2003 GMC Sierra 1500 HD Electrical Parts
More 2003 GMC Sierra 1500 HD Electrical Parts Categories
If you’re looking for an original Electrical Parts replacement for a 2003 GMC Sierra 1500 HD, you can search through our selection below. You’ll also find aftermarket and OEM Electrical Parts to meet your needs.
Essential 2003 GMC Sierra 1500 HD Electrical Parts
ACDelco – 7-Way Female Gray Multi-Purpose Pigtail (Part No.PT1391)
from
$97.99
ACDelco GM Original Equipment Pigtail Connectors are connectors ready to be spliced into vehicle harnesses, and are GM-recommended replacements for your vehicle’s original components. These original equipment pigtail connectors have been manufactured to fit your GM vehicle, providing the same performance, durability, and service life you expect from General Motors.
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Product Features:
- Protective outer coverings help provide long-lasting durability
- Color-coded wires allow for easy installation
- GM-recommended replacement part for your GM vehicle’s original factory component
- Offering the quality, reliability, and durability of GM OE
- Manufactured to GM OE specification for fit, form, and function
Carquest Premium – Cargo Area Light Connector (Part No.PTA1383)
from
$40.99
Modern vehicles may have 100 or more electrical harness connectors in every operating system of the vehicle. Terminal tension may weaken with time or corrosion may occur within the connector housing making replacement necessary. When replacing any harness-connector assembly approved wire termination methods must be followed to ensure a successful and long-term solution to the original problem is made. A failed terminal connection, terminal corrosion or damaged wire will result in an electrical system fault.
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Product Features:
- CarQuest electrical connectors meet or exceed OE wire gauge, insulation, and terminal material requirements.
WSO – Window Regulator and Motor Assembly (Part No.O3052682517WSO)
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$137.08
The WORLD SOURCEONE Power Window line includes window regulators and motor-regulator assemblies that are competitively priced against remanufactured units and do not require a core trade-in. All WSO window regulators and regulator-motor assemblies come complete and ready for easy installation. The OE quality means increased installer confidence with fewer comebacks. Coverage includes European, and Asian passenger cars and light trucks.
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Product Features:
- Superior, reliable performance compared to competitive products
- Identical to OE for simplified installation and no comebacks
- Durable construction including long life motors, gears, cables and case
- Factory original equipment connectors
- No additional time consuming steps needed for installation
- Vehicle specific fit and function
- Manufactured in ISO Certified facilities
ACDelco – Black Multi-Purpose Pigtail (Part No.PT1825)
from
$61.99
ACDelco GM Original Equipment Pigtail Connectors are connectors ready to be spliced into vehicle harnesses, and are GM-recommended replacements for your vehicle’s original components. These original equipment pigtail connectors have been manufactured to fit your GM vehicle, providing the same performance, durability, and service life you expect from General Motors.
Product Features:
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Product Features:
- Protective outer coverings help provide long-lasting durability
- Color-coded wires allow for easy installation
- GM-recommended replacement part for your GM vehicle’s original factory component
- Offering the quality, reliability, and durability of GM OE
- Manufactured to GM OE specification for fit, form, and function
Carquest Premium – Manifold Absolute Pressure Sensor Connector (Part No.PTA1786)
from
$45.99
CARQUEST premium engine management products provide the right products for a wide range of domestic and import applications. Delivering the highest performance and durability under demanding conditions.
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Carquest – Air Charge Temperature Sensor Connector (Part No.PT191)
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$11.49
BWD is an aftermarket leader, providing a premium line of engine management products. BWD manufactures and distributes high technology critical components for late model domestic and import vehicles. BWD is constantly evolving to give customers the competitive edge they need to compete in today’s ever-changing marketplace.
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Product Features:
- Our control modules feature double wire bonds for better connections, greater dependability and longer life despite being subjected to intense vibration and the tough operating environment
- Copper slug heat sinks provide better heat dissipation to prevent heat from damaging the module
- Our ignition modules will respond to a weak signal from the crankshaft position sensor and begin energizing the coils immediately for better starts in cold weather
- High-temperature polymer housing reducing moisture intrusion and minimizes vibration damage for extended life and improved reliability
- Our ignition modules are durability tested for 500 thermal cycles ranging from -40C to +125C
Carquest Premium – Headlight Switch Connector (Part No.PTA1764)
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$49.49
CARQUEST premium engine management products provide the right products for a wide range of domestic and import applications. Delivering the highest performance and durability under demanding conditions.
Product Features:
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Product Features:
- Premium quality materials for longer service life
- Sealed connections (where applicable) to prevent environmental corrosion and performance issues
- Global coverage for import and/or domestic applications
- OE specified wire gauge to ensure a reliable electrical connection
- Designed to meet or exceed OE specifications in form, fit and function
Carquest Premium – Body Wiring Harness Connector (Part No.PTC1194)
from
$85.99
CARQUEST premium engine management products provide the right products for a wide range of domestic and import applications. Delivering the highest performance and durability under demanding conditions.
Product Features:
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Product Features:
- Premium quality materials for longer service life
- Sealed connections (where applicable) to prevent environmental corrosion and performance issues
- Global coverage for import and/or domestic applications
- OE specified wire gauge to ensure a reliable electrical connection
- Designed to meet or exceed OE specifications in form, fit and function
Carquest Premium – Inline Connector (Part No.PTA1274)
from
$31.49
CARQUEST premium engine management products provide the right products for a wide range of domestic and import applications. Delivering the highest performance and durability under demanding conditions.
Product Features:
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Product Features:
- Premium quality materials for longer service life
- Sealed connections (where applicable) to prevent environmental corrosion and performance issues
- Global coverage for import and/or domestic applications
- OE specified wire gauge to ensure a reliable electrical connection
- Designed to meet or exceed OE specifications in form, fit and function
Carquest Premium – Repair Harness (Part No.PTA2605)
from
$61.99
CARQUEST premium engine management products provide the right products for a wide range of domestic and import applications. Delivering the highest performance and durability under demanding conditions.
Product Features:
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Product Features:
- Premium quality materials for longer service life
- Sealed connections (where applicable) to prevent environmental corrosion and performance issues
- Global coverage for import and/or domestic applications
- OE specified wire gauge to ensure a reliable electrical connection
- Designed to meet or exceed OE specifications in form, fit and function
Carquest Premium – Accessory Power Receptacle Connector (Part No.PTA1817)
from
$24.99
CARQUEST premium engine management products provide the right products for a wide range of domestic and import applications. Delivering the highest performance and durability under demanding conditions.
Product Features:
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Product Features:
- Premium quality materials for longer service life
- Sealed connections (where applicable) to prevent environmental corrosion and performance issues
- Global coverage for import and/or domestic applications
- OE specified wire gauge to ensure a reliable electrical connection
- Designed to meet or exceed OE specifications in form, fit and function
Carquest Premium – Body Wiring Harness Connector (Part No.PTA1563)
from
$44.99
CARQUEST premium engine management products provide the right automatic transmission speed sensor for a wide range of domestic and import applications. Delivering the highest performance and durability under demanding conditions. Designed to meet OE quali
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Product Features:
- Lifecycle tested to meet or exceed OE specifications
- Direct OE replacement
- High strength thermoplastic is resistant to shock, temperature and chemicals. Also protects internal components from moisture and contaminants.
- Global coverage for import and/or domestic applications.
Carquest Premium – Body Wiring Harness Connector (Part No.PTA2051)
from
$38.99
CARQUEST premium engine management products provide the right products for a wide range of domestic and import applications. Delivering the highest performance and durability under demanding conditions.
Product Features:
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Product Features:
- Premium quality materials for longer service life
- Sealed connections (where applicable) to prevent environmental corrosion and performance issues
- Global coverage for import and/or domestic applications
- OE specified wire gauge to ensure a reliable electrical connection
- Designed to meet or exceed OE specifications in form, fit and function
Carquest Premium – Fog Light Switch Connector (Part No.PTA2041)
from
$34.99
CARQUEST premium engine management products provide the right products for a wide range of domestic and import applications. Delivering the highest performance and durability under demanding conditions.
Product Features:
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Product Features:
- Premium quality materials for longer service life
- Sealed connections (where applicable) to prevent environmental corrosion and performance issues
- Global coverage for import and/or domestic applications
- OE specified wire gauge to ensure a reliable electrical connection
- Designed to meet or exceed OE specifications in form, fit and function
Carquest Premium – 4WD Indicator Light Switch Connector (Part No.PTA1019)
from
$31.49
CARQUEST premium engine management products provide the right products for a wide range of domestic and import applications. Delivering the highest performance and durability under demanding conditions.
Product Features:
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Product Features:
- Premium quality materials for longer service life
- Sealed connections (where applicable) to prevent environmental corrosion and performance issues
- Global coverage for import and/or domestic applications
- OE specified wire gauge to ensure a reliable electrical connection
- Designed to meet or exceed OE specifications in form, fit and function
GM Genuine Parts – Multi-Purpose Relay (Part No.12135194)
from
$56.99
GM Genuine Parts Wiring Relays are designed, engineered, and tested to rigorous standards, and are backed by General Motors. These relays help connect or disconnect power to a vehicle accessory when it receives a low voltage signal from a switch. GM Genuine Parts are the true OE parts installed during the production of or validated by General Motors for GM vehicles. Some GM Genuine Parts may have formerly appeared as ACDelco GM Original Equipment (OE).
Product Features:
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Product Features:
- Helps connect or disconnect power to vehicle accessories
- Some GM Genuine Parts may have formerly appeared as ACDelco GM Original Equipment (OE)
- GM Genuine Parts are designed, engineered and tested to rigorous standards, and are backed by General Motors
- GM Engineers design and validate OE parts specifically for your Chevrolet, Buick, GMC, or Cadillac vehicle
- GM regularly updates production and service part designs to integrate new materials and technologies
Dorman – Headlamp Socket (Part No.645-534)
from
$49.99
This license plate light 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.
Product Features:
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Product Features:
- Direct replacement – this license plate light connector matches the appearance and function of the factory hardware on specified applications
- Ideal solution – this connector 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
ACDelco – Multi-Purpose Pigtail (Part No.PT2882)
from
$69.99
ACDelco GM Original Equipment Pigtail Connectors are connectors ready to be spliced into vehicle harnesses, and are GM-recommended replacements for your vehicle’s original components. These original equipment pigtail connectors have been manufactured to fit your GM vehicle, providing the same performance, durability, and service life you expect from General Motors.
Product Features:
See More
Product Features:
- Protective outer coverings help provide long-lasting durability
- Color-coded wires allow for easy installation
- GM-recommended replacement part for your GM vehicle’s original factory component
- Offering the quality, reliability, and durability of GM OE
- Manufactured to GM OE specification for fit, form, and function
Carquest Premium – Fuel Pump Wiring Harness (Part No.WH3009)
from
$14.99
CARQUEST wiring harnesses are designed to replace worn, damaged, or corroded electrical connections, delivering reliable performance and long life.
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Product Features:
- Provides worry-free electrical performance
- Designed to meet or exceed OE specifications
Carquest Premium – ABS Wheel Speed Sensor Connector (Part No.PTA1007)
from
$10.49
CARQUEST premium engine management products provide the right products for a wide range of domestic and import applications. Delivering the highest performance and durability under demanding conditions.
Product Features:
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Product Features:
- Premium quality materials for longer service life
- Sealed connections (where applicable) to prevent environmental corrosion and performance issues
- Global coverage for import and/or domestic applications
- OE specified wire gauge to ensure a reliable electrical connection
- Designed to meet or exceed OE specifications in form, fit and function
Dorman – Front Crash Sensor (Part No.590-214)
from
$225.99
This air bag impact sensor is designed to match the fit and function of the original sensor on specified vehicles, and is engineered for durability and reliable performance.
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Product Features:
- Direct replacement – this air bag impact sensor is designed to match the fit and function of the original sensor on specified vehicles
- Ideal solution – this sensor is a reliable replacement for an original part that has failed due to fatigue or electrical malfunction
- Durable construction – this sensor is made from quality components to ensure reliable performance and a long service life
- Trustworthy quality – backed by team of product experts in the United States and more than a century of automotive experience
ACDelco – Engine Oil Pressure Sensor (Part No.12677836)
from
$83.99
ACDelco GM Original Equipment Multi Purpose Pressure Sensors are designed, engineered, and tested to rigorous standards, and are backed by General Motors. ACDelco GM Original Equipment parts are the true OE parts installed during the production of or validated by General Motors for GM vehicles. Some ACDelco GM Original Equipment parts may have formerly appeared as GM Genuine Parts (OE) or ACDelco Professional.
Product Features:
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Product Features:
- Some ACDelco GM Original Equipment parts may have formerly appeared as GM Genuine Parts (OE) or ACDelco Professional
- ACDelco GM Original Equipment parts are designed, engineered and tested to rigorous standards, and are backed by General Motors.
- GM Engineers design and validate OE parts specifically for your Chevrolet, Buick, GMC, or Cadillac vehicle
- GM regularly updates production and service part designs to integrate new materials and technologies
Dorman – Fuel Sender Connector (Part No.645-300)
from
$57.99
Make better electrical repairs and accessory installations with this pigtail connector. Designed for a clean appearance when installed, it features weatherproof terminals and a locking tab for a reliable quick disconnect electrical connection.
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Product Features:
- Professional appearance – this electrical pigtail is designed for a clean, professional look when installed
- Convenient solution – this pigtail connector allows the circuit to be quickly disconnected for service or occasional use
- Durable construction – this pigtail connector features weatherproof seals and a locking tab for a reliable connection
- Versatile component – this connector can be used in a variety of repairs and custom installations
Carquest Premium – Accessory Wiring Junction Block Connector (Part No.PTA1795)
from
$56.99
CARQUEST premium engine management products provide the right products for a wide range of domestic and import applications. Delivering the highest performance and durability under demanding conditions.
Product Features:
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Product Features:
- Premium quality materials for longer service life
- Sealed connections (where applicable) to prevent environmental corrosion and performance issues
- Global coverage for import and/or domestic applications
- OE specified wire gauge to ensure a reliable electrical connection
- Designed to meet or exceed OE specifications in form, fit and function
ACDelco – A/C Control Relay (Part No.R1142578446ACD)
from
$15.89
A/C Control Relay
Carquest Premium – Inline Connector (Part No.PTA1493)
from
$42.99
CARQUEST premium engine management products provide the right products for a wide range of domestic and import applications. Delivering the highest performance and durability under demanding conditions.
Product Features:
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Product Features:
- Premium quality materials for longer service life
- Sealed connections (where applicable) to prevent environmental corrosion and performance issues
- Global coverage for import and/or domestic applications
- OE specified wire gauge to ensure a reliable electrical connection
- Designed to meet or exceed OE specifications in form, fit and function
ACDelco – 10-Way Female Black Multi-Purpose Pigtail (Part No.PT1105)
from
$97.99
ACDelco GM Original Equipment Pigtail Connectors are connectors ready to be spliced into vehicle harnesses, and are GM-recommended replacements for your vehicle’s original components. These original equipment pigtail connectors have been manufactured to fit your GM vehicle, providing the same performance, durability, and service life you expect from General Motors.
Product Features:
See More
Product Features:
- Protective outer coverings help provide long-lasting durability
- Color-coded wires allow for easy installation
- GM-recommended replacement part for your GM vehicle’s original factory component
- Offering the quality, reliability, and durability of GM OE
- Manufactured to GM OE specification for fit, form, and function
Carquest Premium – ABS Wheel Speed Sensor Connector (Part No.PTA1078)
from
$27.49
CARQUEST premium engine management products provide the right products for a wide range of domestic and import applications. Delivering the highest performance and durability under demanding conditions.
Product Features:
See More
Product Features:
- Premium quality materials for longer service life
- Sealed connections (where applicable) to prevent environmental corrosion and performance issues
- Global coverage for import and/or domestic applications
- OE specified wire gauge to ensure a reliable electrical connection
- Designed to meet or exceed OE specifications in form, fit and function
Popular 2003 GMC Sierra 1500 HD Electrical Parts Categories
2003 GMC Sierra 1500 HD Electrical Parts
You count on your 2003 GMC Sierra 1500 HD to run right. That means taking care of it with regular maintenance, necessary repairs, and the right parts. Advance Auto Parts can help with all of that thanks to our extensive inventory of trusted Electrical Parts. With 114 Electrical Parts ranging in price from $1.29 to $395.99, you’re sure to find everything you need for your 2003 GMC Sierra 1500 HD.
Brands matter. If you want to shop a specific Electrical Parts brand, we stock 13 different brands like Dorman, Carquest, and Carquest Premium. 2003 GMC Sierra 1500 HD Electrical Parts start as low as $1.29!
One of the best ways to find top quality OEM or aftermarket Electrical Parts is by asking professionals. Short of that, you can shop with confidence thanks to our 888 extensive product reviews on 2003 GMC Sierra 1500 HD Electrical Parts. Some of the top-rated Electrical Parts products we carry are Engine Oil Pressure Switch with 4.3 stars and Air Charge Temperature Sensor Connector with 3.9 stars.
Did we mention you can order your Electrical Parts from our online catalog and have them shipped right to your garage? Or, if you feel like seeing the parts first-hand, search for your nearest Advance Auto Parts location above and pick up in-store when you’re ready. Browse our full Electrical Parts inventory for your 2003 GMC Sierra 1500 HD below to get started!
Top-Rated Electrical Parts Brands For Your 2003 GMC Sierra 1500 HD
Trusted Electrical Parts OEM and aftermarket product brands are what Advance Auto Parts specializes in. The brands we work with are sure to keep that 2003 GMC Sierra 1500 HD running right for years to come. In our inventory you’ll find brands like Dorman, Carquest, Carquest Premium, and even more.
Popular Carquest Premium Electrical Parts
You’ll find popular Carquest Premium brand products across Engine Wiring Harnesses. All are waiting to get your 2003 GMC Sierra 1500 HD back on the road. Some of the top-rated Carquest Premium products in these categories are:
Top-Rated Dorman Electrical Parts
If Dorman are what you’re looking for, our inventory holds plenty. We stock Dorman brand Electrical Parts for your 2003 GMC Sierra 1500 HD, and some of our most reviewed Dorman parts include:
FAQs for 2003 GMC Sierra 1500 HD Electrical Parts
What are the most purchased Electrical Parts for the 2003 GMC Sierra 1500 HD?
Out of 114 Electrical Parts for the 2003 GMC Sierra 1500 HD, the most popular in our inventory are:
What are the top-rated 2003 GMC Sierra 1500 HD Electrical Parts?
Top-rated Electrical Parts for your 2003 GMC Sierra 1500 HD based on customer reviews/ratings are:
