2004 Cadillac Escalade EXT Heater Hoses
Keep Your 2004 Cadillac Escalade EXT 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 2004 Cadillac Escalade EXT looking sharp and performing at its best. At Advance Auto Parts we carry a wide selection of dependable options, including and . 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 147 reviews and a solid 5 star average, you can shop with confidence knowing other Cadillac Escalade EXT owners approve.
Competitive Prices and Extensive Inventory
The average price for a 2004 Cadillac Escalade EXT Heater Hose at Advance Auto Parts is around $31.94, with a range that starts at $12.99 and goes up to $70.99. With 22 options in stock from 3 trusted brands, finding the right fit is easy. Popular picks like Heater Hose Connector, Heater Hose Connector, and Molded Heater Hose: Rubber start at just $24.99 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 Pulleys and Serpentine and V Belts. At Advance Auto Parts, we’re here to help you keep your 2004 Cadillac Escalade EXT in peak condition, inside and out.
Essential 2004 Cadillac Escalade EXT Heater Hoses
Dorman – Molded Heater Hose: Rubber/Plastic (Part No.626-111)
from
$70.99
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
Dorman – Engine Heater Hose Assembly (OE Fix) (Part No.626-683)
from
$83.99
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. Every Dorman part is backed by over 100 years of experience, along with a dedicated team of product experts, automotive engineers and technical support specialists based in the United States. We are passionate about giving repair professionals and vehicle owners greater freedom to fix cars and trucks, which is why we have more than 100,000 parts in our catalog today and promise to never stop driving new solutions.
Product Features:
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Product Features:
- Upgraded material – this replacement engine heater hose assembly features an aluminum Y-connector for added durability
- Application specific – designed to match the original fit and function of heater hoses on certain vehicle years, makes and models
- Complete replacement – includes necessary clamps for easy installation
- Quality engineering – designed in the United States and backed by decades of automotive aftermarket experience
Gates – Premium 5/16 X 50 Ft Heater Hose by Gates (sold by each) (Part No.28408)
from
$1.79
We are proud to offer this CARQUEST product line: CARQUEST Premium Heater Hose By Gates
Product Features:
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Product Features:
- Good resistance to high temperatures for extended periods of time, which prolongs service life
- Meets SAE 20R3 Standard Wall Class D-2 requirements
- Temperature range: -40 Deg. F to +257 Deg. F (-40 Deg. C to +125 Deg. C)
- Caution: Do not use for fuel or oil transfer applications
- CAUTION: Do not use for fuel or oil transfer applications
- PLEASE NOTE: Item is priced and sold by the foot. See store for details.
Autotecnica – Heater Hose Assembly (Part No.GM0619818)
from
$18.99
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 ¿Genuine¿ components.
Product Features:
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Product Features:
- Guaranteed fitment
- Molded to OE heater hose shape for proper appearance and easy installation
- Engine heat and ozone resistant
- Durable ECD (Electro Chemical Degradation)-resistant EPDM material helps prevent electrolysis from breaking down the rubber from the inside-out
- Temperature rating: -40║ F to 275║ F (-40║ C to 135║ C)
- Temperature rating: -40º F to 275º F (-40º C to 135º C)
Dorman – Molded Heater Hose: Rubber (Part No.626-619)
from
$60.99
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
Gates – ThermalPro Premium Molded Heater Hose (Part No.18623)
from
$15.99
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:
- Possesses all the quality characteristics of Gates molded cooling tubing and is similar to original manufacturer specifications.
- Engineered to resist electrochemical degradation – the leading cause of hose failure
- EPDM tube, synthetic fiber reinforcement, EPDM lid
- Compliant with SAE 20R3 Type EC Class D-1 and D-2 specifications
- temperature range Deg. F to +275 degrees F (-40 degrees C -135 degrees C)
- Note: Gates recommends replacing hose clamps each time a new coolant hose is installed
- Caution: Do not use for fuel or oil transport applications.
Dayco – Straight Heater Hose; EPDM Rubber, 5/8 Inch Diameter (sold by foot) (Part No.80271)
from
$1.99
Specifically designed to carry the heated coolant from the engine block to the heater core under the dashboard and return it to the engine, this Dayco Standard Heater Hose is constructed using all EPDM compounds and spiral reinforcement for high burst strength and excellent heat resistance. Made for general service on light trucks and passenger cars, this hose is similar to SAE 20R3, Class D-2 and has a temperature rating of -40 Degree F (-40 Degree C) to +257 Degree F (+125 Degree C). This Dayco Standard Heater Hose is compatible with all common coolant and coolant additives. Note: This hose is NOT suitable for fuel or oil transfer.
Product Features:
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Product Features:
- Specifically designed to be compatible with all common coolants and coolant additives
- Constructed using all EPDM compounds and spiral reinforcements
- Similar to SAE 20R3, Class D-2
- Has a high burst strength and excellent heat resistance of -40 Degree F (-40 Degree C) to +257 Degree F (+125 Degree C)
- PLEASE NOTE: Item is sold and priced by the foot. See store for details.
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:
- It has all the quality characteristics of Gates molded coolant hose and is similar to OEM specifications.
- Designed to resist electrochemical degradation, which is the primary 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. F (+135 Deg. C)
- Note: Gates recommends replacing the clamps and connectors each time a new radiator hose is installed.
- Caution: Do not use for fuel or oil transport applications.
Gates – ThermalPro 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:
- Materials specifically designed to resist collapse under vacuum
- Designed to resist electrochemical degradation, the main cause of casing failure
- EPDM tube; synthetic fiber knit reinforcement, heat-, ozone- and chemical coolant-resistant EPDM cover
- Manufactured with hose components conforming to OEM standards (quick couplings, branch fittings, 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 the clamps and connectors each time a new radiator hose is installed.
- Caution: Do not use for fuel or oil transport applications.
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
Gates – ThermalPro Premium Molded Heater Hose (Part No.18126)
from
$47.99
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:
See More
Product Features:
- Possesses all the quality characteristics of Gates molded cooling tubing and is similar to original manufacturer specifications.
- Engineered to resist electrochemical degradation – the leading cause of hose failure
- EPDM tube, synthetic fiber reinforcement, EPDM lid
- Meets SAE 20R3 Type EC Class D-1 and D-2 specifications
- temperature range Deg. F to +275 degrees F (-40 degrees C -135 degrees C)
- Note: Gates recommends replacing clamps and connectors every time a new cooling hose is installed.
- Warning: Do not use for fuel or oil transfer applications
Dorman – Molded Heater Hose: Rubber (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.
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
Dorman – Metal Heater Hose Connector (OE Fix) (Part No.800-414HP)
from
$28.99
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.
Product Features:
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Product Features:
- Upgraded repair – this HVAC heater hose/coolant hose connector is manufactured from rugged metal and is designed to help provide a longer lasting repair than the original equipment plastic connector
- Prevents leaks – engineered to resist the heat and abrasion that can eventually cause a plastic hose connector to crack and fail
- Direct replacement – manufactured to precise standards for a seamless fit on specified Cadillac, Chevrolet and GMC vehicles
- Performance tested – this upgraded connector design has been rigorously pressure-tested for reliable performance
Dorman – Heater Hose Connector (Part No.800-403)
from
$16.99
Made of quality materials, this HVAC heater hose connector matches the fit and function of an original equipment connector to restore leak-free performance.
Product Features:
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Product Features:
- Quality replacement – this heater hose connector matches the fit and function of the original equipment connector
- Durable construction – this heater hose connector is made of quality materials for a precise fit and leak-free durability
- Cost-effective solution – offers original equipment quality at competitive price
- Performance tested – this connector has been rigorously pressure tested to ensure reliable performance
Dorman – Cooling Quick Connector (Part No.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.
Product Features:
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Product Features:
- Quality replacement – this heater hose connector matches the fit and function of the original equipment connector
- Durable construction – this heater hose connector is made of quality materials for a precise fit and leak-free durability
- Cost-effective solution – offers original equipment quality at competitive price
- Performance tested – this connector has been rigorously pressure tested to ensure reliable performance
Dorman – Heater Hose Connector (Part No.800-414CD)
from
$26.99
Made of quality materials, this HVAC heater hose connector matches the fit and function of an original equipment connector to restore leak-free performance.
Product Features:
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Product Features:
- Quality replacement – this heater hose connector matches the fit and function of the original equipment connector
- Durable construction – this heater hose connector is made of quality materials for a precise fit and leak-free durability
- Cost-effective solution – offers original equipment quality at competitive price
- Performance tested – this connector has been rigorously pressure tested to ensure reliable performance
Gates – Quick-Lok Heater Hose Connector (Part No.28500)
from
$19.79
Quick-Lok(R)Connectors provide a fast, easy way to connect replacement heater hose on cars and trucks.
Product Features:
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Product Features:
- It is used in cars and trucks when the original quick connector fails or the replacement hose does not include it.
- Manufactured w/ a new design that retains the O-ring so they cannot get lost or damaged
- Fits like the original quick-connect fittings for easy installation and removal
Dorman – Metal Heater Hose Connector (OE Fix) (Part No.800-413HP)
from
$30.99
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.
Product Features:
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Product Features:
- Upgraded repair – this HVAC cooling hose quick connector is manufactured from rugged metal and is designed to help provide a longer lasting repair than the original equipment plastic connector
- Prevents leaks – engineered to resist the heat and abrasion that can eventually cause a plastic cooling hose quick connector to crack and fail
- Direct replacement – manufactured to precise standards for a seamless fit on specified Cadillac, Chevrolet and GMC vehicles
- Performance tested – this upgraded connector design has been rigorously pressure-tested for reliable performance
Dorman – Heater Hose Connector (Part No.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.
Product Features:
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Product Features:
- Quality replacement – this heater hose connector matches the fit and function of the original equipment connector
- Durable construction – this heater hose connector is made of quality materials for a precise fit and leak-free durability
- Cost-effective solution – offers original equipment quality at competitive price
- Performance tested – this connector has been rigorously pressure tested to ensure reliable performance
Dorman – Coolant HVAC Connector (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.
Product Features:
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Product Features:
- Quality replacement – this heater hose connector matches the fit and function of the original equipment connector
- Durable construction – this heater hose connector is made of quality materials for a precise fit and leak-free durability
- Cost-effective solution – offers original equipment quality at competitive price
- Performance tested – this connector has been rigorously pressure tested to ensure reliable performance
Autotecnica – Hvac Heater Hose Connector (Part No.GM0719744)
from
$7.99
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 ¿Genuine¿ components.
Product Features:
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Product Features:
- Guaranteed fitment
- Direct-fit OE-style replacement
- Ideal replacement for cracked or leaking hose connectors
- High-quality materials for maximum lifespan
Dorman – Coolant Connector – Inlet/Outlet 3/4In. Tube x 5/8In. Hose (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.
Product Features:
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Product Features:
- Quality replacement – this heater hose connector matches the fit and function of the original equipment connector
- Durable construction – this heater hose connector is made of quality materials for a precise fit and leak-free durability
- Cost-effective solution – offers original equipment quality at competitive price
- Performance tested – this connector has been rigorously pressure tested to ensure reliable performance
Dorman – HEATER HOSE CONNTOR (Part No.800-916HP)
from
$20.99
HEATER HOSE CONNTOR
Dorman – Heater Hose Connector (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.
Product Features:
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Product Features:
- Quality replacement – this heater hose connector matches the fit and function of the original equipment connector
- Durable construction – this heater hose connector is made of quality materials for a precise fit and leak-free durability
- Cost-effective solution – offers original equipment quality at competitive price
- Performance tested – this connector has been rigorously pressure tested to ensure reliable performance
Dorman – Coolant Connector – Inlet/Outlet 3/4In. Tube x 5/8In. Hose (OE Fix) (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.
Product Features:
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Product Features:
- Improved design – this HVAC heater hose connector has been redesigned for greater durability the original equipment part
- Durable construction – this heater hose connector is made of stainless steel instead of the original equipment connector to reduce damage from heat fatigue and vibration
- Easy to install – matches the original equipment form and dimensions for a simple replacement
- Quality tested – this part has undergone try-on, corrosion, heat and pressure testing to ensure a quality fit and long service life
Dorman – Help – Heater Hose Connector – 5/8 In. Tube x 5/8 In. Hose (Part No.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.
Product Features:
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Product Features:
- Quality replacement – this heater hose connector matches the fit and function of the original equipment connector
- Durable construction – this heater hose connector is made of quality materials for a precise fit and leak-free durability
- Cost-effective solution – offers original equipment quality at competitive price
- Performance tested – this connector has been rigorously pressure tested to ensure reliable performance
Dorman – Metal Heater Hose Connector 5/8 X 5/8 (OE Fix) (Part No.800-403HP)
from
$20.99
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.
Product Features:
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Product Features:
- Upgraded repair – this HVAC heater hose connector is manufactured from rugged metal and is designed to help provide a longer lasting repair than the original equipment plastic connector
- Prevents leaks – engineered to resist the heat and abrasion that can eventually cause a plastic heater hose connector to crack and fail
- Direct replacement – manufactured to precise standards for a seamless fit on specified Ford, GM and Saab vehicles
- Performance tested – this upgraded connector design has been rigorously pressure-tested for reliable performance
Dorman – Heater Hose Connector- Coolant Connector (Part No.800-414)
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.
Product Features:
See More
Product Features:
- Quality replacement – this heater hose connector matches the fit and function of the original equipment connector
- Durable construction – this heater hose connector is made of quality materials for a precise fit and leak-free durability
- Cost-effective solution – offers original equipment quality at competitive price
- Performance tested – this connector has been rigorously pressure tested to ensure reliable performance
Popular 2004 Cadillac Escalade EXT Heater Hoses Categories
Most Popular Heater Hoses for 2004 Cadillac Escalade EXTs
Enhance your 2004 Cadillac Escalade EXT with one of the 7 Heater Hoses we have in stock, starting at just $15.99.
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:
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
Dorman – Molded Heater Hose: Rubber/Plastic (Part No.626-111)
from
$70.99
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
Dorman – Molded Heater Hose: Rubber (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.
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 – ThermalPro Premium Molded Heater Hose (Part No.18126)
from
$47.99
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:
See More
Product Features:
- Possesses all the quality characteristics of Gates molded cooling tubing and is similar to original manufacturer specifications.
- Engineered to resist electrochemical degradation – the leading cause of hose failure
- EPDM tube, synthetic fiber reinforcement, EPDM lid
- Meets SAE 20R3 Type EC Class D-1 and D-2 specifications
- temperature range Deg. F to +275 degrees F (-40 degrees C -135 degrees C)
- Note: Gates recommends replacing clamps and connectors every time a new cooling hose is installed.
- Warning: 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:
See More
Product Features:
- It has all the quality characteristics of Gates molded coolant hose and is similar to OEM specifications.
- Designed to resist electrochemical degradation, which is the primary 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. F (+135 Deg. C)
- Note: Gates recommends replacing the clamps and connectors each time a new radiator hose is installed.
- Caution: Do not use for fuel or oil transport applications.
Gates – ThermalPro Premium Molded Heater Hose (Part No.18623)
from
$15.99
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:
See More
Product Features:
- Possesses all the quality characteristics of Gates molded cooling tubing and is similar to original manufacturer specifications.
- Engineered to resist electrochemical degradation – the leading cause of hose failure
- EPDM tube, synthetic fiber reinforcement, EPDM lid
- Compliant with SAE 20R3 Type EC Class D-1 and D-2 specifications
- temperature range Deg. F to +275 degrees F (-40 degrees C -135 degrees C)
- Note: Gates recommends replacing hose clamps each time a new coolant hose is installed
- Caution: Do not use for fuel or oil transport applications.
Gates – ThermalPro 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:
See More
Product Features:
- Materials specifically designed to resist collapse under vacuum
- Designed to resist electrochemical degradation, the main cause of casing failure
- EPDM tube; synthetic fiber knit reinforcement, heat-, ozone- and chemical coolant-resistant EPDM cover
- Manufactured with hose components conforming to OEM standards (quick couplings, branch fittings, 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 the clamps and connectors each time a new radiator hose is installed.
- Caution: Do not use for fuel or oil transport applications.
Best-Selling 2004 Cadillac Escalade EXT Heater Hose Fittings
Upgrade your Escalade EXT with one of our 15 best-selling Heater Hose Fittings, earning an average 4.5 stars rating across 88 reviews.
Dorman – Coolant Connector – Inlet/Outlet 3/4In. Tube x 5/8In. Hose (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.
Product Features:
See More
Product Features:
- Quality replacement – this heater hose connector matches the fit and function of the original equipment connector
- Durable construction – this heater hose connector is made of quality materials for a precise fit and leak-free durability
- Cost-effective solution – offers original equipment quality at competitive price
- Performance tested – this connector has been rigorously pressure tested to ensure reliable performance
Dorman – Heater Hose Connector (Part No.800-403)
from
$16.99
Made of quality materials, this HVAC heater hose connector matches the fit and function of an original equipment connector to restore leak-free performance.
Product Features:
See More
Product Features:
- Quality replacement – this heater hose connector matches the fit and function of the original equipment connector
- Durable construction – this heater hose connector is made of quality materials for a precise fit and leak-free durability
- Cost-effective solution – offers original equipment quality at competitive price
- Performance tested – this connector has been rigorously pressure tested to ensure reliable performance
Dorman – Heater Hose Connector- Coolant Connector (Part No.800-414)
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.
Product Features:
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Product Features:
- Quality replacement – this heater hose connector matches the fit and function of the original equipment connector
- Durable construction – this heater hose connector is made of quality materials for a precise fit and leak-free durability
- Cost-effective solution – offers original equipment quality at competitive price
- Performance tested – this connector has been rigorously pressure tested to ensure reliable performance
Dorman – Heater Hose Connector (Part No.800-414CD)
from
$26.99
Made of quality materials, this HVAC heater hose connector matches the fit and function of an original equipment connector to restore leak-free performance.
Product Features:
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Product Features:
- Quality replacement – this heater hose connector matches the fit and function of the original equipment connector
- Durable construction – this heater hose connector is made of quality materials for a precise fit and leak-free durability
- Cost-effective solution – offers original equipment quality at competitive price
- Performance tested – this connector has been rigorously pressure tested to ensure reliable performance
Dorman – Heater Hose Connector (Part No.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.
Product Features:
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Product Features:
- Quality replacement – this heater hose connector matches the fit and function of the original equipment connector
- Durable construction – this heater hose connector is made of quality materials for a precise fit and leak-free durability
- Cost-effective solution – offers original equipment quality at competitive price
- Performance tested – this connector has been rigorously pressure tested to ensure reliable performance
Dorman – Heater Hose Connector (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.
Product Features:
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Product Features:
- Quality replacement – this heater hose connector matches the fit and function of the original equipment connector
- Durable construction – this heater hose connector is made of quality materials for a precise fit and leak-free durability
- Cost-effective solution – offers original equipment quality at competitive price
- Performance tested – this connector has been rigorously pressure tested to ensure reliable performance
Gates – Quick-Lok Heater Hose Connector (Part No.28500)
from
$19.79
Quick-Lok(R)Connectors provide a fast, easy way to connect replacement heater hose on cars and trucks.
Product Features:
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Product Features:
- It is used in cars and trucks when the original quick connector fails or the replacement hose does not include it.
- Manufactured w/ a new design that retains the O-ring so they cannot get lost or damaged
- Fits like the original quick-connect fittings for easy installation and removal
Dorman – Coolant HVAC Connector (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.
Product Features:
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Product Features:
- Quality replacement – this heater hose connector matches the fit and function of the original equipment connector
- Durable construction – this heater hose connector is made of quality materials for a precise fit and leak-free durability
- Cost-effective solution – offers original equipment quality at competitive price
- Performance tested – this connector has been rigorously pressure tested to ensure reliable performance
Dorman – Coolant Connector – Inlet/Outlet 3/4In. Tube x 5/8In. Hose (OE Fix) (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.
Product Features:
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Product Features:
- Improved design – this HVAC heater hose connector has been redesigned for greater durability the original equipment part
- Durable construction – this heater hose connector is made of stainless steel instead of the original equipment connector to reduce damage from heat fatigue and vibration
- Easy to install – matches the original equipment form and dimensions for a simple replacement
- Quality tested – this part has undergone try-on, corrosion, heat and pressure testing to ensure a quality fit and long service life
Dorman – Cooling Quick Connector (Part No.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.
Product Features:
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Product Features:
- Quality replacement – this heater hose connector matches the fit and function of the original equipment connector
- Durable construction – this heater hose connector is made of quality materials for a precise fit and leak-free durability
- Cost-effective solution – offers original equipment quality at competitive price
- Performance tested – this connector has been rigorously pressure tested to ensure reliable performance
Dorman – Help – Heater Hose Connector – 5/8 In. Tube x 5/8 In. Hose (Part No.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.
Product Features:
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Product Features:
- Quality replacement – this heater hose connector matches the fit and function of the original equipment connector
- Durable construction – this heater hose connector is made of quality materials for a precise fit and leak-free durability
- Cost-effective solution – offers original equipment quality at competitive price
- Performance tested – this connector has been rigorously pressure tested to ensure reliable performance
Dorman – Metal Heater Hose Connector (OE Fix) (Part No.800-413HP)
from
$30.99
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.
Product Features:
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Product Features:
- Upgraded repair – this HVAC cooling hose quick connector is manufactured from rugged metal and is designed to help provide a longer lasting repair than the original equipment plastic connector
- Prevents leaks – engineered to resist the heat and abrasion that can eventually cause a plastic cooling hose quick connector to crack and fail
- Direct replacement – manufactured to precise standards for a seamless fit on specified Cadillac, Chevrolet and GMC vehicles
- Performance tested – this upgraded connector design has been rigorously pressure-tested for reliable performance
Dorman – Metal Heater Hose Connector (OE Fix) (Part No.800-414HP)
from
$28.99
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.
Product Features:
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Product Features:
- Upgraded repair – this HVAC heater hose/coolant hose connector is manufactured from rugged metal and is designed to help provide a longer lasting repair than the original equipment plastic connector
- Prevents leaks – engineered to resist the heat and abrasion that can eventually cause a plastic hose connector to crack and fail
- Direct replacement – manufactured to precise standards for a seamless fit on specified Cadillac, Chevrolet and GMC vehicles
- Performance tested – this upgraded connector design has been rigorously pressure-tested for reliable performance
Dorman – HEATER HOSE CONNTOR (Part No.800-916HP)
from
$20.99
HEATER HOSE CONNTOR
Dorman – Metal Heater Hose Connector 5/8 X 5/8 (OE Fix) (Part No.800-403HP)
from
$20.99
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.
Product Features:
See More
Product Features:
- Upgraded repair – this HVAC heater hose connector is manufactured from rugged metal and is designed to help provide a longer lasting repair than the original equipment plastic connector
- Prevents leaks – engineered to resist the heat and abrasion that can eventually cause a plastic heater hose connector to crack and fail
- Direct replacement – manufactured to precise standards for a seamless fit on specified Ford, GM and Saab vehicles
- Performance tested – this upgraded connector design has been rigorously pressure-tested for reliable performance
Top-Rated Heater Hose Brands For Your 2004 Cadillac Escalade EXT
When it comes to finding the perfect Heater Hose for your 2004 Cadillac Escalade EXT, Advance Auto Parts has you covered with a wide selection of high-quality OEM and aftermarket options from 3 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 2004 Cadillac Escalade EXT, providing peace of mind with parts that meet or exceed OEM standards.
Popular Dayco 2004 Cadillac Escalade EXT Heater Hoses
If you’re looking for a top-quality Heater Hose for your 2004 Cadillac Escalade EXT, 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 $60.99, you’ll find the perfect Heater Hose for your needs and budget. Dayco Heater Hoses for the 2004 Cadillac Escalade EXT 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.
from
$60.99
(49)
Molded Heater Hose; EPDM Rubber, 23/32 Inch Diameter, 12 Inch Length
“The hose was correct just need additional parts that wasn’t available at the time I needed”
Top-Quality Dorman 2004 Cadillac Escalade EXT Heater Hoses
For those in search of a high-quality Heater Hose for their 2004 Cadillac Escalade EXT, Advance Auto Parts offers a great selection of Dorman Heater Hoses. With 3 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 93 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)
Coolant Connector – Inlet/Outlet 3/4In. Tube x 5/8In. Hose
“Perfect fit for 00 1500 Silverado new heater core”
from
$16.99
(26)
Heater Hose Connector
“Glad it was available to save me when my hose broke on the side of the road”
FAQs for 2004 Cadillac Escalade EXT Heater Hoses
What are the best-selling Heater Hoses for 2004 Cadillac Escalade EXTs?
Out of 22 Heater Hoses that fit 2004 Cadillac Escalade EXTs, the following parts are the top sellers:
- Heater Hose Connector (11547688) – $26.99
- Heater Hose Connector (11547689) – $24.99
- Molded Heater Hose: Rubber (11839739) – $55.99
What’s the price range for 2004 Cadillac Escalade EXT Heater Hoses?
The prices of Heater Hoses for the 2004 Cadillac Escalade EXT range from $12.99 up to $70.99 for the most premium parts.
What is the average price of a Heater Hose for a 2004 Cadillac Escalade EXT?
The average price for Heater Hoses for the 2004 Cadillac Escalade EXT is $31.94. 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 Cadillac Escalade EXT model years?
What are the cheapest Heater Hoses for my 2004 Cadillac Escalade EXT?
The cheapest 2004 Cadillac Escalade EXT Heater Hoses we carry are:
- Heater Hose Connector (11918555) – $12.99
- Coolant Connector – Inlet/Outlet 3/4In. Tube x 5/8In. Hose (22149402) – $13.99
- Coolant HVAC Connector (11949915) – $15.99
- ThermalPro Premium Molded Heater Hose (10909437) – $15.99
- Heater Hose Connector – 5/8 In. Tube x 5/8 In. Hose (17190332) – $16.49
Does Advance Auto Parts sell Heater Hoses for any other 2004 Cadillac models?
Yes. We stock Heater Hoses for 5 other popular 2004 Cadillac models. Some of the most popular are 2004 Escalade ESV Heater Hoses, 2004 DeVille Heater Hoses, 2004 Seville Heater Hoses, 2004 CTS Heater Hoses, and 2004 SRX Heater Hoses.
What are the top-rated Heater Hoses that fit the 2004 Cadillac Escalade EXT?
Based on 147 reviews by customers, our 2004 Cadillac Escalade EXT Heater Hoses have an average customer rating of 5 stars. These are the highest-rated categories of Heater Hoses for the 2004 Cadillac Escalade EXT and their top-rated products:
- Heater Hose Fittings
- Heater Hose Connector (9110038) – $16.99
- Heater Hose Connector- Coolant Connector (10191251) – $25.99
- Coolant Connector – Inlet/Outlet 3/4In. Tube x 5/8In. Hose (22149402) – $13.99
- Heater Hoses
- Molded Heater Hose; EPDM Rubber, 23/32 Inch Diameter, 12 Inch Length (20590015) – $60.99
- Molded Heater Hose: Rubber/Plastic (10719704) – $70.99
What types of Heater Hoses do you sell for my 2004 Cadillac Escalade EXT?
As of 3/1/26, these are some of the most in-demand types of Heater Hoses for a 2004 Cadillac Escalade EXT:
Can I get help with 2004 Cadillac Escalade EXT Heater Hose orders?
Contact our customer support team by chat or phone, through the help desk page, where you can find instant answers about Cadillac Heater Hoses and more.
What is your return policy for Cadillac Escalade EXT Heater Hoses?
Advance Auto Parts keeps returns simple. For new Cadillac Escalade EXT Heater Hoses and accessories, your online orders can be returned, in their original condition, within 45 days. For requirements, see the returns page.