2003 GMC Sierra 3500 Engine Control Modules (ECM)
Keep Your 2003 GMC Sierra 3500 in Top Shape with Quality Engine Control Modules (ECM)
Whether you’re repairing or upgrading your Engine Control Modules (ECM), using high-quality parts is key to keeping your 2003 GMC Sierra 3500 looking sharp and performing at its best. At Advance Auto Parts we carry a wide selection of dependable options, including Powertrain Control Module Connectors and Body Control Computers. 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 3500 Engine Control Modules (ECM) at Advance Auto Parts is around $209.66, with a range that starts at $30.99 and goes up to $328.99. With 3 options in stock from 2 trusted brands, finding the right fit is easy. Popular picks like Remanufactured Body Control Module, Remanufactured Body Control Module, and 2-Way Female Black Multi-Purpose Pigtail start at just $30.99 and offer a great balance of form and function.
Explore Related Parts
While you’re upgrading or replacing your Engine Control Modules (ECM), don’t forget to check out other key components like Engine Gaskets and Seals and Engine Timing Parts. At Advance Auto Parts, we’re here to help you keep your 2003 GMC Sierra 3500 in peak condition, inside and out.
Find Your Specific 2003 GMC Sierra 3500 Engine Control Modules (ECM)s
Looking for the perfect Engine Control Modules (ECM) for your 2003 GMC Sierra 3500? You’re in the right place. Below, you’ll find links to various types of Engine Control Modules (ECM) that fit your vehicle. At Advance Auto Parts, we offer only the highest quality OEM and aftermarket Engine Control Modules (ECM)s, ensuring durability and a precise fit for your GMC Sierra 3500. Whether you’re driving a 2003 model or another popular model year like
2001,
2002,
2004,
2005,
2006, and
2007, we’ve got you covered. Purchasing Engine Control Modules (ECM)s 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 Engine Control Modules (ECM)s that fit your vehicle.
Essential 2003 GMC Sierra 3500 Engine Control Modules (ECM)
Dorman – Remanufactured Body Control Module (Part No.502-008)
from
$268.99
This remanufactured body control module (BCM) is thoroughly tested and refurbished as required to restore various accessory functions and prevent damage to related components.
Product Features:
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Product Features:
- Thoroughly remanufactured – this body control module has been rebuilt in a dedicated electronics manufacturing facility in North America
- Durable construction – this control module has been thoroughly refurbished for reliable performance
- Cost-effective solution – offers original equipment quality at a better price than a new part
- Quality tested – this module has been individually tested to confirm function and performance
Cardone – Remanufactured Body Control Computer (Part No.73-0747F)
from
$132.99
CARDONE Remanufactured Body Control Modules are designed to meet or exceed O.E. performance. Reverse engineering provides insight into how and why the unit originally failed, allowing our engineers to identify and correct original design weaknesses. All critical components are re-soldered or replaced at our Philadelphia manufacturing plant, and each unit is 100 percent computer tested to ensure reliability. CARDONE is committed to getting your vehicle back to peak performance.
Product Features:
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Product Features:
- 100 percent re-soldering of critical components ensures superior electrical connections, prevents intermittent failures and extends product life.
- All modules are 100 percent tested with automated computerized test equipment to ensure functionality and reliability.
- Each unit comes loaded with the latest O.E. software calibration available, where applicable.
- On-car validation routines ensure that modules meet all form, fit, durability and performance requirements.
- As a remanufactured Original Equipment part, this unit guarantees a perfect vehicle fit.
- Our remanufacturing process is earth-friendly, as it reduces the energy and raw material needed to make a new part by 80 percent.
Cardone – Remanufactured Body Control Computer (Part No.73-1074F)
from
$132.99
CARDONE Remanufactured Body Control Modules are designed to meet or exceed O.E. performance. Reverse engineering provides insight into how and why the unit originally failed, allowing our engineers to identify and correct original design weaknesses. All critical components are re-soldered or replaced at our Philadelphia manufacturing plant, and each unit is 100 percent computer tested to ensure reliability. CARDONE is committed to getting your vehicle back to peak performance.
Product Features:
See More
Product Features:
- 100 percent re-soldering of critical components ensures superior electrical connections, prevents intermittent failures and extends product life.
- All modules are 100 percent tested with automated computerized test equipment to ensure functionality and reliability.
- Each unit comes loaded with the latest O.E. software calibration available, where applicable.
- On-car validation routines ensure that modules meet all form, fit, durability and performance requirements.
- As a remanufactured Original Equipment part, this unit guarantees a perfect vehicle fit.
- Our remanufacturing process is earth-friendly, as it reduces the energy and raw material needed to make a new part by 80 percent.
Dorman – Remanufactured Body Control Module (Part No.502-007)
from
$328.99
This remanufactured body control module (BCM) is thoroughly tested and refurbished as required to restore various accessory functions and prevent damage to related components.
Product Features:
See More
Product Features:
- Thoroughly remanufactured – this body control module has been rebuilt in a dedicated electronics manufacturing facility in North America
- Durable construction – this control module has been thoroughly refurbished for reliable performance
- Cost-effective solution – offers original equipment quality at a better price than a new part
- Quality tested – this module has been individually tested to confirm function and performance
GM Genuine Parts – 2-Way Female Black Multi-Purpose Pigtail (Part No.PT118)
from
$30.99
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
Popular 2003 GMC Sierra 3500 Engine Control Modules (ECM) Categories
Most Popular Powertrain Control Module Connector for 2003 GMC Sierra 3500s
Enhance your 2003 GMC Sierra 3500 with this popular Powertrain Control Module Connector we have in stock, for $30.99.
GM Genuine Parts – 2-Way Female Black Multi-Purpose Pigtail (Part No.PT118)
from
$30.99
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
Best-Selling 2003 GMC Sierra 3500 Body Control Computers
Upgrade your Sierra 3500 with one of our 2 best-selling Body Control Computers.
Dorman – Remanufactured Body Control Module (Part No.502-007)
from
$328.99
This remanufactured body control module (BCM) is thoroughly tested and refurbished as required to restore various accessory functions and prevent damage to related components.
Product Features:
See More
Product Features:
- Thoroughly remanufactured – this body control module has been rebuilt in a dedicated electronics manufacturing facility in North America
- Durable construction – this control module has been thoroughly refurbished for reliable performance
- Cost-effective solution – offers original equipment quality at a better price than a new part
- Quality tested – this module has been individually tested to confirm function and performance
Dorman – Remanufactured Body Control Module (Part No.502-008)
from
$268.99
This remanufactured body control module (BCM) is thoroughly tested and refurbished as required to restore various accessory functions and prevent damage to related components.
Product Features:
See More
Product Features:
- Thoroughly remanufactured – this body control module has been rebuilt in a dedicated electronics manufacturing facility in North America
- Durable construction – this control module has been thoroughly refurbished for reliable performance
- Cost-effective solution – offers original equipment quality at a better price than a new part
- Quality tested – this module has been individually tested to confirm function and performance
FAQs for 2003 GMC Sierra 3500 Engine Control Modules (ECM)s
What are the best-selling Engine Control Modules (ECM)s for 2003 GMC Sierra 3500s?
Out of 3 Engine Control Modules (ECM)s that fit 2003 GMC Sierra 3500s, the following parts are the top sellers:
- Remanufactured Body Control Module (10924956) – $328.99
- Remanufactured Body Control Module (10924955) – $268.99
- 2-Way Female Black Multi-Purpose Pigtail (11895046) – $30.99
What’s the price range for 2003 GMC Sierra 3500 Engine Control Modules (ECM)?
The prices of Engine Control Modules (ECM) for the 2003 GMC Sierra 3500 range from $30.99 up to $328.99 for the most premium parts.
What is the average price of an Engine Control Modules (ECM) for a 2003 GMC Sierra 3500?
The average price for Engine Control Modules (ECM)s for the 2003 GMC Sierra 3500 is $209.66. Keep in mind the variety of part types within our Engine Control Modules (ECM) category, where you are likely to find a wide range of prices across a variety of parts and components.
Does Advance Auto Parts sell Engine Control Modules (ECM) for other GMC Sierra 3500 model years?
What are the cheapest Engine Control Modules (ECM) for my 2003 GMC Sierra 3500?
The cheapest 2003 GMC Sierra 3500 Engine Control Modules (ECM) we carry are:
- 2-Way Female Black Multi-Purpose Pigtail (11895046) – $30.99
- Remanufactured Body Control Module (10924955) – $268.99
- Remanufactured Body Control Module (10924956) – $328.99
Does Advance Auto Parts sell Engine Control Modules (ECM) for any other 2003 GMC models?
Yes. We stock Engine Control Modules (ECM) for 11 other popular 2003 GMC models. Some of the most popular are 2003 Yukon Engine Control Modules (ECM), 2003 Sierra 1500 Engine Control Modules (ECM), 2003 Yukon XL 1500 Engine Control Modules (ECM), 2003 Sierra 2500 HD Engine Control Modules (ECM), and 2003 Yukon XL 2500 Engine Control Modules (ECM).
What types of Engine Control Modules (ECM) do you sell for my 2003 GMC Sierra 3500?
As of 11/2/25, these are some of the most in-demand types of Engine Control Modules (ECM) for a 2003 GMC Sierra 3500:
Can I get help with 2003 GMC Sierra 3500 Engine Control Modules (ECM) orders?
Contact our customer support team by chat or phone, through the help desk page, where you can find instant answers about GMC Engine Control Modules (ECM) and more.
What is your return policy for GMC Sierra 3500 Engine Control Modules (ECM)?
Advance Auto Parts keeps returns simple. For new GMC Sierra 3500 Engine Control Modules (ECM) and accessories, your online orders can be returned, in their original condition, within 45 days. For requirements, see the returns page.