1977 GMC G25 Radiator Hoses

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Keep Your 1977 GMC G25 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 1977 GMC G25 looking sharp and performing at its best. At Advance Auto Parts we carry a wide selection of dependable options, including Coolant Hoses, Coolant Expansion Tank Hoses, and By-Pass 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 1977 GMC G25 Radiator Hose at Advance Auto Parts is around $18.92, with a range that starts at $1.29 and goes up to $44.99. With 5 options in stock from 2 trusted brands, finding the right fit is easy. Popular picks like Dayco Flex Radiator Hoses EPDM Rubber, 3 Inch Long, 1.5 Inch Inner Dia., 81221, "Dayco Curved Radiator Hoses: EPDM Rubber, Standard Duty, 22"" Long, 1.50"" Diameter, E70734", and Dayco Straight Heater Hose EPDM Rubber, 3/4 Inch Diameter (Sold by foot), 80273 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 Oil Cooler Hoses and Serpentine and V Belts. At Advance Auto Parts, we’re here to help you keep your 1977 GMC G25 in peak condition, inside and out.

Essential 1977 GMC G25 Radiator Hoses

Dayco – "Dayco Curved Radiator Hoses: EPDM Rubber, Standard Duty, 4.50"" Long, .63"" Diameter, A70785" (Part No.A70785)

"Dayco Curved Radiator Hoses: EPDM Rubber, Standard Duty, 4.50"" Long, .63"" Diameter, A70785"

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 Premium Molded Coolant Hose, 20925 (Part No.20925)

Gates Premium Molded Coolant Hose, 20925

from

$31.99
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, 20417 (Part No.20417)

Gates Premium Molded Coolant Hose, 20417

from

$54.99
Gates Molded Coolant Hose is manufactured to fit specific applications. Similar to OEM specifications. Approved for marine applications.
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Gates – Gates Green Stripe Heavy-Duty Vulco-Flex Coolant Hose, 26612 (Part No.26612)

Gates Green Stripe Heavy-Duty Vulco-Flex Coolant Hose, 26612

from

$44.99
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 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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Dayco – "Dayco Curved Radiator Hoses: EPDM Rubber, Standard Duty, 22"" Long, 1.50"" Diameter, E70734" (Part No.E70734)

"Dayco Curved Radiator Hoses: EPDM Rubber, Standard Duty, 22"" Long, 1.50"" Diameter, E70734"

from

$16.49
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 Flex Radiator Hoses EPDM Rubber, 3 Inch Long, 1.5 Inch Inner Dia., 81221 (Part No.81221)

Dayco Flex Radiator Hoses EPDM Rubber, 3 Inch Long, 1.5 Inch Inner Dia., 81221

from

$44.99
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, 25476 (Part No.25476)

Gates Vulco-Flex II Flexible Coolant Hose, 25476

from

$30.99
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.
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Gates – Gates Premium Molded Coolant Hose, 20386 (Part No.20386)

Gates Premium Molded Coolant Hose, 20386

from

$31.99
Gates Molded Coolant Hose is manufactured to fit specific applications. Similar to OEM specifications. Approved for marine applications.
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Dayco – Dayco 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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Most Popular Coolant Hoses for 1977 GMC G25s

Enhance your 1977 GMC G25 with one of the 2 Coolant Hoses we have in stock, starting at just $16.49.

Dayco – Dayco Flex Radiator Hoses EPDM Rubber, 3 Inch Long, 1.5 Inch Inner Dia., 81221 (Part No.81221)

Dayco Flex Radiator Hoses EPDM Rubber, 3 Inch Long, 1.5 Inch Inner Dia., 81221

from

$44.99
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.
See More

Dayco – "Dayco Curved Radiator Hoses: EPDM Rubber, Standard Duty, 22"" Long, 1.50"" Diameter, E70734" (Part No.E70734)

"Dayco Curved Radiator Hoses: EPDM Rubber, Standard Duty, 22"" Long, 1.50"" Diameter, E70734"

from

$16.49
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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Best-Selling 1977 GMC G25 Coolant Expansion Tank Hose

Upgrade your G25 with our best-selling Coolant Expansion Tank Hose.

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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Top-Quality By-Pass Hoses for 1977 GMC G25s

Choose a high-quality OEM or aftermarket By-Pass Hose for GMC G25s and enjoy top-notch performance from $11.49.

Gates – Gates Premium Molded Coolant Hose, 20925 (Part No.20925)

Gates Premium Molded Coolant Hose, 20925

from

$31.99
Gates Molded Coolant Hose is manufactured to fit specific applications. Similar to OEM specifications. Approved for marine applications.
See More

Dayco – "Dayco Curved Radiator Hoses: EPDM Rubber, Standard Duty, 4.50"" Long, .63"" Diameter, A70785" (Part No.A70785)

"Dayco Curved Radiator Hoses: EPDM Rubber, Standard Duty, 4.50"" Long, .63"" Diameter, A70785"

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.
See More

FAQs for 1977 GMC G25 Radiator Hoses

What are the best-selling Radiator Hoses for 1977 GMC G25s?

What’s the price range for 1977 GMC G25 Radiator Hoses?

The prices of Radiator Hoses for the 1977 GMC G25 range from $1.29 up to $44.99 for the most premium parts.

What is the average price of a Radiator Hose for a 1977 GMC G25?

The average price for Radiator Hoses for the 1977 GMC G25 is $18.92. 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 G25 model years?

Yes, we carry Radiator Hoses for 3 model years of GMC G25s between 1968 and 1978. The following model years are the most popular for Radiator Hose purchases: 1978, 1976, 1975, and 1968.

Does Advance Auto Parts sell Radiator Hoses for any other 1977 GMC models?

Yes. We stock Radiator Hoses for 13 other popular 1977 GMC models. Some of the most popular are 1977 Jimmy Radiator Hoses, 1977 K25 Radiator Hoses, 1977 K15 Radiator Hoses, 1977 C25 Radiator Hoses, and 1977 C15 Radiator Hoses.

What types of Radiator Hoses do you sell for my 1977 GMC G25?

As of 8/2/26, these are some of the most in-demand types of Radiator Hoses for a 1977 GMC G25:

Can I get help with 1977 GMC G25 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 G25 Radiator Hoses?

Advance Auto Parts keeps returns simple. For new GMC G25 Radiator Hoses and accessories, your online orders can be returned, in their original condition, within 45 days. For requirements, see the returns page.