1981 Cadillac DeVille Radiator Hoses

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Keep Your 1981 Cadillac DeVille in Top Shape with Quality Radiator Hoses

Whether you’re repairing or upgrading your Radiator Hose, using high-quality parts is key to keeping your 1981 Cadillac DeVille looking sharp and performing at its best. At Advance Auto Parts we carry a wide selection of dependable options, including Coolant Expansion Tank Hoses, By-Pass Hoses, and Coolant Hoses. Whether you’re replacing a damaged part or enhancing your truck’s style and protection, you’ll find exactly what you need to get the job done right.

Top-Rated Radiator Hoses from Trusted Brands

Looking for a reliable Radiator Hose? We’ve got you covered with options from brands you know and trust like Dayco. For example, Dayco Radiator Hoses start at just $7.99 with an average 4.5 star rating. With over 11 reviews and a solid 5.0 star average, you can shop with confidence knowing other Cadillac DeVille owners approve.

Competitive Prices and Extensive Inventory

The average price for a 1981 Cadillac DeVille Radiator Hose at Advance Auto Parts is around $20.91, with a range that starts at $1.29 and goes up to $53.99. With 10 options in stock from 2 trusted brands, finding the right fit is easy. Popular picks like "Dayco Curved Radiator Hoses: EPDM Rubber, Standard Duty, 26"" Long, 1.25"" Diameter, E71085", Gates ThermalPro Premium Molded Coolant Hose, 20338, and "Dayco Curved Radiator Hoses: EPDM Rubber, Standard Duty, 31"" Long, 1.25"" Diameter, E71034" start at just $9.55 and offer a great balance of form and function.

Explore Related Parts

While you’re upgrading or replacing your Radiator Hose, don’t forget to check out other key components like Oil Cooler Hoses and Serpentine and V Belts. At Advance Auto Parts, we’re here to help you keep your 1981 Cadillac DeVille in peak condition, inside and out.

Essential 1981 Cadillac DeVille Radiator Hoses

Gates – Gates Premium Molded Coolant Hose, 21335 (Part No.21335)

Gates Premium Molded Coolant Hose, 21335

from

$28.99
Gates Molded Coolant Hose is manufactured to fit specific applications. Similar to OEM specifications. Approved for marine applications.
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Dayco – "Dayco Curved Radiator Hoses: EPDM Rubber, Standard Duty, 24.25"" Long, 1.25"" Diameter, E71378" (Part No.E71378)

"Dayco Curved Radiator Hoses: EPDM Rubber, Standard Duty, 24.25"" Long, 1.25"" Diameter, E71378"

from

$18.29
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.
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Dayco – "Dayco Curved Radiator Hoses: EPDM Rubber, Standard Duty, 27.50"" Long, 1.50"" Diameter, E70621" (Part No.E70621)

"Dayco Curved Radiator Hoses: EPDM Rubber, Standard Duty, 27.50"" Long, 1.50"" Diameter, E70621"

from

$22.49
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.
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Dayco – "Dayco Curved Radiator Hoses: EPDM Rubber, Standard Duty, 14.50"" Long, 1.75"" Diameter, C70354" (Part No.C70354)

"Dayco Curved Radiator Hoses: EPDM Rubber, Standard Duty, 14.50"" Long, 1.75"" Diameter, C70354"

from

$19.99
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.
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Dayco – "Dayco Curved Radiator Hoses: EPDM Rubber, Standard Duty, 10"" Long, 1.50"" Diameter, C70477" (Part No.C70477)

"Dayco Curved Radiator Hoses: EPDM Rubber, Standard Duty, 10"" Long, 1.50"" Diameter, C70477"

from

$21.99
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.
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Dayco – "Dayco Curved Radiator Hoses: EPDM Rubber, Standard Duty, 11"" Long, 1.53"" Diameter, B71705" (Part No.B71705)

"Dayco Curved Radiator Hoses: EPDM Rubber, Standard Duty, 11"" Long, 1.53"" Diameter, B71705"

from

$50.99
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.
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Dayco – "Dayco Curved Radiator Hoses: EPDM Rubber, Standard Duty, 30"" Long, 1.25"" Diameter, E72082" (Part No.E72082)

"Dayco Curved Radiator Hoses: EPDM Rubber, Standard Duty, 30"" Long, 1.25"" Diameter, E72082"

from

$39.99
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.
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Dayco – Dayco Flex Radiator Hoses EPDM Rubber, 13.88 Inch Long, 1.5 Inch Inner Dia., 81151 (Part No.81151)

Dayco Flex Radiator Hoses EPDM Rubber, 13.88 Inch Long, 1.5 Inch Inner Dia., 81151

from

$39.99
The Dayco flex radiator hose replaces straight or molded radiator hoses on a wide range of engine applications. Precision molded in standard lengths, it features a knitted reinforcement and synthetic EPDM construction. This hose is designed to prevent splitting, ballooning and elongation as well as resist ozone and other detrimental environmental elements, coolants and temperature variations of -40øF (-40øC) to +257øF (+125øC). With corrugations that provide excellent hose flexibility without flattening or collapsing, the Dayco flex radiator hose also features a helical steel coil spring for increased flexibility.
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Gates – Gates Vulco-Flex II Flexible Coolant Hose, 25480 (Part No.25480)

Gates Vulco-Flex II Flexible Coolant Hose, 25480

from

$27.49
Gates Vulco-Flex(R) II hose will bend in almost any direction. It easily replicates the angles and planes of a wide variety of expensive original equipment coolant hose, for quick, easy replacement.
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Dayco – Dayco Straight Heater Hose EPDM Rubber, 3/4 Inch Diameter (Sold by foot), 80273 (Part No.80273)

Dayco Straight Heater Hose EPDM Rubber, 3/4 Inch Diameter (Sold by foot), 80273

from

$1.29
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, 24 Inch Length, 80404 (Part No.80404)

Dayco Molded Heater Hose EPDM Rubber, 5/8 Inch Diameter, 24 Inch Length, 80404

from

$41.49
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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Gates – Gates Green Stripe Heavy-Duty Vulco-Flex Coolant Hose, 26501 (Part No.26501)

Gates Green Stripe Heavy-Duty Vulco-Flex Coolant Hose, 26501

from

$31.99
Heavy-duty flexible hose designed to replace straight or curved coolant hoses. The benefit is maximum coverage with minimum inventory. Hose inside diameter remains constant from end to end. No convolutions inside hose so tube is smooth, allowing free coolant flow. Approved for marine applications.
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Dayco – "Dayco Curved Radiator Hoses: EPDM Rubber, Standard Duty, 3.25"" Long, .63"" Diameter, A70001" (Part No.A70001)

"Dayco Curved Radiator Hoses: EPDM Rubber, Standard Duty, 3.25"" Long, .63"" Diameter, A70001"

from

$7.99
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.
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Gates – Gates ThermalPro Premium Molded Coolant Hose, 20338 (Part No.20338)

Gates ThermalPro Premium Molded Coolant Hose, 20338

from

$10.49
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, 5/8 Inch Diameter, 17 1/2 Inch Length, 87841 (Part No.87841)

Dayco Molded Heater Hose EPDM Rubber, 5/8 Inch Diameter, 17 1/2 Inch Length, 87841

from

$19.29
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, 19605 (Part No.19605)

Gates Premium Molded Heater Hose, 19605

from

$39.99
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 Curved Radiator Hoses: EPDM Rubber, Standard Duty, 4"" Long, .63"" Diameter, A71681" (Part No.A71681)

"Dayco Curved Radiator Hoses: EPDM Rubber, Standard Duty, 4"" Long, .63"" Diameter, A71681"

from

$11.49
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.
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Gates – Gates Molded 90 Degree Heater Hose, 28475 (Part No.28475)

Gates Molded 90 Degree Heater Hose, 28475

from

$21.79
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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Most Popular Coolant Expansion Tank Hose for 1981 Cadillac DeVilles

Enhance your 1981 Cadillac DeVille with this popular Coolant Expansion Tank Hose we have in stock, for $1.29.

Dayco – Dayco Straight Heater Hose EPDM Rubber, 3/4 Inch Diameter (Sold by foot), 80273 (Part No.80273)

Dayco Straight Heater Hose EPDM Rubber, 3/4 Inch Diameter (Sold by foot), 80273

from

$1.29
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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Best-Selling 1981 Cadillac DeVille By-Pass Hoses

Upgrade your DeVille with one of our 3 best-selling By-Pass Hoses, earning an average 5 stars rating across 9 reviews.

Dayco – "Dayco Curved Radiator Hoses: EPDM Rubber, Standard Duty, 3.25"" Long, .63"" Diameter, A70001" (Part No.A70001)

"Dayco Curved Radiator Hoses: EPDM Rubber, Standard Duty, 3.25"" Long, .63"" Diameter, A70001"

from

$7.99
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.
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Dayco – Dayco Molded Heater Hose EPDM Rubber, 5/8 Inch Diameter, 24 Inch Length, 80404 (Part No.80404)

Dayco Molded Heater Hose EPDM Rubber, 5/8 Inch Diameter, 24 Inch Length, 80404

from

$41.49
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.
See More

Gates – Gates ThermalPro Premium Molded Coolant Hose, 20338 (Part No.20338)

Gates ThermalPro Premium Molded Coolant Hose, 20338

from

$10.49
Gates Molded Coolant Hose is manufactured to fit specific applications. Similar to OEM specifications. Approved for marine applications.
See More

Top-Quality Coolant Hoses for 1981 Cadillac DeVilles

Choose a high-quality OEM or aftermarket Coolant Hose for Cadillac DeVilles and enjoy top-notch performance from $19.29.

Dayco – "Dayco Curved Radiator Hoses: EPDM Rubber, Standard Duty, 20"" Long, 1.50"" Diameter, E70970" (Part No.E70970)

"Dayco Curved Radiator Hoses: EPDM Rubber, Standard Duty, 20"" Long, 1.50"" Diameter, E70970"

from

$19.49
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.
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Dayco – "Dayco Curved Radiator Hoses: EPDM Rubber, Standard Duty, 26"" Long, 1.25"" Diameter, E71085" (Part No.E71085)

"Dayco Curved Radiator Hoses: EPDM Rubber, Standard Duty, 26"" Long, 1.25"" Diameter, E71085"

from

$20.29
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.
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Dayco – "Dayco Curved Radiator Hoses: EPDM Rubber, Standard Duty, 31"" Long, 1.25"" Diameter, E71034" (Part No.E71034)

"Dayco Curved Radiator Hoses: EPDM Rubber, Standard Duty, 31"" Long, 1.25"" Diameter, E71034"

from

$19.29
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.
See More

Gates – Gates Premium Molded Coolant Hose, 21207 (Part No.21207)

Gates Premium Molded Coolant Hose, 21207

from

$53.99
Gates Molded Coolant Hose is manufactured to fit specific applications. Similar to OEM specifications. Approved for marine applications.
See More

Gates – Gates Vulco-Flex II Flexible Coolant Hose, 25532 (Part No.25532)

Gates Vulco-Flex II Flexible Coolant Hose, 25532

from

$45.99
Gates Vulco-Flex(R) II hose will bend in almost any direction. It easily replicates the angles and planes of a wide variety of expensive original equipment coolant hose, for quick, easy replacement.
See More

Gates – Gates Vulco-Flex II Flexible Coolant Hose, 25480 (Part No.25480)

Gates Vulco-Flex II Flexible Coolant Hose, 25480

from

$27.49
Gates Vulco-Flex(R) II hose will bend in almost any direction. It easily replicates the angles and planes of a wide variety of expensive original equipment coolant hose, for quick, easy replacement.
See More

Top-Rated Radiator Hose Brands For Your 1981 Cadillac DeVille

When it comes to finding the perfect Radiator Hose for your 1981 Cadillac DeVille, Advance Auto Parts has you covered with a wide selection of high-quality OEM and aftermarket options from 2 trusted brands. We carry the most popular Radiator Hose brands including Dayco, and more, all known for their exceptional customer ratings (average brand rating of 4.5 stars) and competitive prices, as low as $7.99. Purchasing a Radiator Hose from us here at Advance Auto Parts is a smart move for both you and your 1981 Cadillac DeVille, providing peace of mind with parts that meet or exceed OEM standards.

Popular Dayco 1981 Cadillac DeVille Radiator Hoses

If you’re looking for a top-quality Radiator Hose for your 1981 Cadillac DeVille, Advance Auto Parts has exactly what you need with our selection of Dayco Radiator Hoses. We have 3 Dayco Radiator Hoses in stock for this fitment, all known for their durability and precision fit. With prices starting at just $7.99 and an average cost of $22.99, you’ll find the perfect Radiator Hose for your needs and budget. Dayco Radiator Hoses for the 1981 Cadillac DeVille come highly rated, with over 11 customer reviews and an impressive average rating of 4.5 stars. Choosing a Dayco Radiator Hose from Advance Auto Parts is a smart move to ensure quality and value for your vehicle.

FAQs for 1981 Cadillac DeVille Radiator Hoses

What are the best-selling Radiator Hoses for 1981 Cadillac DeVilles?

Out of 10 Radiator Hoses that fit 1981 Cadillac DeVilles, the following parts are the top sellers:

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

The prices of Radiator Hoses for the 1981 Cadillac DeVille range from $1.29 up to $53.99 for the most premium parts.

What is the average price of a Radiator Hose for a 1981 Cadillac DeVille?

The average price for Radiator Hoses for the 1981 Cadillac DeVille is $20.91. Keep in mind the variety of part types within our Radiator 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 Radiator Hoses for other Cadillac DeVille model years?

Yes, we carry Radiator Hoses for 51 model years of Cadillac DeVilles between 1953 and 2005. The following model years are the most popular for Radiator Hose purchases: 2005, 2004, 2003, 2002, 2001, 2000, 1999, 1998, and 1997.

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

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

What are the top-rated Radiator Hoses that fit the 1981 Cadillac DeVille?

Based on 11 reviews by customers, our 1981 Cadillac DeVille Radiator Hoses have an average customer rating of 5.0 stars. These are the highest-rated categories of Radiator Hoses for the 1981 Cadillac DeVille and their top-rated products:

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

As of 8/2/26, these are some of the most in-demand types of Radiator Hoses for a 1981 Cadillac DeVille:

Can I get help with 1981 Cadillac DeVille Radiator Hose orders?

Contact our customer support team by chat or phone, through the help desk page, where you can find instant answers about Cadillac Radiator Hoses and more.

What is your return policy for Cadillac DeVille Radiator Hoses?

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