2003 GMC Sierra 2500 Keys
Keep Your 2003 GMC Sierra 2500 in Top Shape with Quality Keys
Whether you’re repairing or upgrading your Key, using high-quality parts is key to keeping your 2003 GMC Sierra 2500 looking sharp and performing at its best. At Advance Auto Parts we carry a wide selection of dependable options, including Alarm and Keyless Entry Transmitters, Vehicle Keys, and Key Fobs. Whether you’re replacing a damaged part or enhancing your truck’s style and protection, you’ll find exactly what you need to get the job done right.
Competitive Prices and Extensive Inventory
The average price for a 2003 GMC Sierra 2500 Key at Advance Auto Parts is around $29.19, with a range that starts at $14.99 and goes up to $71.99. With 10 options in stock from 2 trusted brands, finding the right fit is easy. Popular picks like Keyless Entry Remote 3 Button, Keyless Remote Case, American Flag, and Keyless Remote Case start at just $21.99 and offer a great balance of form and function.
Explore Related Parts
While you’re upgrading or replacing your Key, don’t forget to check out other key components like Covers and Storage and Cargo Products. At Advance Auto Parts, we’re here to help you keep your 2003 GMC Sierra 2500 in peak condition, inside and out.
Find Your Specific 2003 GMC Sierra 2500 Keys
Looking for the perfect Key for your 2003 GMC Sierra 2500? You’re in the right place. Below, you’ll find links to various types of Keys that fit your vehicle. At Advance Auto Parts, we offer only the highest quality OEM and aftermarket Keys, ensuring durability and a precise fit for your GMC Sierra 2500. Whether you’re driving a 2003 model or another popular model year like
1999,
2002, and
2004, we’ve got you covered. Purchasing Keys from Advance Auto Parts is a smart choice, giving you access to trusted brands and parts built to perform. Below, you’ll find links to various types of Keys that fit your vehicle.
Essential 2003 GMC Sierra 2500 Keys
iKeyless – The Universal Car Remote (Part No.URCR01SINGLEBOX)
from
$36.49
The name says it all – the Universal Car Remote works like a universal TV remote, but it’s made for cars. It’s designed to work with factory-installed keyless entry systems. It works exactly like a vehicle’s original factory remote, unlocking and locking doors, popping open the trunk – everything an original remote does. The Universal Car Remote has the capabilities of 216 remotes packed into a single device. It replaces factory original remotes for vehicles made by 21 car manufacturers – from Buick to Volkswagen. For the first time ever, you can replace remotes using a single device.
Product Features:
See More
Product Features:
- Introducing world’s first and only universal car remote.
- The Universal Car Remote has the capabilities of 216 remotes packed into a single device
- It replaces factory original remotes for vehicles made by 21 car manufacturers – from Buick to Volkswagen
- Freshly installed battery included
iKeyless – Cadillac/Chevrolet/GMC Keyless Entry Remote – 3 Button (Part No.GM790)
from
$61.99
This item is a genuine OEM (Original Equipment Manufacturer) remote that operates your vehicle’s keyless entry system. This clicker features 3 buttons: LOCK, UNLOCK, and PANIC. This key fob includes a fresh battery, offering prolonged performance and a wide physical range of operation. This clicker enhances security and vehicle entry for all drivers.
Product Features:
See More
Product Features:
- Replacement Fob for Cadillac, Chevrolet, GMC, Hummer, Pontiac, and Saturn Vehicles with FCC ID: LHJ011
- 3 button functions: LOCK, UNLOCK, and PANIC
- Freshly installed battery included
Dorman – Help – Keyless Entry Remote 3 Button (Part No.13733)
from
$71.99
Need a new key fob? This DIY keyless remote is designed to match the appearance and function of the original on specific vehicle years, makes, models and configurations. With easy-to-follow instructions, you can program it yourself in minutes, and rely on it for years.
Product Features:
See More
Product Features:
- Vehicle-specific replacement or spare – this keyless entry transmitter looks and functions like the original fob on certain vehicle years, makes, models and configurations
- Do-it-yourself solution – follow the simple onboard programming procedure in the included instructions to set up your new fob in minutes
- Durable construction – made from quality, drop-resistant components to ensure reliable performance and long service life
- Important notes – you must have at least one of your original keys or fobs for programming process; only for use on vehicles that came originally equipped with keyless entry
Dorman – Help – Keyless Entry Remote 3 Button (Part No.13739)
from
$72.99
Need a new key fob? This DIY keyless remote is designed to match the appearance and function of the original on specific vehicle years, makes, models and configurations. With easy-to-follow instructions, you can program it yourself in minutes, and rely on it for years.
Product Features:
See More
Product Features:
- Vehicle-specific replacement or spare – this keyless entry transmitter looks and functions like the original fob on certain vehicle years, makes, models and configurations
- Do-it-yourself solution – follow the simple onboard programming procedure in the included instructions to set up your new fob in minutes
- Durable construction – made from quality, drop-resistant components to ensure reliable performance and long service life
- Important notes – you must have at least one of your original keys or fobs for programming process; only for use on vehicles that came originally equipped with keyless entry
iKeyless – GM – 3 Button Black Remote Replacement Shell (Part No.GMMT300)
from
$17.99
Sometimes the outer case for your keyless entry remote can be damaged or cracked. Even normal wear and tear can often lead to an unpleasant cosmetic appearance. This replacement shell will have your remote looking sleek and stylish in no time.
Product Features:
See More
Product Features:
- Replacement Case for Select GM Remotes
- Replaces OEM factory-original remote case
Dorman – Help – Keyless Remote Case (Part No.13618)
from
$20.99
Cracked or wore out your key fob case? Want to add a custom look? Just replace the case with this convenient, affordable keyless entry transmitter cover, restoring or enhancing the look.
Product Features:
See More
Product Features:
- Replacement or upgrade – this keyless remote case allows you to simply replace a broken case or upgrade your current look
- Seamless fit – matches dimensions of original transmitter cover for specific vehicle applications for a tight seal
- Reliable construction – keeps moisture and debris out of internal electronics for long service life
- Trustworthy quality – backed by team of product experts and engineers in the United States, and more than a century of experience
Dorman – Help – Keyless Remote Case (Part No.13622)
from
$21.99
Cracked or wore out your key fob case? Want to add a custom look? Just replace the case with this convenient, affordable keyless entry transmitter cover, restoring or enhancing the look.
Product Features:
See More
Product Features:
- Replacement or upgrade – this keyless remote case allows you to simply replace a broken case or upgrade your current look
- Seamless fit – matches dimensions of original transmitter cover for specific vehicle applications for a tight seal
- Reliable construction – keeps moisture and debris out of internal electronics for long service life
- Trustworthy quality – backed by team of product experts and engineers in the United States, and more than a century of experience
iKeyless – GM – 3 Button USA Themed Remote Replacement Shell (Part No.GMMT310US)
from
$17.99
Sometimes the outer case for your keyless entry remote can be damaged or cracked. Even normal wear and tear can often lead to an unpleasant cosmetic appearance. This replacement shell will have your remote looking sleek and stylish in no time.
Product Features:
See More
Product Features:
- GM USA Themed Replacement Remote Case
- Replaces OEM factory-original remote case
- Red, white, and blue American flag theme
iKeyless – GM – 3 Button Camo Themed Remote Replacement Shell (Part No.GMMT310CA)
from
$17.99
Sometimes the outer case for your keyless entry remote can be damaged or cracked. Even normal wear and tear can often lead to an unpleasant cosmetic appearance. This replacement shell will have your remote looking sleek and stylish in no time.
Product Features:
See More
Product Features:
- GM Camo Themed Replacement Remote Case
- Replaces OEM factory-original remote case
- Camouflage theme
Dorman – Help – Keyless Remote Case, Mexico Flag (Part No.13618MX)
from
$14.99
Cracked or wore out your key fob case? Want to add a custom look? Just replace the case with this convenient, affordable keyless entry transmitter cover, restoring or enhancing the look.
Product Features:
See More
Product Features:
- Replacement or upgrade – this keyless remote case allows you to simply replace a broken case or upgrade your current look
- Seamless fit – matches dimensions of original transmitter cover for specific vehicle applications for a tight seal
- Reliable construction – keeps moisture and debris out of internal electronics for long service life
- Trustworthy quality – backed by team of product experts and engineers in the United States, and more than a century of experience
Dorman – Help – Keyless Remote Case, American Flag (Part No.13618US)
from
$21.99
Cracked or wore out your key fob case? Want to add a custom look? Just replace the case with this convenient, affordable keyless entry transmitter cover, restoring or enhancing the look.
Product Features:
See More
Product Features:
- Replacement or upgrade – this keyless remote case allows you to simply replace a broken case or upgrade your current look
- Seamless fit – matches dimensions of original transmitter cover for specific vehicle applications for a tight seal
- Reliable construction – keeps moisture and debris out of internal electronics for long service life
- Trustworthy quality – backed by team of product experts and engineers in the United States, and more than a century of experience
Dorman – Help – Keyless Remote Case (Part No.13618GYC)
from
$21.99
Cracked or wore out your key fob case? Want to add a custom look? Just replace the case with this convenient, affordable keyless entry transmitter cover, restoring or enhancing the look.
Product Features:
See More
Product Features:
- Replacement or upgrade – this keyless remote case allows you to simply replace a broken case or upgrade your current look
- Seamless fit – matches dimensions of original transmitter cover for specific vehicle applications for a tight seal
- Reliable construction – keeps moisture and debris out of internal electronics for long service life
- Trustworthy quality – backed by team of product experts and engineers in the United States, and more than a century of experience
Dorman – Help – Keyless Remote Case (Part No.13622GNC)
from
$17.99
Cracked or wore out your key fob case? Want to add a custom look? Just replace the case with this convenient, affordable keyless entry transmitter cover, restoring or enhancing the look.
Product Features:
See More
Product Features:
- Replacement or upgrade – this keyless remote case allows you to simply replace a broken case or upgrade your current look
- Seamless fit – matches dimensions of original transmitter cover for specific vehicle applications for a tight seal
- Reliable construction – keeps moisture and debris out of internal electronics for long service life
- Trustworthy quality – backed by team of product experts and engineers in the United States, and more than a century of experience
Dorman – Help – Keyless Remote Case (Part No.13622GYC)
from
$17.99
Cracked or wore out your key fob case? Want to add a custom look? Just replace the case with this convenient, affordable keyless entry transmitter cover, restoring or enhancing the look.
Product Features:
See More
Product Features:
- Replacement or upgrade – this keyless remote case allows you to simply replace a broken case or upgrade your current look
- Seamless fit – matches dimensions of original transmitter cover for specific vehicle applications for a tight seal
- Reliable construction – keeps moisture and debris out of internal electronics for long service life
- Trustworthy quality – backed by team of product experts and engineers in the United States, and more than a century of experience
iKeyless – GM Non-Transponder Key (Part No.GMKEY205)
from
$23.99
Keys come in many shapes and sizes. Non-transponder keys, such as these, require no special programming. They will need to be cut by a locksmith or automotive professional.
Product Features:
See More
Product Features:
- Also Fits Chevrolet, Oldsmobile, and Saturn Vehicles
- Requires no special programming
- Comes with uncut key blade
iKeyless – Buick/Cadillac/Chevrolet/GMC Non-Transponder Key (Part No.GMKEY202)
from
$23.99
Keys come in many shapes and sizes. Non-transponder keys, such as these, require no special programming. They will need to be cut by a locksmith or automotive professional.
Product Features:
See More
Product Features:
- Replacement Non-Transponder Key for Buick/Cadillac/Chevrolet/GMC Vehicles
- Requires no special programming
- Comes with uncut key blade
Popular 2003 GMC Sierra 2500 Keys Categories
Most Popular Alarm and Keyless Entry Transmitter for 2003 GMC Sierra 2500s
Enhance your 2003 GMC Sierra 2500 with this popular Alarm and Keyless Entry Transmitter we have in stock, for $61.99.
iKeyless – Cadillac/Chevrolet/GMC Keyless Entry Remote – 3 Button (Part No.GM790)
from
$61.99
This item is a genuine OEM (Original Equipment Manufacturer) remote that operates your vehicle’s keyless entry system. This clicker features 3 buttons: LOCK, UNLOCK, and PANIC. This key fob includes a fresh battery, offering prolonged performance and a wide physical range of operation. This clicker enhances security and vehicle entry for all drivers.
Product Features:
See More
Product Features:
- Replacement Fob for Cadillac, Chevrolet, GMC, Hummer, Pontiac, and Saturn Vehicles with FCC ID: LHJ011
- 3 button functions: LOCK, UNLOCK, and PANIC
- Freshly installed battery included
Best-Selling 2003 GMC Sierra 2500 Vehicle Key
Upgrade your Sierra 2500 with our best-selling Vehicle Key.
iKeyless – Buick/Cadillac/Chevrolet/GMC Non-Transponder Key (Part No.GMKEY202)
from
$23.99
Keys come in many shapes and sizes. Non-transponder keys, such as these, require no special programming. They will need to be cut by a locksmith or automotive professional.
Product Features:
See More
Product Features:
- Replacement Non-Transponder Key for Buick/Cadillac/Chevrolet/GMC Vehicles
- Requires no special programming
- Comes with uncut key blade
Top-Quality Key Fobs for 2003 GMC Sierra 2500s
Choose a high-quality OEM or aftermarket Key Fob for GMC Sierra 2500s and enjoy top-notch performance from $71.99.
Dorman – Help – Keyless Entry Remote 3 Button (Part No.13733)
from
$71.99
Need a new key fob? This DIY keyless remote is designed to match the appearance and function of the original on specific vehicle years, makes, models and configurations. With easy-to-follow instructions, you can program it yourself in minutes, and rely on it for years.
Product Features:
See More
Product Features:
- Vehicle-specific replacement or spare – this keyless entry transmitter looks and functions like the original fob on certain vehicle years, makes, models and configurations
- Do-it-yourself solution – follow the simple onboard programming procedure in the included instructions to set up your new fob in minutes
- Durable construction – made from quality, drop-resistant components to ensure reliable performance and long service life
- Important notes – you must have at least one of your original keys or fobs for programming process; only for use on vehicles that came originally equipped with keyless entry
Top Picks for 2003 GMC Sierra 2500 Remote Key Housings
Invest in one of our 7 durable Remote Key Housings for your 2003 GMC, knowing you’re getting trusted brands and expert craftsmanship.
Dorman – Help – Keyless Remote Case (Part No.13618)
from
$20.99
Cracked or wore out your key fob case? Want to add a custom look? Just replace the case with this convenient, affordable keyless entry transmitter cover, restoring or enhancing the look.
Product Features:
See More
Product Features:
- Replacement or upgrade – this keyless remote case allows you to simply replace a broken case or upgrade your current look
- Seamless fit – matches dimensions of original transmitter cover for specific vehicle applications for a tight seal
- Reliable construction – keeps moisture and debris out of internal electronics for long service life
- Trustworthy quality – backed by team of product experts and engineers in the United States, and more than a century of experience
Dorman – Help – Keyless Remote Case, American Flag (Part No.13618US)
from
$21.99
Cracked or wore out your key fob case? Want to add a custom look? Just replace the case with this convenient, affordable keyless entry transmitter cover, restoring or enhancing the look.
Product Features:
See More
Product Features:
- Replacement or upgrade – this keyless remote case allows you to simply replace a broken case or upgrade your current look
- Seamless fit – matches dimensions of original transmitter cover for specific vehicle applications for a tight seal
- Reliable construction – keeps moisture and debris out of internal electronics for long service life
- Trustworthy quality – backed by team of product experts and engineers in the United States, and more than a century of experience
Dorman – Help – Keyless Remote Case (Part No.13618GYC)
from
$21.99
Cracked or wore out your key fob case? Want to add a custom look? Just replace the case with this convenient, affordable keyless entry transmitter cover, restoring or enhancing the look.
Product Features:
See More
Product Features:
- Replacement or upgrade – this keyless remote case allows you to simply replace a broken case or upgrade your current look
- Seamless fit – matches dimensions of original transmitter cover for specific vehicle applications for a tight seal
- Reliable construction – keeps moisture and debris out of internal electronics for long service life
- Trustworthy quality – backed by team of product experts and engineers in the United States, and more than a century of experience
iKeyless – GM – 3 Button Camo Themed Remote Replacement Shell (Part No.GMMT310CA)
from
$17.99
Sometimes the outer case for your keyless entry remote can be damaged or cracked. Even normal wear and tear can often lead to an unpleasant cosmetic appearance. This replacement shell will have your remote looking sleek and stylish in no time.
Product Features:
See More
Product Features:
- GM Camo Themed Replacement Remote Case
- Replaces OEM factory-original remote case
- Camouflage theme
iKeyless – GM – 3 Button Black Remote Replacement Shell (Part No.GMMT300)
from
$17.99
Sometimes the outer case for your keyless entry remote can be damaged or cracked. Even normal wear and tear can often lead to an unpleasant cosmetic appearance. This replacement shell will have your remote looking sleek and stylish in no time.
Product Features:
See More
Product Features:
- Replacement Case for Select GM Remotes
- Replaces OEM factory-original remote case
iKeyless – GM – 3 Button USA Themed Remote Replacement Shell (Part No.GMMT310US)
from
$17.99
Sometimes the outer case for your keyless entry remote can be damaged or cracked. Even normal wear and tear can often lead to an unpleasant cosmetic appearance. This replacement shell will have your remote looking sleek and stylish in no time.
Product Features:
See More
Product Features:
- GM USA Themed Replacement Remote Case
- Replaces OEM factory-original remote case
- Red, white, and blue American flag theme
Dorman – Help – Keyless Remote Case, Mexico Flag (Part No.13618MX)
from
$14.99
Cracked or wore out your key fob case? Want to add a custom look? Just replace the case with this convenient, affordable keyless entry transmitter cover, restoring or enhancing the look.
Product Features:
See More
Product Features:
- Replacement or upgrade – this keyless remote case allows you to simply replace a broken case or upgrade your current look
- Seamless fit – matches dimensions of original transmitter cover for specific vehicle applications for a tight seal
- Reliable construction – keeps moisture and debris out of internal electronics for long service life
- Trustworthy quality – backed by team of product experts and engineers in the United States, and more than a century of experience
FAQs for 2003 GMC Sierra 2500 Keys
What are the best-selling Keys for 2003 GMC Sierra 2500s?
Out of 10 Keys that fit 2003 GMC Sierra 2500s, the following parts are the top sellers:
- Keyless Entry Remote 3 Button (10998717) – $71.99
- Keyless Remote Case, American Flag (12158105) – $21.99
- Keyless Remote Case (10723498) – $21.99
What’s the price range for 2003 GMC Sierra 2500 Keys?
The prices of Keys for the 2003 GMC Sierra 2500 range from $14.99 up to $71.99 for the most premium parts.
What is the average price of a Key for a 2003 GMC Sierra 2500?
The average price for Keys for the 2003 GMC Sierra 2500 is $29.19. Keep in mind the variety of part types within our Key category, where you are likely to find a wide range of prices across a variety of parts and components.
Does Advance Auto Parts sell Keys for other GMC Sierra 2500 model years?
What are the cheapest Keys for my 2003 GMC Sierra 2500?
The cheapest 2003 GMC Sierra 2500 Keys we carry are:
- Keyless Remote Case, Mexico Flag (50069663) – $14.99
- GM – 3 Button Camo Themed Remote Replacement Shell (12478851) – $17.99
- GM – 3 Button Black Remote Replacement Shell (12478965) – $17.99
- GM – 3 Button USA Themed Remote Replacement Shell (12478988) – $17.99
- Keyless Remote Case (10436618) – $20.99
Does Advance Auto Parts sell Keys for any other 2003 GMC models?
Yes. We stock Keys for 17 other popular 2003 GMC models. Some of the most popular are 2003 Yukon Keys, 2003 Sierra 1500 Keys, 2003 Yukon XL 1500 Keys, 2003 Sierra 2500 HD Keys, and 2003 Yukon XL 2500 Keys.
What are the top-rated Keys that fit the 2003 GMC Sierra 2500?
The one 2003 GMC Sierra 2500 Key we have in stock is the Keyless Remote Case, Mexico Flag. It costs $14.99.
What types of Keys do you sell for my 2003 GMC Sierra 2500?
As of 11/2/25, these are some of the most in-demand types of Keys for a 2003 GMC Sierra 2500:
Can I get help with 2003 GMC Sierra 2500 Key orders?
Contact our customer support team by chat or phone, through the help desk page, where you can find instant answers about GMC Keys and more.
What is your return policy for GMC Sierra 2500 Keys?
Advance Auto Parts keeps returns simple. For new GMC Sierra 2500 Keys and accessories, your online orders can be returned, in their original condition, within 45 days. For requirements, see the returns page.