2003 GMC Yukon Heater Hoses

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Keep Your 2003 GMC Yukon 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 GMC Yukon looking sharp and performing at its best. At Advance Auto Parts we carry a wide selection of dependable options, including Heater Hose Fittings and Heater Hoses. 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 Dorman and Dayco. For example, Dorman Heater Hoses start at just $13.99 with an average 4.2 star rating. Dayco offer similar pricing and quality, backed by strong customer feedback. With over 812 reviews and a solid 4.5 star average, you can shop with confidence knowing other GMC Yukon owners approve.

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 GMC Yukon in peak condition, inside and out.

Essential 2003 GMC Yukon Heater Hoses

Dorman – Dorman Molded Heater Hose: Rubber/Plastic, 626-111 (Part No.626-111)

Dorman Molded Heater Hose: Rubber/Plastic, 626-111

from

$53.99
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.
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Gates – Gates Safety Stripe Standard Straight Heater Hose (Sold by foot), 28408 (Part No.28408)

Gates Safety Stripe Standard Straight Heater Hose (Sold by foot), 28408

from

$1.99
We are proud to offer this CARQUEST product line: CARQUEST Premium Heater Hose By Gates
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Dorman – Dorman Engine Heater Hose Assembly (OE Fix), 626-683 (Part No.626-683)

Dorman Engine Heater Hose Assembly (OE Fix), 626-683

from

$88.99
Original equipment HVAC heater hose assemblies often fail due to cracks in the plastic Y-connector. This Dorman OE FIX replacement features an upgraded aluminum Y-connector to prevent similar failures in the future.
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Dorman – Dorman Engine Heater Hose Assembly (OE Fix), 626-553 (Part No.626-553)

Dorman Engine Heater Hose Assembly (OE Fix), 626-553

from

$64.99
Original equipment HVAC heater hose assemblies often fail due to cracks in the plastic Y-connector. This Dorman OE FIX replacement features an upgraded aluminum Y-connector to prevent similar failures in the future.
See More

Gates – Gates Premium Molded Heater Hose, 18622 (Part No.18622)

Gates Premium Molded Heater Hose, 18622

from

$77.99
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.
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Dayco – Dayco Molded Heater Hose EPDM Rubber, 5/8 Inch Diameter, 28 Inch Length, 87848 (Part No.87848)

Dayco Molded Heater Hose EPDM Rubber, 5/8 Inch Diameter, 28 Inch Length, 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.
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Gates – Gates ThermalPro Premium Molded Heater Hose, 18083 (Part No.18083)

Gates ThermalPro Premium Molded Heater Hose, 18083

from

$44.99
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

Dorman – Dorman Molded Heater Hose: Rubber, 626-564 (Part No.626-564)

Dorman Molded Heater Hose: Rubber, 626-564

from

$51.99
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 Premium Molded Heater Hose, 12118 (Part No.12118)

Gates Premium Molded Heater Hose, 12118

from

$128.99
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, 3/4 Inch Diameter, 7 Inch Length, 88432 (Part No.88432)

Dayco Molded Heater Hose EPDM Rubber, 3/4 Inch Diameter, 7 Inch Length, 88432

from

$16.49
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 ThermalPro Premium Molded Heater Hose, 18623 (Part No.18623)

Gates ThermalPro Premium Molded Heater Hose, 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, 26 1/2 Inch Length, 87740 (Part No.87740)

Dayco Molded Heater Hose EPDM Rubber, 5/8 Inch Diameter, 26 1/2 Inch Length, 87740

from

$31.49
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, 626-105 (Part No.626-105)

Dorman Molded Heater Hose: Rubber, 626-105

from

$52.99
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 Molded Heater Hose: Rubber, 626-619 (Part No.626-619)

Dorman Molded Heater Hose: Rubber, 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

Carquest Premium – Carquest Hose Connector, CH8000 (Part No.CH8000)

Carquest Hose Connector, CH8000

from

$41.99
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 Coolant Connector – Inlet/Outlet 3/4In. Tube x 5/8In. Hose (OE Fix), 800-409HP (Part No.800-409HP)

Dorman Coolant Connector - Inlet/Outlet 3/4In. Tube x 5/8In. Hose (OE Fix), 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 Cooling Quick Connector, 800-413 (Part No.800-413)

Dorman Cooling Quick Connector, 800-413

from

$25.99
Made of quality materials, this HVAC heater hose connector matches the fit and function of an original equipment connector to restore leak-free performance.
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Dorman – Dorman Heater Hose Connector, 800-916 (Part No.800-916)

Dorman Heater Hose Connector, 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 Metal Heater Hose Connector (Oe Fix), 800-414HP (Part No.800-414HP)

Dorman Metal Heater Hose Connector (Oe Fix), 800-414HP

from

$29.99
When the plastic original equipment HVAC heater hose/coolant hose connector becomes brittle from heat and abrasion, and cracks, leaks and breaks free from the hose, the dealership solution is a similar plastic replacement. Avoid a similar future failure by upgrading your repair with this more rugged Dorman OE FIX metal connector. Designed to match the performance of the factory design but engineered to far exceed its service life, this sturdy and reliable replacement connector is manufactured to precise standards for a seamless fit on specified Cadillac, Chevrolet and GMC vehicles.
See More

Dorman – Help – Dorman – Help Heater Hose Connector – 5/8 In. Tube x 5/8 In. Hose, 47165 (Part No.47165)

Dorman - Help Heater Hose Connector - 5/8 In. Tube x 5/8 In. Hose, 47165

from

$16.49
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)

Carquest Hose Connector, 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)

Autotecnica Hvac Heater Hose Connector, 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

Carquest Premium – Carquest Hose Connector, CH8003 (Part No.CH8003)

Carquest Hose Connector, CH8003

from

$13.99
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, CH8002 (Part No.CH8002)

Carquest Hose Connector, CH8002

from

$54.99
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)

Dorman Metal Heater Hose Connector - 3/4 in. Tube x 3/4 in. Hose (OE Fix), 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 Heater Hose Connector, 800-414CD (Part No.800-414CD)

Dorman Heater Hose Connector, 800-414CD

from

$24.99
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, 800-413CD (Part No.800-413CD)

Dorman Heater Hose Connector, 800-413CD

from

$24.99
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, CH8004 (Part No.CH8004)

Carquest Hose Connector, CH8004

from

$14.99
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

Most Popular Heater Hose Fittings for 2003 GMC Yukons

Enhance your 2003 GMC Yukon with one of the 19 Heater Hose Fittings we have in stock, starting at just $12.99.

Dorman – Dorman Coolant Connector – Inlet/Outlet 3/4In. Tube x 5/8In. Hose, 800-409 (Part No.800-409)

Dorman Coolant Connector - Inlet/Outlet 3/4In. Tube x 5/8In. Hose, 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, 800-414CD (Part No.800-414CD)

Dorman Heater Hose Connector, 800-414CD

from

$24.99
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, 800-413CD (Part No.800-413CD)

Dorman Heater Hose Connector, 800-413CD

from

$24.99
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)

Dorman Heater Hose Connector, 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)

Dorman Coolant HVAC Connector, 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)

Dorman Coolant Connector - Inlet/Outlet 3/4In. Tube x 5/8In. Hose (OE Fix), 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 Cooling Quick Connector, 800-413 (Part No.800-413)

Dorman Cooling Quick Connector, 800-413

from

$25.99
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 – Help – Dorman – Help Heater Hose Connector – 5/8 In. Tube x 5/8 In. Hose, 47165 (Part No.47165)

Dorman - Help Heater Hose Connector - 5/8 In. Tube x 5/8 In. Hose, 47165

from

$16.49
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, CH8007 (Part No.CH8007)

Carquest Hose Connector, 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)

Carquest Hose Connector, 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, CH8002 (Part No.CH8002)

Carquest Hose Connector, CH8002

from

$54.99
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)

Carquest Hose Connector, 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

Carquest Premium – Carquest Hose Connector, CH8000 (Part No.CH8000)

Carquest Hose Connector, CH8000

from

$41.99
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 (Oe Fix), 800-413HP (Part No.800-413HP)

Dorman Metal Heater Hose Connector (Oe Fix), 800-413HP

from

$31.99
When the plastic original equipment HVAC cooling hose quick connector becomes brittle from heat and abrasion, and cracks, leaks and breaks free from the cooling hose, the dealership solution is a similar plastic replacement. Avoid a similar future failure by upgrading your repair with this more rugged Dorman OE FIX metal connector. Designed to match the performance of the factory design but engineered to far exceed its service life, this sturdy and reliable replacement connector is manufactured to precise standards for a seamless fit on specified Cadillac, Chevrolet and GMC vehicles.
See More

Dorman – Dorman Metal Heater Hose Connector (Oe Fix), 800-414HP (Part No.800-414HP)

Dorman Metal Heater Hose Connector (Oe Fix), 800-414HP

from

$29.99
When the plastic original equipment HVAC heater hose/coolant hose connector becomes brittle from heat and abrasion, and cracks, leaks and breaks free from the hose, the dealership solution is a similar plastic replacement. Avoid a similar future failure by upgrading your repair with this more rugged Dorman OE FIX metal connector. Designed to match the performance of the factory design but engineered to far exceed its service life, this sturdy and reliable replacement connector is manufactured to precise standards for a seamless fit on specified Cadillac, Chevrolet and GMC vehicles.
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)

Dorman Metal Heater Hose Connector - 3/4 in. Tube x 3/4 in. Hose (OE Fix), 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 X 5/8 (Oe Fix), 800-403HP (Part No.800-403HP)

Dorman Metal Heater Hose Connector 5/8 X 5/8 (Oe Fix), 800-403HP

from

$22.99
When the plastic original equipment HVAC heater hose connector becomes brittle from heat and abrasion, and cracks, leaks and breaks free from the heater hose, the dealership solution is a similar plastic replacement. Avoid a similar future failure by upgrading your repair with this more rugged Dorman OE FIX metal connector. Designed to match the performance of the factory design but engineered to far exceed its service life, this sturdy and reliable replacement connector is manufactured to precise standards for a seamless fit on specified Ford, GM and Saab vehicles.
See More

Dorman – Dorman Metal Heater Hose Connector 5/8, 800-916HP (Part No.800-916HP)

Dorman Metal Heater Hose Connector 5/8, 800-916HP

from

$20.99
Dorman Metal Heater Hose Connector 5/8, 800-916HP.
See More

Carquest Premium – Carquest Hose Connector, CH8003 (Part No.CH8003)

Carquest Hose Connector, CH8003

from

$13.99
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

Best-Selling 2003 GMC Yukon Heater Hoses

Upgrade your Yukon with one of our 14 best-selling Heater Hoses, earning an average 4.5 stars rating across 59 reviews.

Dayco – Dayco Molded Heater Hose EPDM Rubber, 23/32 Inch Diameter, 12 Inch Length, 88412 (Part No.88412)

Dayco Molded Heater Hose EPDM Rubber, 23/32 Inch Diameter, 12 Inch Length, 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

Dorman – Dorman Molded Heater Hose: Rubber/Plastic, 626-111 (Part No.626-111)

Dorman Molded Heater Hose: Rubber/Plastic, 626-111

from

$53.99
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 Molded Heater Hose: Rubber, 626-557 (Part No.626-557)

Dorman Molded Heater Hose: Rubber, 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)

Gates Quick-Lok Heater Hose Connector, 28500

from

$31.99
Quick-Lok(R)Connectors provide a fast, easy way to connect replacement heater hose on cars and trucks.
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Dorman – Dorman Engine Heater Hose Assembly (OE Fix), 626-538 (Part No.626-538)

Dorman Engine Heater Hose Assembly (OE Fix), 626-538

from

$52.99
Original equipment HVAC heater hose assemblies often fail due to cracks in the plastic Y-connector. This Dorman OE FIX replacement features an upgraded aluminum Y-connector to prevent similar failures in the future.
See More

Dorman – Dorman Engine Heater Hose Assembly, 626-543 (Part No.626-543)

Dorman Engine Heater Hose Assembly, 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

Dorman – Dorman Molded Heater Hose: Rubber, 626-564 (Part No.626-564)

Dorman Molded Heater Hose: Rubber, 626-564

from

$51.99
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

Dayco – Dayco Molded Heater Hose EPDM Rubber, 1/4 Inch Diameter, 29 1/2 Inch Length, 86836 (Part No.86836)

Dayco Molded Heater Hose EPDM Rubber, 1/4 Inch Diameter, 29 1/2 Inch Length, 86836

from

$51.99
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 ThermalPro Premium Molded Heater Hose, 18126 (Part No.18126)

Gates ThermalPro Premium Molded Heater Hose, 18126

from

$51.99
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 Premium Molded Heater Hose, 18622 (Part No.18622)

Gates Premium Molded Heater Hose, 18622

from

$77.99
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 Molded Heater Hose, 18623 (Part No.18623)

Gates ThermalPro Premium Molded Heater Hose, 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)

Gates ThermalPro Premium Modular Coolant Hose, 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.
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Dayco – Dayco Molded Heater Hose EPDM Rubber 15/32 Inch Diameter, 23 Inch Length, E80245 (Part No.E80245)

Dayco Molded Heater Hose EPDM Rubber 15/32 Inch Diameter, 23 Inch Length, E80245

from

$58.99
Dayco Standard Heater Hose is designed to carry the heated coolant from the engine block to the heater core under the dashboard and return it to the engine. Note: This hose is NOT suitable for fuel or oil transfer.
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Autotecnica – Autotecnica Heater Hose Assembly, GM0619814 (Part No.GM0619814)

Autotecnica Heater Hose Assembly, GM0619814

from

$25.49
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

Top-Rated Heater Hose Brands For Your 2003 GMC Yukon

When it comes to finding the perfect Heater Hose for your 2003 GMC Yukon, 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 GMC Yukon, providing peace of mind with parts that meet or exceed OEM standards.

Popular Dayco 2003 GMC Yukon Heater Hoses

If you’re looking for a top-quality Heater Hose for your 2003 GMC Yukon, 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 $59.99, you’ll find the perfect Heater Hose for your needs and budget. Dayco Heater Hoses for the 2003 GMC Yukon come highly rated, with over 49 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.

Top-Quality Dorman 2003 GMC Yukon Heater Hoses

For those in search of a high-quality Heater Hose for their 2003 GMC Yukon, Advance Auto Parts offers a great selection of Dorman Heater Hoses. With 2 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, with an average price of $33.99, giving you a range of options to suit your budget. Backed by over 67 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.
Dorman Molded Heater Hose: Rubber/Plastic, 626-111
from $53.99
(10)
Dorman Molded Heater Hose: Rubber/Plastic, 626-111
“Perfect fit”
Dorman Coolant Connector - Inlet/Outlet 3/4In. Tube x 5/8In. Hose, 800-409
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 GMC Yukon Heater Hoses

What are the best-selling Heater Hoses for 2003 GMC Yukons?

Out of 33 Heater Hoses that fit 2003 GMC Yukons, the following parts are the top sellers:

What’s the price range for 2003 GMC Yukon Heater Hoses?

The prices of Heater Hoses for the 2003 GMC Yukon 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 GMC Yukon?

The average price for Heater Hoses for the 2003 GMC Yukon is $42.40. 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 GMC Yukon model years?

Yes, we carry Heater Hoses for 27 model years of GMC Yukons between 1992 and 2020. The following model years are the most popular for Heater Hose purchases: 2020, 2019, 2018, 2017, 2016, 2015, 2014, 2013, and 2012.

What are the cheapest Heater Hoses for my 2003 GMC Yukon?

Does Advance Auto Parts sell Heater Hoses for any other 2003 GMC models?

Yes. We stock Heater Hoses for 15 other popular 2003 GMC models. Some of the most popular are 2003 Sierra 1500 Heater Hoses, 2003 Yukon XL 1500 Heater Hoses, 2003 Sierra 2500 HD Heater Hoses, 2003 Yukon XL 2500 Heater Hoses, and 2003 Savana 1500 Heater Hoses.

What are the top-rated Heater Hoses that fit the 2003 GMC Yukon?

Based on 812 reviews by customers, our 2003 GMC Yukon Heater Hoses have an average customer rating of 4.5 stars. These are the highest-rated categories of Heater Hoses for the 2003 GMC Yukon and their top-rated products:

What types of Heater Hoses do you sell for my 2003 GMC Yukon?

As of 8/2/26, these are some of the most in-demand types of Heater Hoses for a 2003 GMC Yukon:

Can I get help with 2003 GMC Yukon 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 Yukon Heater Hoses?

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