1981 GMC Astro Radiator Hoses

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Keep Your 1981 GMC Astro 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 GMC Astro looking sharp and performing at its best. At Advance Auto Parts we carry a wide selection of dependable options, including 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.

Competitive Prices and Extensive Inventory

The average price for a 1981 GMC Astro Radiator Hose at Advance Auto Parts is around $23.55, with a range that starts at $1.29 and goes up to $60.99. With 6 options in stock from 2 trusted brands, finding the right fit is easy. Popular picks like Dayco Straight Radiator Hoses EPDM Rubber, 1 3/4 Inch Inner Diameter (Sold by inch), 76175, Gates Premium Molded Coolant Hose, 21488, and Gates Premium Molded Coolant Hose, 21114 start at just $1.29 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 Engine Cooling Hoses and Serpentine and V Belts. At Advance Auto Parts, we’re here to help you keep your 1981 GMC Astro in peak condition, inside and out.

Essential 1981 GMC Astro Radiator Hoses

Dayco – Dayco Flex Radiator Hoses Neoprene, Heavy Duty, 14 Inch Long, 2.25 Inch Inner Dia., 82181GL (Part No.82181GL)

Dayco Flex Radiator Hoses Neoprene, Heavy Duty, 14 Inch Long, 2.25 Inch Inner Dia., 82181GL

from

$32.49
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 -40 Deg. F (-40 Deg. C) to +257 Deg. F (+125 Deg. C). 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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Dayco – Dayco Straight Radiator Hoses EPDM Rubber, 1 3/4 Inch Inner Diameter (Sold by inch), 76175 (Part No.76175)

Dayco Straight Radiator Hoses EPDM Rubber, 1 3/4 Inch Inner Diameter (Sold by inch), 76175

from

$1.29
The Dayco Straight Radiator Hose is designed for a wide range of light and heavy duty truck applications where the radiator hose routing is relatively straight. Note: This hose is NOT suitable for fuel or oil transfer.
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Dayco – Dayco Straight Radiator Hoses EPDM Rubber, 2 1/2 Inch Inner Diameter (Sold by inch), 76250 (Part No.76250)

Dayco Straight Radiator Hoses EPDM Rubber, 2 1/2 Inch Inner Diameter (Sold by inch), 76250

from

$1.79
The Dayco Straight Radiator Hose is designed for a wide range of light and heavy duty truck applications where the radiator hose routing is relatively straight. Note: This hose is NOT suitable for fuel or oil transfer.
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Dayco – Flexible Radiator Hose, Heavy Duty, Dayco, 82191GL (Part No.82191GL)

Flexible Radiator Hose, Heavy Duty, Dayco, 82191GL

from

$41.99
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 -40 Deg. F (-40 Deg. C) to +257 Deg. F (+125 Deg. C). 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 Premium Molded Coolant Hose, 21114 (Part No.21114)

Gates Premium Molded Coolant Hose, 21114

from

$60.99
Gates Molded Coolant Hose is manufactured to fit specific applications. Similar to OEM specifications. Approved for marine applications.
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Gates – Gates Premium Molded Coolant Hose, 21488 (Part No.21488)

Gates Premium Molded Coolant Hose, 21488

from

$35.99
Gates Molded Coolant Hose is manufactured to fit specific applications. Similar to OEM specifications. Approved for marine applications.
See More

Most Popular By-Pass Hose for 1981 GMC Astros

Enhance your 1981 GMC Astro with this popular By-Pass Hose we have in stock, for $35.99.

Gates – Gates Premium Molded Coolant Hose, 21488 (Part No.21488)

Gates Premium Molded Coolant Hose, 21488

from

$35.99
Gates Molded Coolant Hose is manufactured to fit specific applications. Similar to OEM specifications. Approved for marine applications.
See More

Best-Selling 1981 GMC Astro Coolant Hoses

Upgrade your Astro with one of our 5 best-selling Coolant Hoses.

Dayco – Dayco Straight Radiator Hoses EPDM Rubber, 1 3/4 Inch Inner Diameter (Sold by inch), 76175 (Part No.76175)

Dayco Straight Radiator Hoses EPDM Rubber, 1 3/4 Inch Inner Diameter (Sold by inch), 76175

from

$1.29
The Dayco Straight Radiator Hose is designed for a wide range of light and heavy duty truck applications where the radiator hose routing is relatively straight. Note: This hose is NOT suitable for fuel or oil transfer.
See More

Gates – Gates Premium Molded Coolant Hose, 21114 (Part No.21114)

Gates Premium Molded Coolant Hose, 21114

from

$60.99
Gates Molded Coolant Hose is manufactured to fit specific applications. Similar to OEM specifications. Approved for marine applications.
See More

Dayco – Flexible Radiator Hose, Heavy Duty, Dayco, 82191GL (Part No.82191GL)

Flexible Radiator Hose, Heavy Duty, Dayco, 82191GL

from

$41.99
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 -40 Deg. F (-40 Deg. C) to +257 Deg. F (+125 Deg. C). 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.
See More

Dayco – Dayco Flex Radiator Hoses Neoprene, Heavy Duty, 14 Inch Long, 2.25 Inch Inner Dia., 82181GL (Part No.82181GL)

Dayco Flex Radiator Hoses Neoprene, Heavy Duty, 14 Inch Long, 2.25 Inch Inner Dia., 82181GL

from

$32.49
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 -40 Deg. F (-40 Deg. C) to +257 Deg. F (+125 Deg. C). 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.
See More

Dayco – Dayco Straight Radiator Hoses EPDM Rubber, 2 1/2 Inch Inner Diameter (Sold by inch), 76250 (Part No.76250)

Dayco Straight Radiator Hoses EPDM Rubber, 2 1/2 Inch Inner Diameter (Sold by inch), 76250

from

$1.79
The Dayco Straight Radiator Hose is designed for a wide range of light and heavy duty truck applications where the radiator hose routing is relatively straight. Note: This hose is NOT suitable for fuel or oil transfer.
See More

FAQs for 1981 GMC Astro Radiator Hoses

What are the best-selling Radiator Hoses for 1981 GMC Astros?

Out of 6 Radiator Hoses that fit 1981 GMC Astros, the following parts are the top sellers:

What’s the price range for 1981 GMC Astro Radiator Hoses?

The prices of Radiator Hoses for the 1981 GMC Astro range from $1.29 up to $60.99 for the most premium parts.

What is the average price of a Radiator Hose for a 1981 GMC Astro?

The average price for Radiator Hoses for the 1981 GMC Astro is $23.55. 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 GMC Astro model years?

Yes, we carry Radiator Hoses for 6 model years of GMC Astros between 1982 and 1988. The following model years are the most popular for Radiator Hose purchases: 1986, 1985, 1987, 1988, 1982, 1984, and 1983.

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

Yes. We stock Radiator Hoses for 18 other popular 1981 GMC models. Some of the most popular are 1981 Jimmy Radiator Hoses, 1981 K2500 Radiator Hoses, 1981 C2500 Radiator Hoses, 1981 K1500 Radiator Hoses, and 1981 C1500 Radiator Hoses.

What types of Radiator Hoses do you sell for my 1981 GMC Astro?

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

Can I get help with 1981 GMC Astro Radiator Hose orders?

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

What is your return policy for GMC Astro Radiator Hoses?

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