2003 GMC Sierra 2500 Heater Hoses
Enhance and Protect Your 2003 GMC Sierra 2500 with Quality Heater Hoses
Maintaining the performance of your 2003 GMC Sierra 2500 starts with choosing the right parts, and a high-quality Heater Hose helps ensure a reliable and efficient vehicle. At Advance Auto Parts, we offer Heater Hoses specifically for the 2003 GMC Sierra 2500, ensuring a perfect fit and lasting durability. Choosing to shop with Advance Auto Parts means you’re making a smart decision to prioritize both quality and reliability for your vehicle.
Affordable and Reliable Heater Hoses for Every Budget
Finding a Heater Hose that combines quality with affordability is easy at Advance Auto Parts. With prices starting as low as $13.79 and an average price of $48.00, you can choose one that fits your budget while delivering the quality you expect. Our Heater Hoses are competitively priced, ranging from $13.79 to $68.99, so you get value without compromising on strength or reliability.
Trusted Brands and Top-Rated Options
With 9 Heater Hoses from 3 trusted brands in stock, Advance Auto Parts has you covered. Our Heater Hoses for the 2003 GMC Sierra 2500 have earned reviews from over 70 customers, with an average 5 stars rating across the board. Popular options include Molded Heater Hose; EPDM Rubber, 23/32 Inch Diameter, 12 Inch Length, Molded Heater Hose: Rubber/Plastic, and Molded Heater Hose: Rubber, starting at $50.99. Our selection includes highly regarded brands such as Dorman, Dayco, and Gates, and more, offering you top-notch reliability. For example, we have 2 Dorman Heater Hoses starting at $50.99 with an average rating of 4 stars, 3 Dayco options from $21.29 with a 5 stars rating, and 4 Gates Heater Hoses priced from $13.79 with a 4 stars average rating.
Explore Related Parts for a Complete Solution
To further enhance your 2003 GMC Sierra 2500, don’t miss our related parts categories, including Heater Hose Fittings. These additions will round out your repair or upgrade project and ensure your vehicle is ready for any adventure.
Heater Hoses for Your 2003 GMC Sierra 2500
Dayco – Molded Heater Hose; EPDM Rubber, 23/32 Inch Diameter, 12 Inch Length (Part No.88412)
from
$60.99
Providing reliable service in applications requiring molded hoses in small diameters, the Dayco small I.D. heater hose is designed to replace OEM coolant hoses. Made with the same bends and routing as the original assembly, this molded hose is meant to fit the vehicle precisely. The knitted reinforcement and synthetic EPDM construction provide high-strength performance and resistance to detrimental environmental elements, coolants and temperature variations of -40°F (-40°C) to +257°F (+125°C) and the “quick connect” end allows for fast, convenient installation.
Product Features:
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Product Features:
- Meets the requirements of SAE J20R3, Class D-1
- Designed to meet Type EC electro-chemical requirements as specified in SAE J1684, which prevents inner tube deterioration caused by the build-up of static electric charges
- Engineered as an OEM replacement
- The knitted polyester reinforcement provides high burst strength and resists degradation from temperature extremes and moisture
Dorman – Molded Heater Hose: Rubber/Plastic (Part No.626-111)
from
$58.99
This replacement HVAC heater hose assembly is engineered to match the fit and durability of the stock heater hose assembly on specified vehicles. It is designed to withstand extreme temperature changes to extend service life.
Product Features:
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Product Features:
- Ideal replacement – this HVAC heater hose assembly directly replaces the original heater hose on specified vehicle years, makes and models
- Durable construction – this part is specifically designed to withstand extreme temperature changes and resist cracking and leaking
- Cost-effective and reliable – offers original manufacturer quality at lower cost than getting replacement at dealer
- Industry-leading design – professionally engineered by the aftermarket leader in heater hose assemblies
Dayco – Molded Heater Hose; EPDM Rubber, 5/8 Inch Diameter, 36 Inch Length (Part No.80405)
from
$21.29
Providing reliable service in applications requiring molded hoses, the Dayco heater hose is designed to replace OEM coolant hoses. Made with the same bends and routing as the original assembly, this molded hose is meant to fit the vehicle precisely. The knitted reinforcement and synthetic EPDM construction provide high-strength performance and resistance to detrimental environmental elements, coolants and temperature variations of -40°F (-40°C) to +257°F (+125°C) and the “quick connect” end allows for fast, convenient installation.
Product Features:
See More
Product Features:
- Meets the requirements of SAE J20R3, Class D-1
- Designed to meet Type EC electro-chemical requirements as specified in SAE J1684, which prevents inner tube deterioration caused by the build-up of static electric charges
- Engineered as an OEM replacement
- Meets Type EC electro-chemical requirements as specified in SAE J1684
Dorman – Molded Heater Hose: Rubber (Part No.626-557)
from
$50.99
This replacement HVAC heater hose assembly is engineered to match the fit and durability of the stock heater hose assembly on specified vehicles. It is designed to withstand extreme temperature changes to extend service life.
Product Features:
See More
Product Features:
- Ideal replacement – this HVAC heater hose assembly directly replaces the original heater hose on specified vehicle years, makes and models
- Durable construction – this part is specifically designed to withstand extreme temperature changes and resist cracking and leaking
- Cost-effective and reliable – offers original manufacturer quality at lower cost than getting replacement at dealer
- Industry-leading design – professionally engineered by the aftermarket leader in heater hose assemblies
Gates – Premium Molded Heater Hose (Part No.18126)
from
$35.99
Gates Small I.D. Molded Coolant Hose is factory-molded, OEM style hose to fit today’s smaller, tighter-fitting engine compartments. Can be used for coolant, water and air applications. Approved for marine applications.
Product Features:
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Product Features:
- Has all the quality features of Gates molded coolant hose and similar to OEM specifications
- Engineered to resist electrochemical degradation ┐ the leading cause of hose failure
- EPDM tube, synthetic fiber knit reinforcement, EPDM cover
- Meets SAE 20R3 Type EC Class D-1 and D-2 specifications
- Temperature Range: -40 Deg. F to 275 Deg. F (-40 Deg. C -135 Deg. C)
- Note: Gates recommends replacing hose clamps each time a new coolant hose is installed
- Caution: Do not use for fuel or oil transfer applications
Gates – Premium Molded Heater Hose (Part No.18622)
from
$56.99
Gates Small I.D. Molded Coolant Hose is factory-molded, OEM style hose to fit today’s smaller, tighter-fitting engine compartments. Can be used for coolant, water and air applications. Approved for marine applications.
Product Features:
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Product Features:
- Has all the quality features of Gates molded coolant hose and similar to OEM specifications
- Engineered to resist electrochemical degradation ┐ the leading cause of hose failure
- EPDM tube, synthetic fiber knit reinforcement, EPDM cover
- Meets SAE 20R3 Type EC Class D-1 and D-2 specifications
- Temperature Range: -40 Deg. F to 275 Deg. F (-40 Deg. C -135 Deg. C)
- Note: Gates recommends replacing hose clamps each time a new coolant hose is installed
- Caution: Do not use for fuel or oil transfer applications
Gates – Premium Molded Heater Hose (Part No.18623)
from
$13.79
Gates Small I.D. Molded Coolant Hose is factory-molded, OEM style hose to fit today’s smaller, tighter-fitting engine compartments. Can be used for coolant, water and air applications. Approved for marine applications.
Product Features:
See More
Product Features:
- Has all the quality features of Gates molded coolant hose and similar to OEM specifications
- Engineered to resist electrochemical degradation ┐ the leading cause of hose failure
- EPDM tube, synthetic fiber knit reinforcement, EPDM cover
- Meets SAE 20R3 Type EC Class D-1 and D-2 specifications
- Temperature Range: -40 Deg. F to 275 Deg. F (-40 Deg. C -135 Deg. C)
- Note: Gates recommends replacing hose clamps each time a new coolant hose is installed
- Caution: Do not use for fuel or oil transfer applications
Gates – Premium Modular Coolant Hose (Part No.22554)
from
$63.99
Modular coolant hoses are on many of today’s vehicles and are much more complex than the standard molded hoses of the past. Modular coolant hoses are hose assemblies with one or more components built into the hose. Some examples of these components include hose branches, quick connectors, valves, sensors, bleeders and flow restrictors. Manufactured identical or equivalent to the OE hose, modular coolant hoses will keep your vehicle’s cooling system running properly and efficiently for years to come.
Product Features:
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Product Features:
- Specifically-engineered materials resist collapse under vacuum
- Engineered to resist electrochemical degradation ┐ the leading cause of hose failure
- EPDM tube: synthetic fiber knit reinforcement, heat-, ozone- and chemical coolant-resistant EPDM cover
- Manufactured with OEM-exact hose components (quick connects, branch connectors/tees, sensors, etc.)
- Meets SAE 20R3 EC Class D1 under 25mm (1 in.) ID, SAE 20R4 EC Class D1 for 25mm (1 in.) ID and over
- Temperature Range: -40 Deg. F to +257 Deg. F (-40 Deg. C to +125 Deg. C)
- Note: Gates recommends replacing clamps each time a new coolant hose is installed
- Caution: Do not use for fuel or oil transfer applications
Dayco – Molded Heater Hose; EPDM Rubber, 3/4 Inch Diameter, 15 1/2 Inch Length (Part No.87959)
from
$68.99
Providing reliable service in applications requiring molded hoses in small diameters, the Dayco small I.D. heater hose is designed to replace OEM coolant hoses. Made with the same bends and routing as the original assembly, this molded hose is meant to fit the vehicle precisely. The knitted reinforcement and synthetic EPDM construction provide high-strength performance and resistance to detrimental environmental elements, coolants and temperature variations of -40°F (-40°C) to +257°F (+125°C) and the “quick connect” end allows for fast, convenient installation.
Product Features:
See More
Product Features:
- Meets the requirements of SAE J20R3, Class D-1
- Designed to meet Type EC electro-chemical requirements as specified in SAE J1684, which prevents inner tube deterioration caused by the build-up of static electric charges
- Engineered as an OEM replacement
- The knitted polyester reinforcement provides high burst strength and resists degradation from temperature extremes and moisture
FAQs for 2003 GMC Sierra 2500 Heater Hoses
Which Heater Hoses are the top sellers for the 2003 GMC Sierra 2500?
Out of 9 Heater Hoses that fit 2003 GMC Sierra 2500s, the following parts are the top sellers:
How can I make sure that a part will be compatible with my 2003 GMC Sierra 2500?
Our GMC Sierra 2500 aftermarket and OEM parts are designed specifically for the 2003 model. You can always find your specific fitment and compatibility for your 2003 GMC on an individual product page.
What is the price range for 2003 GMC Sierra 2500 Heater Hoses?
The range of prices of Heater Hoses for the 2003 GMC Sierra 2500 goes from $13.79 up to $68.99 for the most premium parts.
What is the average price of a 2003 GMC Sierra 2500 Heater Hose?
Does Advance Auto Parts sell Heater Hoses for other GMC Sierra 2500 model years?
Can I get help with 2003 GMC Sierra 2500 Heater Hose orders?
Contact our customer support team, by chat or phone, through the help desk page, where you can find instant answers about GMC Heater Hoses and more.
What is your return policy for GMC Sierra 2500 Heater Hoses?
Advance Auto Parts keeps returns simple. For new GMC Sierra 2500 Heater Hoses and accessories, your online orders can be returned, in their original condition, within 45 days. For requirements, see the returns page.
Heater Hoses For Other GMC Sierra 2500 Model Years
Looking for parts for a different model year of the GMC Sierra 2500? Below, you’ll find links to Heater Hoses for a range of model years, from 1999 models all the way up to 2004. At Advance Auto Parts, we carry high-quality OEM and aftermarket auto parts for popular years like 1999, 2002, 2004, and more, ensuring you have access to the best options for your specific needs. Choosing a Heater Hose from Advance Auto Parts means investing in top-tier parts that will keep your GMC Sierra 2500 running at its best, no matter the year.
