2003 GMC Sierra 2500 Electrical, Lighting and Body Parts

Choose your Part Name for your 2003 GMC Sierra 2500

4WD Switch Accessory Power Relay Air Bag Clockspring Air Bag Impact Sensor Antenna Adapter Anti-Theft Relay Ash Tray Light Bulb Back Up Light Bulb Body Control Module Brake Light Bulb Brake Light Control Module Brake Light Switch Center High Mount Stop Light Center High Mount Stop Light Bulb Center High Mount Stop Light Cover Combination Switch Communication Interface Module Retainer Cornering Light Assembly Courtesy Light Bulb Daytime Running Light Bulb Daytime Running Light Socket Dome Light Bulb Engine Compartment Light Bulb Exterior Multi-Purpose LED Flood Light Fog Light Fog Light Assembly Fog Light Bulb Fog Light Relay Fog Light Screw Glove Box Light Bulb Headlight Assembly Headlight Bulb Headlight Conversion Kit Headlight Fastener Clip Headlight Mounting Panel Bolt Headlight Set Headlight Switch Headlight Wiring Harness Horn Relay Keyless Entry Transmitter License Plate Light Bulb License Plate Light Lens Light Bar Light Bar Mounting Kit Luggage Compartment Light Bulb Map Light Bulb Multi-Purpose Fuse Multi-Purpose Light Bulb Neutral Safety Switch Parking Light Bulb Parking Light Bulb Socket Power Window Motor Power Window Motor and Regulator Assembly Side Marker Light Bulb Speedometer Calibrator Tail Light Assembly Tail Light Bulb Tail Light Circuit Board Tail Light Guard Tail Light Set Trailer Brake System Connector Trailer Connector Kit Trailer Hitch Plug Trailer Wiring Adapter Connector Trailer Wiring Harness Transmission Range Sensor Trunk Light Bulb Trunk or Cargo Area Light Turn Signal / Combination Lever Turn Signal Light Bulb Vehicle Speed Sensor Vehicle-Mounted Spotlight Wheel Accent Light

Showing 1 - 10 of 521 products

Sort:

Show:

Image

SKU

Product

Rating

Price

2003 GMC Sierra 2500 Power Window Motor and Regulator Assembly - Front Left Dorman

Power Window Regulator And Motor Assembly
Product Attributes:
- Attachment Type: Bolt
- Micro-controlled (Embedded Logic): No
- Mounting Hardware Included: No
- Package Contents: 1 Regulator And Motor Assembly
- Installation Instructions Included: No
- Regulator Included: Yes
- Gear Material: Plastic
Features:
- Improved replacement - this window regulator and motor assembly features enhancements over the factory part for greater reliability
- Failure-resistant design - features cable tension springs to resist cable reel binding from medium-term elongation
- Enhanced components - also includes cable guides to eliminate high cable tension and reduce cable stress
- Quality engineering - designed in the United States and backed by decades of automotive aftermarket experience
The original equipment window regulator fails when the cable stresses over time. This Dorman OE FIX replacement features added cable guides and sheathing to counteract elongation and resist reel binding.

This Part Fits the Following OEM/Substitute Numbers:

11A16, 15046509, 15077853, 15095843, 15101785, 1552-1739L, 15755431, 15765393, 19120095, 19120846, 19179943, 20914717, 20945138, 52100, 52400, 660198, 741644, 82-178AR...VIEW MORE

Additional Fitment Information:

Vehicle	Position
2003 - GMC Sierra 2500	Front Left

16 In Stock

$92.79 CAD

$111.35 CAD

Brand	Dorman
Part #	D18741-644
Condition	New
Warehouse	B

2003 GMC Sierra 2500 Power Window Motor and Regulator Assembly - Rear Left Dorman

Power Window Regulator And Motor Assembly
Product Attributes:
- Attachment Type: Bolt
- Micro-controlled (Embedded Logic): No
- Mounting Hardware Included: No
- Package Contents: 1 Regulator And Motor Assembly
- Installation Instructions Included: No
- Regulator Included: Yes
- Gear Material: Plastic
Features:
- Improved replacement - this window regulator and motor assembly features enhancements over the original design for greater reliability
- Failure-resistant design - features cable tension springs to resist cable reel binding from insufficient tension
- Simple replacement - no special tools are required to install this regulator assembly
- Quality engineering - designed in the United States and backed by decades of automotive aftermarket experience
The original equipment window regulator fails when the cable binds because it has poor tension. This Dorman OE FIX replacement regulator incorporates cable tension springs to resist cable reel binding.

This Part Fits the Following OEM/Substitute Numbers:

11A507, 15077722, 15135970, 381296, 741578, 82-178BR, 82212, 88937199, APWR0096, SK741578, WL41578, WLR5001, WPR0531LMB

Additional Fitment Information:

Vehicle	Position	Body
2003 - GMC Sierra 2500	Rear Left	Extended Cab Pickup

8 In Stock

$115.69 CAD

$138.83 CAD

Brand	Dorman
Part #	D18741-578
Condition	New
Warehouse	B

2003 GMC Sierra 2500 Power Window Motor and Regulator Assembly - Front Right Dorman

Power Window Regulator And Motor Assembly
Product Attributes:
- Attachment Type: Bolt
- Micro-controlled (Embedded Logic): No
- Mounting Hardware Included: No
- Package Contents: 1 Regulator And Motor Assembly
- Installation Instructions Included: No
- Regulator Included: Yes
- Gear Material: Plastic
Features:
- Improved replacement - this window regulator and motor assembly features enhancements over the factory part for greater reliability
- Failure-resistant design - features cable tension springs to resist cable reel binding from medium-term elongation
- Enhanced components - also includes cable guides to eliminate high cable tension and reduce cable stress
- Quality engineering - designed in the United States and backed by decades of automotive aftermarket experience
The original equipment window regulator fails when the cable stresses over time. This Dorman OE FIX replacement features added cable guides and sheathing to counteract elongation and resist reel binding.

This Part Fits the Following OEM/Substitute Numbers:

11A15, 15077854, 15095844, 15101786, 15175190, 1552-1739R, 15755430, 15765392, 15842437, 19120096, 19120847, 19179942, 20914718, 20945139, 25866184, 25885809, 52101, 52401...VIEW MORE

Additional Fitment Information:

Vehicle	Position
2003 - GMC Sierra 2500	Front Right

26 In Stock

$92.79 CAD

$111.35 CAD

Brand	Dorman
Part #	D18741-645
Condition	New
Warehouse	B

2003 GMC Sierra 2500 Trailer Hitch Plug Dorman

Trailer Hitch Electrical Connector Plug
7 Way Connector
Product Attributes:
- Package Contents: 1 Connector
Features:
- Direct replacement - this trailer hitch plug matches the fit and function of the factory part on specified years, makes and models
- Ideal solution - this plug is a reliable replacement for an original part that is missing or has failed due to fatigue
- Durable construction - this part is made from quality materials to ensure reliable performance and long service life
- Trustworthy quality - backed by team of product experts in the United States and more than a century of automotive experience
This trailer hitch plug is designed to match the fit and function of the original part on specified vehicles. Made of quality materials, it is engineered for reliable performance.

This Part Fits the Following OEM/Substitute Numbers:

12191503, SK924307

Additional Fitment Information:

Vehicle
2003 - GMC Sierra 2500

3 In Stock

$55.34 CAD

$66.41 CAD

Brand	Dorman
Part #	D18924-307
Condition	New
Warehouse	B

2003 GMC Sierra 2500 4WD Switch Dorman

Four Wheel Drive Selector Switch
w/RPO Code NP8 (2 Speed, Push Button Shift, Transfer Case)
Product Attributes:
- Attached Lead Wires: No
- Mounting Location: Dash
- Package Contents: 1 Switch
- Wiring Harness Included: No
- Terminal Type: Pin
Features:
- Direct replacement - this 4WD switch is made to match the fit and function of the original switch on specific vehicle applications
- Ideal solution - this switch is a reliable replacement for an original part that has failed due to fatigue
- Durable construction - this part is made from quality materials to ensure reliable performance and long service life
- Trustworthy quality - backed by team of product experts in the United States and more than a century of automotive experience
This 4WD switch is designed to match the appearance and function of the original switch on specified applications. Made of quality materials, it is engineered for reliable performance and durability.

This Part Fits the Following OEM/Substitute Numbers:

15136039, 15164520, 19259313, 1S11004, 901072, FWD39, SK901072, SW8268, TCA-47, TCA47

Additional Fitment Information:

Vehicle
2003 - GMC Sierra 2500

1 In Stock

$76.04 CAD

$91.25 CAD

Brand	Dorman
Part #	D18901-072
Condition	New
Warehouse	B

2003 GMC Sierra 2500 Power Window Motor - Rear Left Dorman

Power Window Lift Motor
Product Attributes:
- Hardwired Or Plug-In: Plug-in
- Micro-controlled (Embedded Logic): No
- Mounting Hardware Included: No
- Package Contents: Window Lift Motor
- Window Lift Gear Included: Yes
- Wiring Harness Included: No
- Regulator Included: No
Features:
- Direct replacement - this power window motor is built to match the original lift motor on specific vehicles
- Cost-effective solution - comparable quality for lower cost than buying replacement at the dealership
- Seamless installation - manufactured to fit directly into existing wiring systems
- Trustworthy value - backed by team of engineers and quality control experts in the United States
Window motor worn out? This power window lift motor is precision-engineered to match the fit and performance of the original motor in specific vehicle years, makes and models for a reliable replacement.

Additional Fitment Information:

Vehicle	Position
2003 - GMC Sierra 2500	Rear Left

2 In Stock

$49.05 CAD

$58.86 CAD

Brand	Dorman
Part #	D18742-122
Condition	New
Warehouse	B

2003 GMC Sierra 2500 Power Window Motor - Front Left Dorman

Power Window Lift Motor
Product Attributes:
- Hardwired Or Plug-In: Plug-in
- Micro-controlled (Embedded Logic): No
- Mounting Hardware Included: No
- Package Contents: Window Lift Motor
- Window Lift Gear Included: Yes
- Wiring Harness Included: No
- Regulator Included: No
Features:
- Direct replacement - this power window motor is built to match the original lift motor on specific vehicles
- Cost-effective solution - comparable quality for lower cost than buying replacement at the dealership
- Seamless installation - manufactured to fit directly into existing wiring systems
- Trustworthy value - backed by team of engineers and quality control experts in the United States
Window motor worn out? This power window lift motor is precision-engineered to match the fit and performance of the original motor in specific vehicle years, makes and models for a reliable replacement.

This Part Fits the Following OEM/Substitute Numbers:

11M34, 15095843, 15101785, 42-1036, 42-1066, 42-178, 72982, 82-178, 82982, 88937199, 88981018, WL42031, WLM2016

Additional Fitment Information:

Vehicle	Position
2003 - GMC Sierra 2500	Front Left

2 In Stock

$49.05 CAD

$58.86 CAD

Brand	Dorman
Part #	D18742-122
Condition	New
Warehouse	B

2003 GMC Sierra 2500 Power Window Motor - Rear Right Dorman

Power Window Lift Motor
Product Attributes:
- Hardwired Or Plug-In: Plug-in
- Micro-controlled (Embedded Logic): No
- Mounting Hardware Included: No
- Package Contents: Window Lift Motor
- Window Lift Gear Included: Yes
- Wiring Harness Included: No
- Regulator Included: No
Features:
- Direct replacement - this power window motor is built to match the original lift motor on specific vehicles
- Cost-effective solution - comparable quality for lower cost than buying replacement at the dealership
- Seamless installation - manufactured to fit directly into existing wiring systems
- Trustworthy value - backed by team of engineers and quality control experts in the United States
Window motor worn out? This power window lift motor is precision-engineered to match the fit and performance of the original motor in specific vehicle years, makes and models for a reliable replacement.

This Part Fits the Following OEM/Substitute Numbers:

11M33, 15095844, 15101786, 42-1067, 42-179, 72981, 82-179, 82981, 88937200, 88981019, WL42032, WLM2038

Additional Fitment Information:

Vehicle	Position
2003 - GMC Sierra 2500	Rear Right

3 In Stock

$47.70 CAD

$57.24 CAD

Brand	Dorman
Part #	D18742-123
Condition	New
Warehouse	B

2003 GMC Sierra 2500 Power Window Motor and Regulator Assembly - Rear Right Dorman

Power Window Regulator And Motor Assembly
Product Attributes:
- Attachment Type: Bolt
- Micro-controlled (Embedded Logic): No
- Mounting Hardware Included: No
- Package Contents: 1 Regulator And Motor Assembly
- Installation Instructions Included: No
- Regulator Included: Yes
- Gear Material: Plastic
Features:
- Improved replacement - this window regulator and motor assembly features enhancements over the original design for greater reliability
- Failure-resistant design - features cable tension springs to resist cable reel binding from insufficient tension
- Simple replacement - no special tools are required to install this regulator assembly
- Quality engineering - designed in the United States and backed by decades of automotive aftermarket experience
The original equipment window regulator fails when the cable binds because it has poor tension. This Dorman OE FIX replacement regulator incorporates cable tension springs to resist cable reel binding.

This Part Fits the Following OEM/Substitute Numbers:

11A508, 15135971, 15206913, 381297, 741579, 82179b, 82213, APWR0123, SK741579, WL41579, WLR5004, WPR0532RMB

Additional Fitment Information:

Vehicle	Position	Body
2003 - GMC Sierra 2500	Rear Right	Extended Cab Pickup

Brand	Dorman
Part #	D18741-579
Condition	New
Warehouse	B

2003 GMC Sierra 2500 Daytime Running Light Socket Dorman

Lighting Socket
Leads 2 Way
Features:
- No special tools required for installation
- Easy to install
- Manufactured to strict engineering quality standards
- Constructed of high-quality materials for long-lasting durability
Dorman's Socket Assemblies are engineered with extra-long leads and multiple butt connectors.