1981 GMC C3500 Radiator Hoses
Keep Your 1981 GMC C3500 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 C3500 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 $31.99 with an average 4.5 star rating. With over 1 reviews and a solid 5.0 star average, you can shop with confidence knowing other GMC C3500 owners approve.
Competitive Prices and Extensive Inventory
The average price for a 1981 GMC C3500 Radiator Hose at Advance Auto Parts is around $26.11, with a range that starts at $1.29 and goes up to $64.99. With 9 options in stock from 2 trusted brands, finding the right fit is easy. Popular picks like Gates Vulco-Flex II Flexible Coolant Hose, 25311, Gates Premium Molded Coolant Hose, 21204, and Gates Premium Molded Coolant Hose, 20843 start at just $14.85 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 GMC C3500 in peak condition, inside and out.
Find Your Specific 1981 GMC C3500 Radiator Hoses
Looking for the perfect Radiator Hose for your 1981 GMC C3500? You’re in the right place. Below, you’ll find links to various types of Radiator Hoses that fit your vehicle. At Advance Auto Parts, we offer only the highest quality OEM and aftermarket Radiator Hoses, ensuring durability and a precise fit for your GMC C3500. Whether you’re driving a 1981 model or another popular model year like
1991,
1992,
1993,
1994,
1995,
1996,
1997,
1998, and
1999, we’ve got you covered. Purchasing Radiator Hoses from Advance Auto Parts is a smart choice, giving you access to trusted brands and parts built to perform. Below, you’ll find links to various types of Radiator Hoses that fit your vehicle.
Essential 1981 GMC C3500 Radiator Hoses
Gates – Gates Molded 90 Degree Heater Hose, 28474 (Part No.28474)
from
$16.79
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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Dayco – "Dayco Curved Radiator Hoses: EPDM Rubber, Standard Duty, 5"" Long, 1"" Diameter, B72060" (Part No.B72060)
from
$7.49
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 Molded Heater Hose EPDM Rubber, 3/4 Inch Diameter, 7 Inch Length, 88387 (Part No.88387)
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 €œquick connect€ end allows for fast, convenient installation.
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Gates – Gates ThermalPro Premium Molded Coolant Hose, 20338 (Part No.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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Gates – Gates ThermalPro Premium Molded Heater Hose, 19025 (Part No.19025)
from
$17.49
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.
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Gates – Gates Premium Molded Coolant Hose, 20925 (Part No.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 Safety Stripe Standard Straight Heater Hose (Sold by foot), 28410 (Part No.28410)
Dayco – "Dayco Curved Radiator Hoses: EPDM Rubber, Standard Duty, 4.50"" Long, .63"" Diameter, A70785" (Part No.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 Molded 90 Degree Heater Hose, 28475 (Part No.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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Dayco – Dayco Straight Heater Hose EPDM Rubber, 3/4 Inch Diameter (Sold by foot), 80273 (Part No.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 Curved Radiator Hoses: EPDM Rubber, Standard Duty, 23.50"" Long, 1.25"" Diameter, E71425" (Part No.E71425)
from
$46.99
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, 27"" Long, 1.25"" Diameter, E71881" (Part No.E71881)
from
$52.99
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, 15"" Long, 1.50"" Diameter, C70752" (Part No.C70752)
from
$31.99
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, 22 Inch Long, 1.75 Inch to 1.5 Inch Inner Dia., 81271 (Part No.81271)
from
$45.99
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, 24"" Long, 1.50"" Diameter, E70935" (Part No.E70935)
from
$52.99
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 Vulco-Flex II Flexible Coolant Hose, 25532 (Part No.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.
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Gates – Gates Premium Molded Coolant Hose, 20843 (Part No.20843)
from
$25.49
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, 21201 (Part No.21201)
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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Gates – Gates Premium Molded Coolant Hose, 21940 (Part No.21940)
from
$59.99
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, 21204 (Part No.21204)
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, 29"" Long, .72"" Diameter, E71782" (Part No.E71782)
from
$29.99
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, 16.50"" Long, 1.50"" Diameter, D70649" (Part No.D70649)
from
$35.99
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 Premium Molded Coolant Hose, 21941 (Part No.21941)
from
$32.99
Gates Molded Coolant Hose is manufactured to fit specific applications. Similar to OEM specifications. Approved for marine applications.
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Gates – Gates Vulco-Flex II Flexible Coolant Hose, 25311 (Part No.25311)
from
$64.99
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, 20868 (Part No.20868)
from
$47.49
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, 22210 (Part No.22210)
from
$17.99
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, 20"" Long, 1.50"" Diameter, E70392" (Part No.E70392)
from
$17.49
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, 21.50"" Long, 1.25"" Diameter, E71880" (Part No.E71880)
from
$51.99
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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Popular 1981 GMC C3500 Radiator Hoses Categories
Most Popular Coolant Expansion Tank Hose for 1981 GMC C3500s
Enhance your 1981 GMC C3500 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)
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 GMC C3500 By-Pass Hoses
Upgrade your C3500 with one of our 2 best-selling By-Pass Hoses.
Gates – Gates Premium Molded Coolant Hose, 20925 (Part No.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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Dayco – "Dayco Curved Radiator Hoses: EPDM Rubber, Standard Duty, 4.50"" Long, .63"" Diameter, A70785" (Part No.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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Top-Quality Coolant Hoses for 1981 GMC C3500s
Choose a high-quality OEM or aftermarket Coolant Hose for GMC C3500s and enjoy top-notch performance from $25.49.
Dayco – "Dayco Curved Radiator Hoses: EPDM Rubber, Standard Duty, 15"" Long, 1.50"" Diameter, C70752" (Part No.C70752)
from
$31.99
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 Vulco-Flex II Flexible Coolant Hose, 25311 (Part No.25311)
from
$64.99
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 Premium Molded Coolant Hose, 21204 (Part No.21204)
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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Gates – Gates Premium Molded Coolant Hose, 20843 (Part No.20843)
from
$25.49
Gates Molded Coolant Hose is manufactured to fit specific applications. Similar to OEM specifications. Approved for marine applications.
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Gates – Gates Vulco-Flex II Flexible Coolant Hose, 25532 (Part No.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 Premium Molded Coolant Hose, 21201 (Part No.21201)
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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Top-Rated Radiator Hose Brands For Your 1981 GMC C3500
When it comes to finding the perfect Radiator Hose for your 1981 GMC C3500, 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 $31.99. Purchasing a Radiator Hose from us here at Advance Auto Parts is a smart move for both you and your 1981 GMC C3500, providing peace of mind with parts that meet or exceed OEM standards.
Popular Dayco 1981 GMC C3500 Radiator Hoses
If you’re looking for a top-quality Radiator Hose for your 1981 GMC C3500, Advance Auto Parts has exactly what you need with our selection of Dayco Radiator Hoses. We have 1 Dayco Radiator Hoses in stock for this fitment, all known for their durability and precision fit. With prices starting at just $31.99, you’ll find the perfect Radiator Hose for your needs and budget. Dayco Radiator Hoses for the 1981 GMC C3500 come highly rated, with over 1 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.
from
$31.99
(1)
"Dayco Curved Radiator Hoses: EPDM Rubber, Standard Duty, 15"" Long, 1.50"" Diameter, C70752"
“Fit my modified big block in a 1985 Jimmy. Worked good and had to guess and used 1974 suburban 454. I was happy with results. Zendog”
FAQs for 1981 GMC C3500 Radiator Hoses
What are the best-selling Radiator Hoses for 1981 GMC C3500s?
Out of 9 Radiator Hoses that fit 1981 GMC C3500s, the following parts are the top sellers:
- Gates Vulco-Flex II Flexible Coolant Hose, 25311 (10911307) – $64.99
- Gates Premium Molded Coolant Hose, 21204 (10511207) – $28.99
- Gates Premium Molded Coolant Hose, 20843 (10511538) – $25.49
What’s the price range for 1981 GMC C3500 Radiator Hoses?
The prices of Radiator Hoses for the 1981 GMC C3500 range from $1.29 up to $64.99 for the most premium parts.
What is the average price of a Radiator Hose for a 1981 GMC C3500?
The average price for Radiator Hoses for the 1981 GMC C3500 is $26.11. 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 C3500 model years?
What are the cheapest Radiator Hoses for my 1981 GMC C3500?
The cheapest 1981 GMC C3500 Radiator Hoses we carry are:
- Dayco Straight Heater Hose EPDM Rubber, 3/4 Inch Diameter (Sold by foot), 80273 (10844595) – $1.29
- "Dayco Curved Radiator Hoses: EPDM Rubber, Standard Duty, 4.50"" Long, .63"" Diameter, A70785" (5196337) – $11.49
- Gates Premium Molded Coolant Hose, 20843 (10511538) – $25.49
- Gates Premium Molded Coolant Hose, 21204 (10511207) – $28.99
- Gates Premium Molded Coolant Hose, 21201 (10910268) – $28.99
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 are the top-rated Radiator Hoses that fit the 1981 GMC C3500?
The one 1981 GMC C3500 Radiator Hose we have in stock is the Dayco Straight Heater Hose EPDM Rubber, 3/4 Inch Diameter (Sold by foot), 80273. It costs $1.29.
What types of Radiator Hoses do you sell for my 1981 GMC C3500?
As of 8/2/26, these are some of the most in-demand types of Radiator Hoses for a 1981 GMC C3500:
Can I get help with 1981 GMC C3500 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 C3500 Radiator Hoses?
Advance Auto Parts keeps returns simple. For new GMC C3500 Radiator Hoses and accessories, your online orders can be returned, in their original condition, within 45 days. For requirements, see the returns page.