2003 Cadillac Escalade Heater Hoses
More 2003 Cadillac Escalade Heater Hoses
Find your specific 2003 Cadillac Escalade original or aftermarket Heater Hoses below. Order your parts online and have delivered to your home or pick up in-store at Advance Auto.
Essential 2003 Cadillac Escalade Heater Hoses
Dorman – Molded Heater Hose: Rubber (Part No.626-557)
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$50.99
This replacement HVAC heater hose assembly is engineered to match the fit and durability of the stock heater hose assembly on specified vehicles. It is designed to withstand extreme temperature changes to extend service life.
Product Features:
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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 – Heater Hose (Part No.R30302471089DOR)
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$48.45
Heater Hose
Dorman – Molded Heater Hose: Plastic/Rubber (Part No.626-654)
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$62.99
This replacement HVAC heater hose assembly is engineered to match the fit and durability of the stock heater hose assembly on specified vehicles. It is designed to withstand extreme temperature changes to extend service life.
Product Features:
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Product Features:
- Ideal replacement – this HVAC heater hose assembly directly replaces the original heater hose on specified vehicle years, makes and models
- Durable construction – this part is specifically designed to withstand extreme temperature changes and resist cracking and leaking
- Cost-effective and reliable – offers original manufacturer quality at lower cost than getting replacement at dealer
- Industry-leading design – professionally engineered by the aftermarket leader in heater hose assemblies
Dayco – Straight Heater Hose: EPDM Rubber, Universal Fit, 1/2" Inside Diameter (Sold by foot) (Part No.80312)
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$0.86
This premium Dayco Insulone Heater Hose delivers heated coolant to the heater core with minimal heat loss. The synthetic EPDM rubber compounds and spiral reinforcement gives this hose excellent burst strength, heat resistance, and compatibility with all common coolants and coolant additives. A special compound used in the insulating layer provides an added measure of protection against heat loss. Built with a black cover, this hose is similar to SAE 20R3, Class D-2 with a temperature range of -40 Degree F (-40 Degree C) to +257 Degree F (+125 Degree C). Note: NOT suitable for fuel or oil transfer.
Product Features:
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Product Features:
- Synthetic EPDM rubber compounds and spiral reinforcement provides excellent burst strength and heat resistance
- Compatible with all common coolants and coolant additives
- Insulating layer provides an added measure of protection against heat loss
- Performs well in temperature ranges 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 5/16 X 50 Ft Heater Hose by Gates (sold by each) (Part No.28408)
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$1.79
Premium hose constructed for long service life.
Product Features:
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Product Features:
- Good resistance to high temperatures for extended periods of time
- Similar to SAE 20R3 Class D-3
- Temperature rating: -40 Deg. F to +257 Deg. F (-40 Deg. C to +125 Deg. C)
- CAUTION: Do not use for fuel or oil transfer applications.
Gates – Straight Heater Hose: EPDM, Direct Fit, 0.625" Inside Diameter (Sold by foot) (Part No.28411)
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$1.49
Premium hose constructed for long service life.
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.
Dayco – Molded Heater Hose; EPDM Rubber, 23/32 Inch Diameter, 12 Inch Length (Part No.88412)
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$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.
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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
Dayco – Molded Heater Hose; EPDM Rubber, 1/4 Inch Diameter, 29 1/2 Inch Length (Part No.86836)
from
$33.49
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 “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
ACDelco – Heater Hose Assembly (Part No.R3031700568ACD)
from
$57.76
Heater Hose Assembly
Dorman – Engine Heater Hose Assembly (Part No.626-694)
from
$74.99
This replacement HVAC heater hose assembly is engineered to match the fit and durability of the stock heater hose assembly on specified vehicles. It is designed to withstand extreme temperature changes to extend service life.
Product Features:
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Product Features:
- Ideal replacement – this HVAC heater hose assembly directly replaces the original heater hose on specified vehicle years, makes and models
- Durable construction – this part is specifically designed to withstand extreme temperature changes and resist cracking and leaking
- Cost-effective and reliable – offers original manufacturer quality at lower cost than getting replacement at dealer
- Industry-leading design – professionally engineered by the aftermarket leader in heater hose assemblies
Dayco – Dayco, Heater Hose (Part No.R30301220888DAY)
from
$54.96
Dayco, Heater Hose
Dorman – Molded Heater Hose: Aluminum/Rubber, OE Fix, Upgraded Material (Part No.626-553)
from
$58.99
This replacement HVAC heater hose assembly is engineered to match the fit and durability of the stock heater hose assembly on specified vehicles. It is designed to withstand extreme temperature changes to extend service life.
Product Features:
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Product Features:
- Upgraded material – this replacement engine heater hose assembly features aluminum Y-connectors 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 – hoses come with necessary clamps for easy installation
- Quality engineering – designed in the United States and backed by decades of automotive aftermarket experience
Gates – Molded 90 Degree Heater Hose (Part No.28479)
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$20.99
Specially designed for difficult heater hose applications requiring sharp 90 degree bends in the hose. Eliminates the need for extensive inventory of OE type curved heater hose. Just 22 sizes handle thousands of applications.
Product Features:
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Product Features:
- Resists electrochemical degradation and water permeation
- Use with heater hose connectors and bulk heater hose to create custom assemblies
- Compatible for coolant, air and water applications
- EPDM tube and cover, synthetic fiber reinforcement
- SAE 20R3 EC Class D1, SAE 20R4 EC Class D1
- Temperature Range: -40 Deg. F to +275 Deg. F (-40 Deg. C to +135 Deg. C)
- Caution: Do not use for fuel or oil transfer applications
ACDelco – Heater Hose (Part No.R3030578543ACD)
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$68.23
Heater Hose
Dorman – Coolant Connector – Inlet/Outlet 3/4In. Tube x 5/8In. Hose (Part No.800-409HP)
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$24.49
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 – Heater Hose Connector (sold by each) (Part No.800-401.5)
from
$42.49
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 – Heater Hose Connector (Part No.800-916)
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 – Cooling Quick Connector (Part No.800-413)
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$21.49
Our heater hose connectors are designed to resist brittleness, cracks, and coolant leaks for a longer service life.
Product Features:
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Product Features:
- Direct replacement for ease of installation
- Replace only the connector, not the entire Heater Hose assembly
- Made of high-quality materials for a longer service life
- Fits a wide variety of applications
Dorman – Heater Hose Connector (Part No.800-414CD)
from
$26.49
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
Gates – Quick-Lok½ Heater Hose Connector (Part No.28500)
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$19.49
Product Features:
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- Used on cars and trucks when the original quick connector fails, or the replacement hose does not include them
- Manufactured w/ a new design that retains the O-ring so they cannot get lost or damaged
- Fit just as the OEM quick connects for easy installation as well as removal
Dorman – Heater Hose Tee – 5/8 In. X 5/8 In. X 3/4 In. (Part No.800-422)
from
$14.99
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 Connecto (Part No.R3036834786DOR)
from
$32.44
Heater Hose Connecto
Dorman – Heater Hose Connector- Coolant Connector (Part No.800-414)
from
$24.99
Our heater hose connectors are designed to resist brittleness, cracks, and coolant leaks for a longer service life.
Product Features:
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Product Features:
- Direct replacement for ease of installation
- Replace only the connector, not the entire Heater Hose assembly
- Made of high-quality materials for a longer service life
- Fits a wide variety of applications
Dorman – Heater Hose Connecto (Part No.R3036834783DOR)
from
$10.87
Heater Hose Connecto
Dorman – Heater Hose Connector (Part No.800-411)
from
$14.29
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
$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 – Heater Hose Connector (Part No.800-401)
from
$12.79
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 Connecto (Part No.R30361604037DOR)
from
$13.11
Heater Hose Connecto
Popular 2003 Cadillac Escalade Heater Hoses Categories
2003 Cadillac Escalade Heater Hoses
Maybe you’re in the middle of a full rebuild of that 2003 Cadillac Escalade. Maybe you just need a couple of Heater Hoses. Either way, Advance Auto Parts has 33 different Heater Hoses in our inventory ranging from $0.83 to $68.23. That means you can find the exact parts or products you need to keep that 2003 Cadillac Escalade running smoothly.
Heater Hoses are only as good as their brand. We stock 4 different brands to make sure you have plenty of trusted parts to choose from for your 2003 Cadillac Escalade. Dorman, Dayco, and Gates are just some of the brands we stock. Search for brands you know or compare prices and reviews to help you decide!
We know you’ll find the perfect Heater Hoses for your 2003 Cadillac Escalade, but don’t take our word for it – read our customer ratings and reviews and buy with confidence. Out of the 297 reviews in this category, some of the top rated parts include Heater Hose Connector- Coolant Connector with 4.6 stars and Heater Hose with 3.0 stars.
So if you’re in the market for aftermarket Heater Hoses to keep your 2003 Cadillac Escalade rolling for years to come, look no further. Shop online and have your products shipped direct to your door, or pick up at the nearest Advance Auto Parts location today!
Heater Hoses Brands To Make Your 2003 Cadillac Escalade Last
Simple repair, complete replacement, or a full rebuild. No matter the job, your 2003 Cadillac Escalade demands trusted brand parts and products to keep it running. Many trusted brands of Heater Hoses make up Advance Auto Parts’ inventory, and all are ready to help make your Escalade the best it can be. Be sure to browse some of our top Heater Hoses brands and parts.
Popular Dayco Heater Hoses
We carry Dayco parts in our stock across Heater Hoses categories, plus more. For a 2003 Cadillac Escalade, our most popular Dayco Heater Hoses include:
Top 2003 Cadillac Escalade Heater Hoses from Dorman
Dorman products are another trusted brand when it comes to Heater Hoses for your 2003 Cadillac Escalade. Popular Dorman parts include:
FAQs for 2003 Cadillac Escalade Heater Hoses
What are the most purchased Heater Hoses for the 2003 Cadillac Escalade?
Out of 33 Heater Hoses for the 2003 Cadillac Escalade, the most popular in our inventory are:
What are the top-rated 2003 Cadillac Escalade Heater Hoses?
Top-rated Heater Hoses for your 2003 Cadillac Escalade based on customer reviews/ratings are:
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$24.99
(5)
Heater Hose Connector- Coolant Connector
“This connector was a little difficult to slide onto the Heater Hose Connector. Once I applied some silicone grease, it installed easily and worked we”
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$68.23
(1)
Heater Hose
“The employee saw the picture and told me to order this. The picture shows that silver part on one end. the hose does come with it. you will have to bu”
