1981 Cadillac DeVille Heater Hoses

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Keep Your 1981 Cadillac DeVille in Top Shape with a Quality Heater Hose

When it comes to maintaining or upgrading your 1981 Cadillac DeVille, choosing high-quality parts is crucial for ensuring your vehicle stays in top shape, whether you’re tackling a repair or enhancing performance. At Advance Auto Parts, we know how important it is to find the right Heater Hose for your DeVille. We currently carry a top Heater Hose in stock that is built to last. Whether you’re replacing a damaged Heater Hose or looking to upgrade, our selection for the 1981 Cadillac DeVille ensures you’ll find exactly what you need to keep your vehicle looking and performing its best.

Explore Related Parts

And while you’re here, don’t forget to check out related part categories like Oil Cooler Hoses and Serpentine and V Belts to complete your upgrade or repair project. At Advance Auto Parts, we’re proud to offer the parts and expertise to keep your 1981 Cadillac DeVille running smoothly and looking great.

Essential 1981 Cadillac DeVille Heater Hoses

Dayco – Dayco Molded Heater Hose EPDM Rubber, 5/8 Inch Diameter, 7 Inch Length, 87903 (Part No.87903)

Dayco Molded Heater Hose EPDM Rubber, 5/8 Inch Diameter, 7 Inch Length, 87903

from

$12.99
Providing reliable service in applications requiring molded hoses in small diameters, the Dayco small I.D. heater hose is designed to replace OEM coolant hoses. Made with the same bends and routing as the original assembly, this molded hose is meant to fit the vehicle precisely. The knitted reinforcement and synthetic EPDM construction provide high-strength performance and resistance to detrimental environmental elements, coolants and temperature variations of -40°F (-40°C) to +257°F (+125°C) and the €œquick connect€ end allows for fast, convenient installation.
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Dayco – Dayco Molded Heater Hose EPDM Rubber, 5/8 Inch Diameter, 6 Inch Length, 87661 (Part No.87661)

Dayco Molded Heater Hose EPDM Rubber, 5/8 Inch Diameter, 6 Inch Length, 87661

from

$51.99
Providing reliable service in applications requiring molded hoses in small diameters, the Dayco small I.D. heater hose is designed to replace OEM coolant hoses. Made with the same bends and routing as the original assembly, this molded hose is meant to fit the vehicle precisely. The knitted reinforcement and synthetic EPDM construction provide high-strength performance and resistance to detrimental environmental elements, coolants and temperature variations of -40°F (-40°C) to +257°F (+125°C) and the €œquick connect€ end allows for fast, convenient installation.
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Dayco – Dayco Molded Heater Hose EPDM Rubber, 23/64 Inch Diameter, 5 Inch Length, 86825 (Part No.86825)

Dayco Molded Heater Hose EPDM Rubber, 23/64 Inch Diameter, 5 Inch Length, 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 €œquick connect€ end allows for fast, convenient installation.
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Dayco – Dayco Molded Heater Hose EPDM Rubber, 3/4 Inch Diameter, 10-1/2 Inch Length, 88444 (Part No.88444)

Dayco Molded Heater Hose EPDM Rubber, 3/4 Inch Diameter, 10-1/2 Inch Length, 88444

from

$20.29
Providing reliable service in applications requiring molded hoses in small diameters, the Dayco small I.D. heater hose is designed to replace OEM coolant hoses. Made with the same bends and routing as the original assembly, this molded hose is meant to fit the vehicle precisely. The knitted reinforcement and synthetic EPDM construction provide high-strength performance and resistance to detrimental environmental elements, coolants and temperature variations of -40°F (-40°C) to +257°F (+125°C) and the €œquick connect€ end allows for fast, convenient installation.
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Gates – Gates Premium Molded Heater Hose, 18315 (Part No.18315)

Gates Premium Molded Heater Hose, 18315

from

$26.99
Gates Small I.D. Molded Coolant Hose is factory-molded, OEM style hose to fit today’s smaller, tighter-fitting engine compartments. Can be used for coolant, water and air applications. Approved for marine applications.
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Dayco – Dayco Molded Heater Hose EPDM Rubber, 3/4 Inch Diameter, 16 Inch Length, 88358 (Part No.88358)

Dayco Molded Heater Hose EPDM Rubber, 3/4 Inch Diameter, 16 Inch Length, 88358

from

$48.99
Providing reliable service in applications requiring molded hoses in small diameters, the Dayco small I.D. heater hose is designed to replace OEM coolant hoses. Made with the same bends and routing as the original assembly, this molded hose is meant to fit the vehicle precisely. The knitted reinforcement and synthetic EPDM construction provide high-strength performance and resistance to detrimental environmental elements, coolants and temperature variations of -40°F (-40°C) to +257°F (+125°C) and the €œquick connect€ end allows for fast, convenient installation.
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Dayco – Dayco Molded Heater Hose EPDM Rubber, 3/4 Inch Diameter, 48 Inch Length, 80417 (Part No.80417)

Dayco Molded Heater Hose EPDM Rubber, 3/4 Inch Diameter, 48 Inch Length, 80417

from

$17.49
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 €œquick connect€ end allows for fast, convenient installation.
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Dayco – Dayco Molded Heater Hose EPDM Rubber, 3/4 Inch Diameter, 8 Inch Length, 88443 (Part No.88443)

Dayco Molded Heater Hose EPDM Rubber, 3/4 Inch Diameter, 8 Inch Length, 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 €œquick connect€ end allows for fast, convenient installation.
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Dayco – Dayco Molded Heater Hose EPDM Rubber, 5/16 Inch Diameter, 8 1/4 Inch Length, 86835 (Part No.86835)

Dayco Molded Heater Hose EPDM Rubber, 5/16 Inch Diameter, 8 1/4 Inch Length, 86835

from

$7.79
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 €œquick connect€ end allows for fast, convenient installation.
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Gates – Gates Molded 90 Degree Heater Hose, 28467 (Part No.28467)

Gates Molded 90 Degree Heater Hose, 28467

from

$16.99
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.
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Gates – Gates Silicone Straight Heater Hose (Sold by foot), 26242 (Part No.26242)

Gates Silicone Straight Heater Hose (Sold by foot), 26242

from

$24.99
Constructed with silicone rubber. Ideal for extremely high temperature service in radiator, heater and other coolant transfer hose applications. Approved for marine applications.
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Dayco – Dayco Molded Heater Hose EPDM Rubber, 23/32 Inch Diameter, 13 Inch Length, 86110 (Part No.86110)

Dayco Molded Heater Hose EPDM Rubber, 23/32 Inch Diameter, 13 Inch Length, 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 €œquick connect€ end allows for fast, convenient installation.
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Dayco – Dayco Molded Heater Hose EPDM Rubber, 3/4 Inch Diameter, 16 1/4 Inch Length, 88356 (Part No.88356)

Dayco Molded Heater Hose EPDM Rubber, 3/4 Inch Diameter, 16 1/4 Inch Length, 88356

from

$42.99
Providing reliable service in applications requiring molded hoses in small diameters, the Dayco small I.D. heater hose is designed to replace OEM coolant hoses. Made with the same bends and routing as the original assembly, this molded hose is meant to fit the vehicle precisely. The knitted reinforcement and synthetic EPDM construction provide high-strength performance and resistance to detrimental environmental elements, coolants and temperature variations of -40°F (-40°C) to +257°F (+125°C) and the €œquick connect€ end allows for fast, convenient installation.
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Dayco – Dayco Molded Heater Hose EPDM Rubber, 3/4 Inch Diameter, 36 Inch Length, 80416 (Part No.80416)

Dayco Molded Heater Hose EPDM Rubber, 3/4 Inch Diameter, 36 Inch Length, 80416

from

$35.99
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 €œquick connect€ end allows for fast, convenient installation.
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Dayco – Dayco Molded Heater Hose EPDM Rubber, 23/32 Inch Diameter, 8 Inch Length, 88428 (Part No.88428)

Dayco Molded Heater Hose EPDM Rubber, 23/32 Inch Diameter, 8 Inch Length, 88428

from

$11.99
Providing reliable service in applications requiring molded hoses in small diameters, the Dayco small I.D. heater hose is designed to replace OEM coolant hoses. Made with the same bends and routing as the original assembly, this molded hose is meant to fit the vehicle precisely. The knitted reinforcement and synthetic EPDM construction provide high-strength performance and resistance to detrimental environmental elements, coolants and temperature variations of -40°F (-40°C) to +257°F (+125°C) and the €œquick connect€ end allows for fast, convenient installation.
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Gates – Gates Premium Molded Coolant Hose, 22038 (Part No.22038)

Gates Premium Molded Coolant Hose, 22038

from

$13.99
Gates Molded Coolant Hose is manufactured to fit specific applications. Similar to OEM specifications. Approved for marine applications.
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Dayco – Dayco Molded Heater Hose EPDM Rubber, 3/4 Inch Diameter, 25 Inch Length, 80415 (Part No.80415)

Dayco Molded Heater Hose EPDM Rubber, 3/4 Inch Diameter, 25 Inch Length, 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 €œquick connect€ end allows for fast, convenient installation.
See More

Dayco – Dayco Molded Heater Hose EPDM Rubber, 3/4 Inch Diameter, 17 Inch Length, 88436 (Part No.88436)

Dayco Molded Heater Hose EPDM Rubber, 3/4 Inch Diameter, 17 Inch Length, 88436

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 €œquick connect€ end allows for fast, convenient installation.
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Dayco – Dayco Molded Heater Hose EPDM Rubber, 3/4 Inch Diameter, 12 Inch Length, 80412 (Part No.80412)

Dayco Molded Heater Hose EPDM Rubber, 3/4 Inch Diameter, 12 Inch Length, 80412

from

$35.99
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 €œquick connect€ end allows for fast, convenient installation.
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Dayco – Dayco Molded Heater Hose EPDM Rubber, 5/8 Inch Diameter, 18 Inch Length, 80402 (Part No.80402)

Dayco Molded Heater Hose EPDM Rubber, 5/8 Inch Diameter, 18 Inch Length, 80402

from

$30.99
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 €œquick connect€ end allows for fast, convenient installation.
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Dayco – Dayco Molded Heater Hose EPDM Rubber, 3/4 Inch Diameter, 18 Inch Length, 80413 (Part No.80413)

Dayco Molded Heater Hose EPDM Rubber, 3/4 Inch Diameter, 18 Inch Length, 80413

from

$33.99
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 €œquick connect€ end allows for fast, convenient installation.
See More

Dayco – Dayco Straight Heater Hose EPDM Rubber, 5/8 Inch Diameter (Sold by foot), 80271 (Part No.80271)

Dayco Straight Heater Hose EPDM Rubber, 5/8 Inch Diameter (Sold by foot), 80271

from

$2.99
Dayco Standard Heater Hose is designed to carry the heated coolant from the engine block to the heater core under the dashboard and return it to the engine. Note: This hose is NOT suitable for fuel or oil transfer.
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Dayco – Dayco Molded Heater Hose EPDM Rubber, 5/8 Inch Diameter, 6 Inch Length, 80400 (Part No.80400)

Dayco Molded Heater Hose EPDM Rubber, 5/8 Inch Diameter, 6 Inch Length, 80400

from

$31.99
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 €œquick connect€ end allows for fast, convenient installation.
See More

Gates – Gates Premium Molded Heater Hose, 18836 (Part No.18836)

Gates Premium Molded Heater Hose, 18836

from

$29.49
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.
See More

Dayco – Dayco Molded Heater Hose EPDM Rubber, 5/8 Inch Diameter, 7 Inch Length, 87681 (Part No.87681)

Dayco Molded Heater Hose EPDM Rubber, 5/8 Inch Diameter, 7 Inch Length, 87681

from

$11.99
Providing reliable service in applications requiring molded hoses in small diameters, the Dayco small I.D. heater hose is designed to replace OEM coolant hoses. Made with the same bends and routing as the original assembly, this molded hose is meant to fit the vehicle precisely. The knitted reinforcement and synthetic EPDM construction provide high-strength performance and resistance to detrimental environmental elements, coolants and temperature variations of -40°F (-40°C) to +257°F (+125°C) and the €œquick connect€ end allows for fast, convenient installation.
See More

Gates – Gates Premium Molded Heater Hose, 19734 (Part No.19734)

Gates Premium Molded Heater Hose, 19734

from

$32.49
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.
See More

Gates – Gates Molded 90 Degree Heater Hose, 28479 (Part No.28479)

Gates Molded 90 Degree Heater Hose, 28479

from

$22.99
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.
See More

Dayco – Dayco Molded Heater Hose EPDM Rubber, 23/32 Inch Diameter, 11 Inch Length, 86109 (Part No.86109)

Dayco Molded Heater Hose EPDM Rubber, 23/32 Inch Diameter, 11 Inch Length, 86109

from

$54.99
Providing reliable service in applications requiring molded hoses in small diameters, the Dayco small I.D. heater hose is designed to replace OEM coolant hoses. Made with the same bends and routing as the original assembly, this molded hose is meant to fit the vehicle precisely. The knitted reinforcement and synthetic EPDM construction provide high-strength performance and resistance to detrimental environmental elements, coolants and temperature variations of -40°F (-40°C) to +257°F (+125°C) and the €œquick connect€ end allows for fast, convenient installation.
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Most Popular Heater Hose for 1981 Cadillac DeVilles

Enhance your 1981 Cadillac DeVille with this popular Heater Hose we have in stock, for $2.99.

Dayco – Dayco Straight Heater Hose EPDM Rubber, 5/8 Inch Diameter (Sold by foot), 80271 (Part No.80271)

Dayco Straight Heater Hose EPDM Rubber, 5/8 Inch Diameter (Sold by foot), 80271

from

$2.99
Dayco Standard Heater Hose is designed to carry the heated coolant from the engine block to the heater core under the dashboard and return it to the engine. Note: This hose is NOT suitable for fuel or oil transfer.
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FAQs for 1981 Cadillac DeVille Heater Hoses

What’s the price range for 1981 Cadillac DeVille Heater Hoses?

We currently have just one Heater Hoses for the 1981 Cadillac DeVille in stock: Dayco Straight Heater Hose EPDM Rubber, 5/8 Inch Diameter (Sold by foot), 80271 and it costs $2.99.

Does Advance Auto Parts sell Heater Hoses for other Cadillac DeVille model years?

Yes, we carry Heater Hoses for 40 model years of Cadillac DeVilles between 1963 and 2005. The following model years are the most popular for Heater Hose purchases: 2005, 2004, 2003, 2002, 2001, 2000, 1999, 1998, and 1997.

Does Advance Auto Parts sell Heater Hoses for any other 1981 Cadillac models?

Yes. We stock Heater Hoses for 3 other popular 1981 Cadillac models. Some of the most popular are 1981 Eldorado Heater Hoses, 1981 Seville Heater Hoses, 1981 Fleetwood Heater Hoses, and 1981 Commercial Chassis Heater Hoses.

What types of Heater Hoses do you sell for my 1981 Cadillac DeVille?

We currently have just 1 Heater Hose in stock for a 1981 Cadillac DeVille, and as of 8/2/26, it is a Heater Hose.

Can I get help with 1981 Cadillac DeVille 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 DeVille Heater Hoses?

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