Cadillac Seville Heater Hoses
Your One-Stop Shop For Trusted Cadillac Seville Heater Hoses
If you’re in search of Cadillac Seville Heater Hoses aftermarket or OEM parts, consider your search over! Advance Auto Parts carries 28 Heater Hoses from top brands with prices ranging from $7.79 to $27.49.
Beyond great prices, we stock trusted brands manufacturing all types of Heater Hoses for your Cadillac Seville. Of the 3 OEM and aftermarket parts brands we carry, some of the most popular are Dorman, Dayco, and Gates.
And don’t forget to read customer reviews across all Heater Hoses categories in our catalog. Buy with confidence by leveraging past customer experiences of our aftermarket and OEM parts.
At Advance Auto Parts, we don’t think top quality Heater Hoses have to cost top dollar, and we prove it. Browse our top Cadillac Seville Heater Hoses below, order online to ship to your home, or head into your nearest Advance Auto Parts location to get started.
Essential Cadillac Seville Heater Hoses
Dorman – Heater Hose Connecto (Part No.R3036834778DOR)
from
$15.64
Heater Hose Connecto
Dorman – Coolant Connector – Inlet/Outlet 3/4In. Tube x 5/8In. Hose (Part No.800-409HP)
from
$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 – Coolant Connector – Inlet/Outlet 3/4In. Tube x 5/8In. Hose (Part No.800-409)
from
$12.49
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 – Coolant Connector (Part No.800-431)
from
$24.49
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
Dayco – Molded Heater Hose; EPDM Rubber, 3/4 Inch Diameter, 13 Inch Length (Part No.88357)
from
$27.49
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
Dayco – Molded Heater Hose; EPDM Rubber, 7/8 Inch Diameter, 7 1/4 Inch Length (Part No.88353)
from
$17.49
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
Dayco – Curved Radiator Hoses: EPDM Rubber, Standard Duty, 3.25" Long, .63" Diameter (Part No.A70001)
from
$10.99
The Dayco curved radiator hose features knitted reinforcement, a protective sleeve and a synthetic EPDM rubber construction for high-strength performance, protection against abrasion and resistance to oil, mud, salt, road debris, ozone and coolants. It can also withstand temperature variations of -40 Deg. F (-40 Deg. C) to +257 Deg. F (+125 Deg. C). The inner base tube is reinforced with knitted rayon for maximum strength and burst resistance for the life of the hose.
Product Features:
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Product Features:
- Meets SAE J20R4, Class D-1 requirements
- Meets Type EC electro-chemical requirements as specified in SAE J1684, which prevents inner tube deterioration caused by the build-up of static electric charges
- Provides excellent protection against external elements
Gates – Molded 90 Degree Heater Hose (Part No.28467)
from
$15.29
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
Dayco – Molded Heater Hose; EPDM Rubber, 23/64 Inch Diameter, 5 Inch Length (Part No.86825)
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 “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
Dayco – Curved Radiator Hoses: EPDM Rubber, Standard Duty, 6" Long, .72" Diameter (Part No.A71544)
from
$14.49
The Dayco curved radiator hose features knitted reinforcement, a protective sleeve and a synthetic EPDM rubber construction for high-strength performance, protection against abrasion and resistance to oil, mud, salt, road debris, ozone and coolants. It can also withstand temperature variations of -40 Deg. F (-40 Deg. C) to +257 Deg. F (+125 Deg. C). The inner base tube is reinforced with knitted rayon for maximum strength and burst resistance for the life of the hose.
Product Features:
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Product Features:
- Meets SAE J20R4, Class D-1 requirements
- Meets Type EC electro-chemical requirements as specified in SAE J1684, which prevents inner tube deterioration caused by the build-up of static electric charges
- Provides excellent protection against external elements
Dayco – Molded Heater Hose; EPDM Rubber, 23/32 Inch Diameter, 13 Inch Length (Part No.86110)
from
$22.49
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
Dayco – Molded Heater Hose; EPDM Rubber, 5/8 Inch Diameter, 36 Inch Length (Part No.80405)
from
$21.29
Providing reliable service in applications requiring molded hoses, the Dayco heater hose is designed to replace OEM coolant hoses. Made with the same bends and routing as the original assembly, this molded hose is meant to fit the vehicle precisely. The knitted reinforcement and synthetic EPDM construction provide high-strength performance and resistance to detrimental environmental elements, coolants and temperature variations of -40°F (-40°C) to +257°F (+125°C) and the “quick connect” end allows for fast, convenient installation.
Product Features:
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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
- Meets Type EC electro-chemical requirements as specified in SAE J1684
Dayco – Molded Heater Hose; EPDM Rubber, 3/4 Inch Diameter, 8 Inch Length (Part No.88443)
from
$11.79
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 – Molded 90 Degree Heater Hose (Part No.28470)
from
$23.49
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
Dayco – Molded Heater Hose; EPDM Rubber, 23/32 Inch Diameter, 11 Inch Length (Part No.86109)
from
$27.49
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
Dayco – Molded Heater Hose; EPDM Rubber, 3/4 Inch Diameter, 60 Inch Length (Part No.80418)
from
$11.79
Providing reliable service in applications requiring molded hoses, the Dayco heater hose is designed to replace OEM coolant hoses. Made with the same bends and routing as the original assembly, this molded hose is meant to fit the vehicle precisely. The k
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
- Meets Type EC electro-chemical requirements as specified in SAE J1684
Dayco – Molded Heater Hose; EPDM Rubber, 5/8 Inch Diameter, 6 Inch Length (Part No.80400)
from
$18.29
Providing reliable service in applications requiring molded hoses, the Dayco heater hose is designed to replace OEM coolant hoses. Made with the same bends and routing as the original assembly, this molded hose is meant to fit the vehicle precisely. The knitted reinforcement and synthetic EPDM construction provide high-strength performance and resistance to detrimental environmental elements, coolants and temperature variations of -40°F (-40°C) to +257°F (+125°C) and the “quick connect” end allows for fast, convenient installation.
Product Features:
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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
- Meets Type EC electro-chemical requirements as specified in SAE J1684
Dayco – Molded Heater Hose; EPDM Rubber, 5/8 Inch Diameter, 38 Inch Length (Part No.87608)
from
$15.79
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 – Molded 90 Degree Heater Hose (Part No.28475)
from
$18.49
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:
See More
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
Dayco – Molded Heater Hose; EPDM Rubber, 3/4 Inch Diameter, 6 Inch Length (Part No.80411)
from
$7.79
Providing reliable service in applications requiring molded hoses, the Dayco heater hose is designed to replace OEM coolant hoses. Made with the same bends and routing as the original assembly, this molded hose is meant to fit the vehicle precisely. The knitted reinforcement and synthetic EPDM construction provide high-strength performance and resistance to detrimental environmental elements, coolants and temperature variations of -40°F (-40°C) to +257°F (+125°C) and the “quick connect” end allows for fast, convenient installation.
Product Features:
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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
- Meets Type EC electro-chemical requirements as specified in SAE J1684
Dayco – Molded Heater Hose; EPDM Rubber, 3/4 Inch Diameter, 25 Inch Length (Part No.80415)
from
$20.29
Providing reliable service in applications requiring molded hoses, the Dayco heater hose is designed to replace OEM coolant hoses. Made with the same bends and routing as the original assembly, this molded hose is meant to fit the vehicle precisely. The knitted reinforcement and synthetic EPDM construction provide high-strength performance and resistance to detrimental environmental elements, coolants and temperature variations of -40°F (-40°C) to +257°F (+125°C) and the “quick connect” end allows for fast, convenient installation.
Product Features:
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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
- Meets Type EC electro-chemical requirements as specified in SAE J1684
Gates – Premium Molded Heater Hose (Part No.18249)
from
$14.79
Gates Small I.D. Molded Coolant Hose is factory-molded, OEM style hose to fit today’s smaller, tighter-fitting engine compartments. Can be used for coolant, water and air applications. Approved for marine applications.
Product Features:
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Product Features:
- Has all the quality features of Gates molded coolant hose and similar to OEM specifications
- Engineered to resist electrochemical degradation ┐ the leading cause of hose failure
- EPDM tube, synthetic fiber knit reinforcement, EPDM cover
- Meets SAE 20R3 Type EC Class D-1 and D-2 specifications
- Temperature Range: -40 Deg. F to 275 Deg. F (-40 Deg. C -135 Deg. C)
- Note: Gates recommends replacing hose clamps each time a new coolant hose is installed
- Caution: Do not use for fuel or oil transfer applications
Dayco – Molded Heater Hose; EPDM Rubber, 5/8 Inch Diameter, 18 Inch Length (Part No.80403)
from
$11.99
Providing reliable service in applications requiring molded hoses, the Dayco heater hose is designed to replace OEM coolant hoses. Made with the same bends and routing as the original assembly, this molded hose is meant to fit the vehicle precisely. The knitted reinforcement and synthetic EPDM construction provide high-strength performance and resistance to detrimental environmental elements, coolants and temperature variations of -40°F (-40°C) to +257°F (+125°C) and the “quick connect” end allows for fast, convenient installation.
Product Features:
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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
- Meets Type EC electro-chemical requirements as specified in SAE J1684
Dayco – Molded Heater Hose; EPDM Rubber, 3/4 Inch Diameter, 16 Inch Length (Part No.88358)
from
$25.99
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 – Premium Molded Heater Hose (Part No.18250)
from
$10.49
Gates Small I.D. Molded Coolant Hose is factory-molded, OEM style hose to fit today’s smaller, tighter-fitting engine compartments. Can be used for coolant, water and air applications. Approved for marine applications.
Product Features:
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Product Features:
- Has all the quality features of Gates molded coolant hose and similar to OEM specifications
- Engineered to resist electrochemical degradation ┐ the leading cause of hose failure
- EPDM tube, synthetic fiber knit reinforcement, EPDM cover
- Meets SAE 20R3 Type EC Class D-1 and D-2 specifications
- Temperature Range: -40 Deg. F to 275 Deg. F (-40 Deg. C -135 Deg. C)
- Note: Gates recommends replacing hose clamps each time a new coolant hose is installed
- Caution: Do not use for fuel or oil transfer applications
Cadillac Seville Heater Hoses List
Heater Hoses Brands You Can Trust For Your Cadillac Seville
3 trusted brands of Heater Hoses line our shelves, ready to help keep your Cadillac Seville running smooth. Below are some of the most popular brands and their top Heater Hoses offerings:
Popular Dayco Heater Hoses
Dayco products for the Cadillac Seville span several categories. Some of the highest-rated Dayco Heater Hoses that will fit your Cadillac Seville are:
Top Cadillac Seville Heater Hoses from Dayco
Your Cadillac Seville will be purring again thanks to Dayco brand Heater Hoses available for online order or in-store pick up. Popular Dayco parts include:
from
$10.99
(7)
Curved Radiator Hoses: EPDM Rubber, Standard Duty, 3.25" Long, .63" Diameter
Heater Hoses
Most Purchased Cadillac Seville Heater Hoses from Dorman
When you buy the most frequently purchased Dorman brand Heater Hoses, you can be confident it will be the right part for your Cadillac Seville. Here are the Dorman Heater Hoses Advanced Auto customers buy the most:
FAQs for Cadillac Seville Heater Hoses
What are the most purchased Heater Hoses for the Cadillac Seville?
Out of 28 Heater Hoses for the Cadillac Seville, the most popular in our inventory are:
from
$11.79
This product is not rated
Molded Heater Hose; EPDM Rubber, 3/4 Inch Diameter, 60 Inch Length
Heater Hoses
What are the top-rated Cadillac Seville Heater Hoses?
Top-rated Heater Hoses for your Cadillac Seville based on customer reviews/ratings are:
from
$11.99
(4)
Molded Heater Hose; EPDM Rubber, 5/8 Inch Diameter, 18 Inch Length
“This was an EXACT fit in a 1993 Lexus GS300 with the 2JZ engine. The Heater sending hose coming off the back of the block was OEM and in need of repla”
from
$14.49
(2)
Curved Radiator Hoses: EPDM Rubber, Standard Duty, 6" Long, .72" Diameter
“Perfect fit for my 01 express van and works great!”
