2003 Hummer H2 Heater Hoses
Keep Your 2003 Hummer H2 in Top Shape with Quality Heater Hoses
Whether you’re repairing or upgrading your Heater Hose, using high-quality parts is key to keeping your 2003 Hummer H2 looking sharp and performing at its best. At Advance Auto Parts we carry a wide selection of dependable options, including Heater Hoses and Heater Hose Fittings. 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.
Top-Rated Heater Hoses from Trusted Brands
Looking for a reliable Heater Hose? We’ve got you covered with options from brands you know and trust like Dayco and Dorman. For example, Dayco Heater Hoses start at just $50.99 with an average 4.5 star rating. Dorman offer similar pricing and quality, backed by strong customer feedback. With over 58 reviews and a solid 4.8 star average, you can shop with confidence knowing other Hummer H2 owners approve.
Competitive Prices and Extensive Inventory
The average price for a 2003 Hummer H2 Heater Hose at Advance Auto Parts is around $44.08, with a range that starts at $12.99 and goes up to $137.99. With 16 options in stock from 5 trusted brands, finding the right fit is easy. Popular picks like Dorman Molded Heater Hose: Rubber, 626-557, Dorman Heater Hose Connector, 800-916, and Gates Quick-Lok Heater Hose Connector, 28500 start at just $12.99 and offer a great balance of form and function.
Explore Related Parts
While you’re upgrading or replacing your Heater Hose, don’t forget to check out other key components like Belt Tensioners and Pulleys. At Advance Auto Parts, we’re here to help you keep your 2003 Hummer H2 in peak condition, inside and out.
Find Your Specific 2003 Hummer H2 Heater Hoses
Looking for the perfect Heater Hose for your 2003 Hummer H2? You’re in the right place. Below, you’ll find links to various types of Heater Hoses that fit your vehicle. At Advance Auto Parts, we offer only the highest quality OEM and aftermarket Heater Hoses, ensuring durability and a precise fit for your Hummer H2. Whether you’re driving a 2003 model or another popular model year like
2004,
2005,
2006,
2007,
2008, and
2009, we’ve got you covered. Purchasing Heater Hoses 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 Heater Hoses that fit your vehicle.
Essential 2003 Hummer H2 Heater Hoses
Dorman – Dorman Molded Heater Hose: Rubber, 626-619 (Part No.626-619)
from
$61.99
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.
See More
Dorman – Dorman Engine Heater Hose Assembly, 626-543 (Part No.626-543)
from
$86.99
This replacement engine coolant pipe assembly is designed to match the fit and function of the original assembly on specified makes, years and models, and is engineered for reliable performance and durability.
See More
Gates – Gates ThermalPro Premium Molded Heater Hose, 18623 (Part No.18623)
from
$17.99
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.
See More
Dayco – Dayco Molded Heater Hose EPDM Rubber, 5/8 Inch Diameter, 28 Inch Length, 87848 (Part No.87848)
from
$50.99
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 €œquick connect€ end allows for fast, convenient installation.
See More
Autotecnica – Autotecnica Heater Hose Assembly, GM0619840 (Part No.GM0619840)
from
$28.99
Autotecnica offers high-quality aftermarket parts for a wide variety of Asian and North American passenger cars and trucks, include braking, cooling, driveline, electrical, engine, fuel, HVAC, steering, and suspension categories. Manufactured in strict accordance with ISO/TS 16949 QMS specifications, Autotecnica is the smart choice. Whether you’re a DIY enthusiast or professional technician in need of replacement parts that meet OEM specifications, Autotecnica is an excellent alternative to expensive €œGenuine€ components.
See More
Dayco – Dayco Molded Heater Hose EPDM Rubber, 23/32 Inch Diameter, 12 Inch Length, 88412 (Part No.88412)
from
$59.99
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 €œquick connect€ end allows for fast, convenient installation.
See More
Gates – Gates Quick-Lok Heater Hose Connector, 28500 (Part No.28500)
from
$31.99
Quick-Lok(R)Connectors provide a fast, easy way to connect replacement heater hose on cars and trucks.
See More
Dorman – Dorman Molded Heater Hose: Rubber, 626-557 (Part No.626-557)
from
$55.99
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.
See More
Autotecnica – Autotecnica Heater Hose Assembly, GM0619818 (Part No.GM0619818)
from
$31.49
Autotecnica offers high-quality aftermarket parts for a wide variety of Asian and North American passenger cars and trucks, include braking, cooling, driveline, electrical, engine, fuel, HVAC, steering, and suspension categories. Manufactured in strict accordance with ISO/TS 16949 QMS specifications, Autotecnica is the smart choice. Whether you’re a DIY enthusiast or professional technician in need of replacement parts that meet OEM specifications, Autotecnica is an excellent alternative to expensive €œGenuine€ components.
See More
Gates – Gates ThermalPro Premium Modular Coolant Hose, 22554 (Part No.22554)
from
$67.99
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.
See More
Carquest Premium – Carquest Hose Connector, CH8007 (Part No.CH8007)
from
$137.99
Manufactured to the highest OEM quality standards by an OE Supplier, using proprietary material to stand up to even the most demanding automotive cooling systems. Thermal shock validated and 100% leak tested
See More
Dorman – Dorman Metal Heater Hose Connector 5/8, 800-916HP (Part No.800-916HP)
Dorman – Dorman Heater Hose Connector, 800-916 (Part No.800-916)
from
$12.99
Made of quality materials, this HVAC heater hose connector matches the fit and function of an original equipment connector to restore leak-free performance.
See More
Carquest Premium – Carquest Hose Connector, CH8005 (Part No.CH8005)
from
$46.99
Manufactured to the highest OEM quality standards by an OE Supplier, using proprietary material to stand up to even the most demanding automotive cooling systems. Thermal shock validated and 100% leak tested
See More
Dorman – Dorman Metal Heater Hose Connector – 3/4 in. Tube x 3/4 in. Hose (OE Fix), 800-917HP (Part No.800-917HP)
from
$23.99
The original plastic heater hose connector on select General Motors vehicles often cracks, breaks and leaks over time. This Dorman OE FIX connector is made of metal to help prevent future failures so you don’t have to perform this same repair again any time soon.
See More
Dorman – Dorman Coolant HVAC Connector, 800-917 (Part No.800-917)
from
$15.99
Made of quality materials, this HVAC heater hose connector matches the fit and function of an original equipment connector to restore leak-free performance.
See More
Dorman – Dorman Coolant Connector – Inlet/Outlet 3/4In. Tube x 5/8In. Hose (OE Fix), 800-409HP (Part No.800-409HP)
from
$27.49
HVAC heater hose connectors fail when the plastic material fatigues from heat and vibration. This upgraded Dorman OE FIX replacement connector is made from corrosion-resistant stainless steel for greater durability.
See More
Dorman – Dorman Coolant Connector – Inlet/Outlet 3/4In. Tube x 5/8In. Hose, 800-409 (Part No.800-409)
from
$13.99
Made of quality materials, this HVAC heater hose connector matches the fit and function of an original equipment connector to restore leak-free performance.
See More
Carquest Premium – Carquest Hose Connector, CH8006 (Part No.CH8006)
from
$63.99
Manufactured to the highest OEM quality standards by an OE Supplier, using proprietary material to stand up to even the most demanding automotive cooling systems. Thermal shock validated and 100% leak tested
See More
Autotecnica – Autotecnica Hvac Heater Hose Connector, GM0719745 (Part No.GM0719745)
from
$12.99
Autotecnica offers high-quality aftermarket parts for a wide variety of Asian and North American passenger cars and trucks, include braking, cooling, driveline, electrical, engine, fuel, HVAC, steering, and suspension categories. Manufactured in strict accordance with ISO/TS 16949 QMS specifications, Autotecnica is the smart choice. Whether you’re a DIY enthusiast or professional technician in need of replacement parts that meet OEM specifications, Autotecnica is an excellent alternative to expensive €œGenuine€ components.
See More
Popular 2003 Hummer H2 Heater Hoses Categories
Most Popular Heater Hoses for 2003 Hummer H2s
Enhance your 2003 Hummer H2 with one of the 7 Heater Hoses we have in stock, starting at just $17.99.
Dayco – Dayco Molded Heater Hose EPDM Rubber, 5/8 Inch Diameter, 28 Inch Length, 87848 (Part No.87848)
from
$50.99
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 €œquick connect€ end allows for fast, convenient installation.
See More
Dorman – Dorman Molded Heater Hose: Rubber, 626-557 (Part No.626-557)
from
$55.99
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.
See More
Gates – Gates Quick-Lok Heater Hose Connector, 28500 (Part No.28500)
from
$31.99
Quick-Lok(R)Connectors provide a fast, easy way to connect replacement heater hose on cars and trucks.
See More
Dorman – Dorman Engine Heater Hose Assembly, 626-543 (Part No.626-543)
from
$86.99
This replacement engine coolant pipe assembly is designed to match the fit and function of the original assembly on specified makes, years and models, and is engineered for reliable performance and durability.
See More
Gates – Gates ThermalPro Premium Molded Heater Hose, 18623 (Part No.18623)
from
$17.99
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.
See More
Gates – Gates ThermalPro Premium Modular Coolant Hose, 22554 (Part No.22554)
from
$67.99
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.
See More
Autotecnica – Autotecnica Heater Hose Assembly, GM0619840 (Part No.GM0619840)
from
$28.99
Autotecnica offers high-quality aftermarket parts for a wide variety of Asian and North American passenger cars and trucks, include braking, cooling, driveline, electrical, engine, fuel, HVAC, steering, and suspension categories. Manufactured in strict accordance with ISO/TS 16949 QMS specifications, Autotecnica is the smart choice. Whether you’re a DIY enthusiast or professional technician in need of replacement parts that meet OEM specifications, Autotecnica is an excellent alternative to expensive €œGenuine€ components.
See More
Best-Selling 2003 Hummer H2 Heater Hose Fittings
Upgrade your H2 with one of our 9 best-selling Heater Hose Fittings, earning an average 4.5 stars rating across 57 reviews.
Dorman – Dorman Coolant Connector – Inlet/Outlet 3/4In. Tube x 5/8In. Hose, 800-409 (Part No.800-409)
from
$13.99
Made of quality materials, this HVAC heater hose connector matches the fit and function of an original equipment connector to restore leak-free performance.
See More
Dorman – Dorman Heater Hose Connector, 800-916 (Part No.800-916)
from
$12.99
Made of quality materials, this HVAC heater hose connector matches the fit and function of an original equipment connector to restore leak-free performance.
See More
Dorman – Dorman Coolant HVAC Connector, 800-917 (Part No.800-917)
from
$15.99
Made of quality materials, this HVAC heater hose connector matches the fit and function of an original equipment connector to restore leak-free performance.
See More
Dorman – Dorman Coolant Connector – Inlet/Outlet 3/4In. Tube x 5/8In. Hose (OE Fix), 800-409HP (Part No.800-409HP)
from
$27.49
HVAC heater hose connectors fail when the plastic material fatigues from heat and vibration. This upgraded Dorman OE FIX replacement connector is made from corrosion-resistant stainless steel for greater durability.
See More
Carquest Premium – Carquest Hose Connector, CH8007 (Part No.CH8007)
from
$137.99
Manufactured to the highest OEM quality standards by an OE Supplier, using proprietary material to stand up to even the most demanding automotive cooling systems. Thermal shock validated and 100% leak tested
See More
Carquest Premium – Carquest Hose Connector, CH8006 (Part No.CH8006)
from
$63.99
Manufactured to the highest OEM quality standards by an OE Supplier, using proprietary material to stand up to even the most demanding automotive cooling systems. Thermal shock validated and 100% leak tested
See More
Carquest Premium – Carquest Hose Connector, CH8005 (Part No.CH8005)
from
$46.99
Manufactured to the highest OEM quality standards by an OE Supplier, using proprietary material to stand up to even the most demanding automotive cooling systems. Thermal shock validated and 100% leak tested
See More
Dorman – Dorman Metal Heater Hose Connector – 3/4 in. Tube x 3/4 in. Hose (OE Fix), 800-917HP (Part No.800-917HP)
from
$23.99
The original plastic heater hose connector on select General Motors vehicles often cracks, breaks and leaks over time. This Dorman OE FIX connector is made of metal to help prevent future failures so you don’t have to perform this same repair again any time soon.
See More
Dorman – Dorman Metal Heater Hose Connector 5/8, 800-916HP (Part No.800-916HP)
Top-Rated Heater Hose Brands For Your 2003 Hummer H2
When it comes to finding the perfect Heater Hose for your 2003 Hummer H2, Advance Auto Parts has you covered with a wide selection of high-quality OEM and aftermarket options from 5 trusted brands. We carry the most popular Heater Hose brands including Dayco and Dorman, and more, all known for their exceptional customer ratings (average brand rating of 4.5 stars) and competitive prices, as low as $13.99. Purchasing a Heater Hose from us here at Advance Auto Parts is a smart move for both you and your 2003 Hummer H2, providing peace of mind with parts that meet or exceed OEM standards.
Popular Dayco 2003 Hummer H2 Heater Hoses
If you’re looking for a top-quality Heater Hose for your 2003 Hummer H2, Advance Auto Parts has exactly what you need with our selection of Dayco Heater Hoses. We have 1 Dayco Heater Hoses in stock for this fitment, all known for their durability and precision fit. With prices starting at just $50.99, you’ll find the perfect Heater Hose for your needs and budget. Dayco Heater Hoses for the 2003 Hummer H2 come highly rated, with over 1 customer reviews and an impressive average rating of 4.5 stars. Choosing a Dayco Heater Hose from Advance Auto Parts is a smart move to ensure quality and value for your vehicle.
from
$50.99
(1)
Dayco Molded Heater Hose EPDM Rubber, 5/8 Inch Diameter, 28 Inch Length, 87848
“fit great – put the end next to the firewall on first though!”
Top-Quality Dorman 2003 Hummer H2 Heater Hoses
For those in search of a high-quality Heater Hose for their 2003 Hummer H2, Advance Auto Parts offers a great selection of Dorman Heater Hoses. With 1 Dorman Heater Hoses in stock, you can trust you’re getting top-tier parts designed for durability and a perfect fit. Prices for these Heater Hoses start at just $13.99, giving you a range of options to suit your budget. Backed by over 57 customer ratings and an average rating of 4.2 stars, Dorman Heater Hoses provide both reliability and excellent performance. Choosing a Dorman Heater Hose from Advance Auto Parts is a smart investment in your vehicle’s performance and longevity.
from
$13.99
(57)
Dorman Coolant Connector – Inlet/Outlet 3/4In. Tube x 5/8In. Hose, 800-409
“Some things are better,this is ,use it as a inlet connection instead of the white one ,will endure much better.”
FAQs for 2003 Hummer H2 Heater Hoses
What are the best-selling Heater Hoses for 2003 Hummer H2s?
Out of 16 Heater Hoses that fit 2003 Hummer H2s, the following parts are the top sellers:
- Dorman Molded Heater Hose: Rubber, 626-557 (11839739) – $55.99
- Dorman Heater Hose Connector, 800-916 (11918555) – $12.99
- Gates Quick-Lok Heater Hose Connector, 28500 (10911688) – $31.99
What’s the price range for 2003 Hummer H2 Heater Hoses?
The prices of Heater Hoses for the 2003 Hummer H2 range from $12.99 up to $137.99 for the most premium parts.
What is the average price of a Heater Hose for a 2003 Hummer H2?
The average price for Heater Hoses for the 2003 Hummer H2 is $44.08. Keep in mind the variety of part types within our Heater Hose category, where you are likely to find a wide range of prices across a variety of parts and components.
Does Advance Auto Parts sell Heater Hoses for other Hummer H2 model years?
What are the cheapest Heater Hoses for my 2003 Hummer H2?
The cheapest 2003 Hummer H2 Heater Hoses we carry are:
- Dorman Heater Hose Connector, 800-916 (11918555) – $12.99
- Dorman Coolant Connector – Inlet/Outlet 3/4In. Tube x 5/8In. Hose, 800-409 (22149402) – $13.99
- Dorman Coolant HVAC Connector, 800-917 (11949915) – $15.99
- Gates ThermalPro Premium Molded Heater Hose, 18623 (10909437) – $17.99
- Dorman Metal Heater Hose Connector 5/8, 800-916HP (50327812) – $20.99
What are the top-rated Heater Hoses that fit the 2003 Hummer H2?
Based on 58 reviews by customers, our 2003 Hummer H2 Heater Hoses have an average customer rating of 4.8 stars. These are the highest-rated categories of Heater Hoses for the 2003 Hummer H2 and their top-rated products:
- Heater Hoses
- Dayco Molded Heater Hose EPDM Rubber, 5/8 Inch Diameter, 28 Inch Length, 87848 (10235686) – $50.99
- Heater Hose Fittings
- Dorman Coolant Connector – Inlet/Outlet 3/4In. Tube x 5/8In. Hose, 800-409 (22149402) – $13.99
What types of Heater Hoses do you sell for my 2003 Hummer H2?
As of 8/2/26, these are some of the most in-demand types of Heater Hoses for a 2003 Hummer H2:
Can I get help with 2003 Hummer H2 Heater Hose orders?
Contact our customer support team by chat or phone, through the help desk page, where you can find instant answers about Hummer Heater Hoses and more.
What is your return policy for Hummer H2 Heater Hoses?
Advance Auto Parts keeps returns simple. For new Hummer H2 Heater Hoses and accessories, your online orders can be returned, in their original condition, within 45 days. For requirements, see the returns page.