vehicle

2003

 

2002

 

2001

 

2000

 

1999

 

1998

 

1997

 

1996

 

2003

 

2002

 

2001

 

2000

 

1999

 

1998

 

1997

 

1996

 
GMC Savana 2500

4.3L V6 Gas OHV
1
 
12 Way Female w/Leads
w/Dimmer Switch
 

GMC Savana 2500



4.3L V6 Gas OHV 12 Way Female w/Leads
w/Dimmer Switch

1 Per Vehicle

2003

 

2003

 
GMC Savana 3500

4.8L V8 Gas OHV,
6.0L V8 CNG OHV,
6.0L V8 Gas OHV
1
 
12 Way Female w/Leads
w/Dimmer Switch
 

GMC Savana 3500



4.8L V8 Gas OHV,
6.0L V8 CNG OHV,
6.0L V8 Gas OHV 12 Way Female w/Leads
w/Dimmer Switch

1 Per Vehicle

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