2003 Hummer H1 Electrical Parts

Essential Electrical Parts for 2003 Hummer H1s

Carquest Premium – Accessory Connector (Part No.PTA2137)

Accessory Connector

from

$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.

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
See More

Carquest Premium – 4WD Switch Connector (Part No.PTA1783)

4WD Switch Connector

from

$33.49
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:
  • 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
See More

Carquest – Multi Function Switch (Part No.S14344)

Multi Function Switch

from

$134.05
High-quality products that meet OE appearance and performance to provide professional technicians and DIYers with a cost-effective solution.

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
See More

Dorman – High Temperature Lighting Harness (Part No.645-998)

High Temperature Lighting Harness

from

$21.29
Dorman offers a comprehensive line of Headlamp Sockets for almost any automotive electrical repair. All our Headlamp Sockets are constructed of high-quality materials for long-lasting durability.

Product Features:
  • Available in many different wire configurations including 1-, 2-, and 3-wire
  • A large selection available to support a variety of bulbs, including H7, 9005, 9006 and more
  • Durably designed for a long service life
  • Also suitable for a broad range of industrial and commercial uses
See More

Upgrade your 2003 Hummer H1 with Top-Quality Electrical Parts

When it comes to maintaining or upgrading your 2003 Hummer H1, nothing is more important than using high-quality OEM or aftermarket parts that you can trust. Whether you’re repairing damage to your Hummer or enhancing its overall performance, Electrical Parts are key to keeping your H1 functioning at its best. At Advance Auto Parts, we offer a wide selection of 4 Electrical Parts for the 2003 Hummer H1, designed to meet your needs without breaking the bank. From Wire Connector replacements to Cruise Control Parts upgrades, we’ve got you covered with parts that fit your vehicle perfectly and ensure long-lasting performance.

Affordable Prices and Wide Selection

Shopping for Electrical Parts for any vehicle can be a hassle, especially if you’re on a budget. But with Advance Auto Parts, you can find high-quality Electrical Parts for your 2003 Hummer H1 at great prices. Our Electrical Parts inventory for this model ranges from just $21.29 to $134.05, with an average price of $56.21. Our 4 Electrical Parts in stock come from 3 trusted brands, so you’re sure to find the right part for your 2003 Hummer H1 without overspending.

Top Brands and High Customer Satisfaction

Advance Auto Parts takes pride in offering only the best brands in the automotive industry. For your 2003 Hummer H1, we stock popular OEM and aftermarket Electrical Parts from top names like Carquest, and more. Carquest Electrical Parts start at just $134.05 and boast an impressive 4 stars average rating from customers. With 6 customer reviews and counting, our 2003 Hummer H1 Electrical Parts have a strong track record of reliability, ensuring you can trust your purchase.

Explore Related Parts and More

While you’re here, don’t forget to check out other essential categories that go hand in hand with Electrical Part upgrades. Explore related part types like Batteries and Chargers, Oil and Lubricants and more to make sure your 2003 Hummer H1 is always ready to roll. We’re committed to providing you with everything you need to keep your H1 in top shape, all in one place. Start shopping confidently below for your 2003 Hummer H1!

Best-Selling Wire Connectors for 2003 Hummer H1s

Enhance the driving experience in your Hummer with 1 quality Wire Connector components, starting at $21.29.

Dorman – High Temperature Lighting Harness (Part No.645-998)

High Temperature Lighting Harness

from

$21.29
Dorman offers a comprehensive line of Headlamp Sockets for almost any automotive electrical repair. All our Headlamp Sockets are constructed of high-quality materials for long-lasting durability.

Product Features:
  • Available in many different wire configurations including 1-, 2-, and 3-wire
  • A large selection available to support a variety of bulbs, including H7, 9005, 9006 and more
  • Durably designed for a long service life
  • Also suitable for a broad range of industrial and commercial uses
See More

Most Popular 2003 Hummer H1 Cruise Control Parts

Customize your Hummer with 3 Cruise Control Parts products like Cruise Control Switches and Cruise Control Switch Connectors, all priced under $134.05.

Carquest – Multi Function Switch (Part No.S14344)

Multi Function Switch

from

$134.05
High-quality products that meet OE appearance and performance to provide professional technicians and DIYers with a cost-effective solution.

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
See More

Carquest Premium – Accessory Connector (Part No.PTA2137)

Accessory Connector

from

$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.

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
See More

Carquest Premium – 4WD Switch Connector (Part No.PTA1783)

4WD Switch Connector

from

$33.49
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:
  • 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
See More

Top-Rated Electrical Parts Brands For Your 2003 Hummer H1

Shop for the best-rated brands offering Electrical Parts and other products for your 2003 Hummer H1s. Below you’ll find some of our best rated Electrical Parts from Carquest, and more. Electrical Parts from these brands that fit a 2003 H1 start at just $134.05 and are rated as high as 4 stars. OEM and aftermarket Electrical Parts don’t get more top quality, durable, and affordable than from the brands below.

Popular Carquest 2003 Hummer H1 Electrical Parts

When it comes to maintaining or upgrading your 2003 Hummer H1, using quality Electrical Parts is essential to ensure durability and a perfect fit. Carquest ticks all of those boxes. We offer a wide selection of Carquest Electrical Parts, specifically designed for the 2003 Hummer H1. With over 1 Carquest brand Electrical Parts in stock, you’re sure to find what you need. The prices for these top-notch parts start as low as $134.05. Plus, with over 6 customer reviews and an average rating of 4 stars, you can trust that our Carquest Electrical Parts will get the job done right. Choose Advance Auto Parts for reliability, quality, and expert-approved parts that keep your vehicle running strong.

Multi Function Switch
from
$134.05

(6)

Multi Function Switch

“Part was as described and works great.”

FAQs for 2003 Hummer H1 Electrical Parts

Which Electrical Parts are best-sellers for 2003 Hummer H1s?

Out of 4 Electrical Parts that fit 2003 Hummer H1s, the following parts are the top sellers:

What’s the price range for 2003 Hummer H1 Electrical Parts?

Electrical Part prices for the 2003 Hummer H1 start at $21.29 and go up to $134.05 for the most premium parts.

What’s the average price of a Electrical Part for a 2003 Hummer H1?

The average price for Electrical Parts for the 2003 Hummer H1 is $56.21. Keep in mind the variety of part types within our Electrical Part category so you are likely to find a wide range of prices across a variety of parts and components.

Does Advance Auto Parts sell Electrical Parts for other Hummer H1 model years?

Yes, we currently carry Electrical Parts for 3 model years of Hummer H1s between 2002 and 2006. Electrical Parts are bought most frequently for the following model years: 2006, 2004, and 2002.

What are the cheapest Electrical Parts for my 2003 Hummer H1?

The cheapest 2003 Hummer H1 Electrical Parts we carry in stock are:

What are the top-rated Electrical Parts that fit the 2003 Hummer H1?

Out of 6 reviews by customers, our 2003 Hummer H1 Electrical Parts have an average customer rating of . These are some of the highest-rated Electrical Part types for the 2003 Hummer H1 and their top-rated products:

What types of Electrical Parts do you sell for my 2003 Hummer H1?

As of 2/5/25, these are some of the most in-demand types of Electrical Parts for a 2003 Hummer H1:

Can I get help with 2003 Hummer H1 Electrical Part orders?

Contact our customer support team, by chat or phone, through the help desk page, where you can find instant answers about Hummer Electrical Parts and more.

What is your return policy for Hummer H1 Electrical Parts?

Advance Auto Parts keeps returns simple. For new Hummer H1 Electrical Parts and accessories, your online orders can be returned, in their original condition, within 45 days. For requirements, see the returns page.