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 – Multi-Purpose Wire Connector with Leads (Part No.PT2386)
from
$33.99
ACDelco Professional Pigtail Connectors are connectors ready to be spliced into vehicle harnesses, and are a high quality replacement for many vehicles on the road today. These premium aftermarket replacement components are manufactured to meet your expectations for fit, form, and function.
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Product Features:
- Protective outer coverings provide long-lasting durability
- Color-coded wires allow for easy installation
- Manufactured to meet expectations for fit, form, and function
Carquest – A/C Auto Temperature Control Relay (Part No.R3107)
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$18.99
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- Our units are all pre-aligned & pre-adjusted to save installation time and ensure proper switching.
- A lubricated felt pad that lubricates the cam lobes on the vehicles distributor. This reduces wear on the point set rubbing block, extending the usable life of the part.
- Ventilated where available, tungsten contacts, which run cooler and exhibit less erosion.
- The copper-alloy shunt provides superior resistance to breakage, due to the flexing of the moving arm on the point set. It also significantly increases current conductivity over typical steel, shunts.
Littelfuse – Fuse – Maxi Blade 32V 50A: 50 Amp, Red, Maxi, 1 Pack (Part No.MAX50)
from
$4.29
MAXI uses “Diffusion Pill Technology” to provide predictable time delay characteristic and low heat dissipation. MAXI Fuses are primarily used for under hood applications and are products with a high temperature polymer and silver plated blades. Replace commonly used fusible wire or fusible link to protect a high current segment or system of the wiring harness. Ideal for motor powered applications which have large inrush currents. Littelfuse, founded in 1927 and headquartered in Chicago, is an industrial technology manufacturing company empowering a sustainable, connected, and safer world. Across more than 15 countries, and with 17,000 global associates, we partner with customers to design and deliver innovative, reliable solutions.
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Product Features:
- MAXI uses “Diffusion Pill Technology” to provide predictable time delay characteristic and low heat dissipation
- MAXI Fuses are primarily used for under hood applications and are products with a high temperature polymer and silver plated blades.
- Replace commonly used fusible wire or fusible link to protect a high current segment or system of the wiring harness.
- Ideal for motor powered applications which have large inrush currents.
Carquest Premium – Accessory Connector (Part No.PTA2137)
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$35.99
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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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 – Black Multi-Purpose Pigtail (Part No.PT2787)
from
$40.99
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
Dorman – GM Multi-Purpose Connector (Part No.645-595)
from
$35.99
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.
Product Features:
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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
ACDelco – Gray Multi-Purpose Lamp Socket (Part No.LS44)
from
$58.99
ACDelco GM Original Equipment Socket Assemblies securely hold interior and exterior light bulbs and provide the electrical connection required to operate the bulb, and are GM-recommended replacements for your vehicle’s original components. These original equipment socket assemblies 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:
- Provides connection for light bulb contacts to operate bulb
- 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
ACDelco – 7-Way Female Black Multi-Purpose Pigtail (Part No.PT1392)
from
$60.99
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
Dorman – Impact Sensors- Front Bumper (Part No.590-205)
from
$215.99
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
Dorman – Cam, Crank, Mass Air Flow Sensor Connector (Part No.645-785)
from
$37.99
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.
Product Features:
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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 – Instrument Panel Wiring Junction Block Connector (Part No.PTC2936)
from
$395.99
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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Dorman – Push-Pull Rivet-Rocker Panel – 9 mm Hole, 22 mm Stem, 15 mm Head (Part No.963-093D)
from
$4.49
Constructed of quality materials, this multi-purpose retainer provides the same function and versatility as the original equipment retainer ensuring long service life.
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Product Features:
- Ideal replacement – this retainer matches the fit and function of the original equipment retainer for this vehicle application
- Quality material – this retainer is made of durable material for long-lasting service
- Versatile design – this retainer is suitable for a variety of automotive uses
- Excellent value – this part offers original equipment quality at a competitive cost
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
Dorman – Help – Plug Retainer (Part No.57020)
from
$4.99
This 12 volt accessory power outlet cover is designed to match the fit, appearance and function of the original cover on specified vehicles, and is engineered for durability and reliable performance.
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Product Features:
- Direct replacement – this 12 volt accessory power outlet cover is designed to match the fit, appearance and function of the original cover on specified vehicles
- Restores functionality – this cover is made to fully restore appearance and functionality after the original part fails
- 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
Carquest Premium – Accelerator Pedal Sensor Connector (Part No.PTA1636)
from
$62.99
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 – Cross Body Wiring Harness Connector (Part No.PTA2575)
from
$25.99
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 – 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 Premium – Inline Connector (Part No.PTA2247)
from
$114.99
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 – Vapor Canister Purge Solenoid Connector (Part No.PTA1093)
from
$23.99
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 – Communication Interface Module Connector (Part No.PTA2465)
from
$99.99
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
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.
Product Features:
See More
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 – Repair Harness (Part No.PTA1176)
from
$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
ACDelco – Oil Pressure Sender (Part No.P4030568066ACD)
from
$88.68
Oil Pressure Sender
ACDelco – Evaporation Pres Sensor (Part No.E2070451781ACD)
from
$82.96
ACDelco is a global leader in automotive replacement parts and related services and offers quality aftermarket products for most makes and models, including General Motors, Ford, Chrysler, Toyota and Honda. ACDelco has over 100 years of experience in the automotive industry and is a brand of GM Customer Care and After sales, a division of General Motors.
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Carquest Premium – Wiring Harness (Part No.WH3001)
from
$11.99
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 – Fog Light Connector (Part No.PTA1004)
from
$11.49
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
ACDelco – Multi-Purpose Wire Connector (Part No.PT2784)
from
$37.49
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 – Multi Function Switch (Part No.S14344)
from
$134.05
High-quality products that meet OE appearance and performance to provide professional technicians and DIYers with a cost-effective solution.
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Product Features:
- Designed to OE standards for ease of installation
- Our parts are 100% tested to verify both mechanical and electrical switching performance.
- Decades of research to meet all of your needs
- Robust design and high grade materials meet the stringent demands of today’s service professional
- BWD is a global manufacturer of original equipment ignition products, complete quality control is maintained through the manufacturing process from componentry to finished product
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 88 Electrical Parts ranging in price from $2.73 to $673.99, 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 10 different brands like Dorman, Carquest, and Carquest Premium. 2003 GMC Sierra 1500 HD Electrical Parts start as low as $2.73!
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 532 extensive product reviews on 2003 GMC Sierra 1500 HD Electrical Parts. Some of the top-rated Electrical Parts products we carry are A/C Auto Temperature Control Relay with 5.0 stars and Multi Function Switch with 4.8 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 ACDelco Electrical Parts
You’ll find popular ACDelco brand products across Electrical Connectors. All are waiting to get your 2003 GMC Sierra 1500 HD back on the road. Some of the top-rated ACDelco 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 88 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:
