1981 GMC C5000 Radiator Hoses
Keep Your 1981 GMC C5000 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 C5000 looking sharp and performing at its best. At Advance Auto Parts we carry a wide selection of dependable options, including Coolant 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 1981 GMC C5000 Radiator Hose at Advance Auto Parts is around $36.87, with a range that starts at $4.79 and goes up to $80.99. With 6 options in stock from 2 trusted brands, finding the right fit is easy. Popular picks like Vulco-Flex II Flexible Coolant Hose, Premium Molded Coolant Hose, and Premium Molded Coolant Hose start at just $35.99 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 C5000 in peak condition, inside and out.
Find Your Specific 1981 GMC C5000 Radiator Hoses
Looking for the perfect Radiator Hose for your 1981 GMC C5000? 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 C5000. Whether you’re driving a 1981 model or another popular model year like
1982,
1983,
1984,
1985,
1986,
1987,
1988,
1989, and
1990, 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 C5000 Radiator Hoses
Dayco – Curved Radiator Hoses: EPDM Rubber, Standard Duty, 4.50" Long, .63" Diameter (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.
Product Features:
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Product Features:
- Meets SAE J20R4, Class D-1 requirements
- Meets Type EC electro-chemical requirements as specified in SAE J1684, which prevents inner tube deterioration caused by the build-up of static electric charges
- Provides excellent protection against external elements
Gates – Premium Molded Coolant Hose (Part No.20925)
from
$28.99
Gates Molded Coolant Hose is manufactured to fit specific applications. Similar to OEM specifications. Approved for marine applications.
Product Features:
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Product Features:
- Specifically designed materials resist collapse under vacuum
- Designed to withstand electrochemical degradation, the leading cause of hose failure
- Pre-shaped to fit and to ensure perfectly sealed conditions
- EPDM tube; knitted synthetic fiber reinforcement; EPDM lid resistant to heat, ozone and chemical refrigerants
- Meets the requirements of SAE 20R4, Class D2 and DIN 73411, Class A (except for tolerances)
- Temperature Range: -40 Deg. F to +257 Deg. F (-40 Deg. C to +125 Deg. C)
- Note: Gates recommends replacing hose clamps each time a new coolant hose is installed
- Warning: Do not use for fuel or oil transfer applications
Gates – Vulco-Flex II Flexible Coolant Hose (Part No.25804)
from
$58.99
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.
Product Features:
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Product Features:
- Improved sealing surface for increased leak resistance
- High flexibility for easy installation
- Maximum vehicle coverage with minimal inventory
- Heat, oil and ozone resistant
- Rated for SAE 20R5 Class D-2 performance
- Temperature Range: up to +257 Degrees F (+125 Degrees C)
- Note: Gates recommends replacing clamps and connectors each time a new cooling hose is installed.
- Caution: Do not use for fuel or oil transfer applications
Gates – Premium Molded Coolant Hose (Part No.20489)
from
$35.99
Gates Molded Coolant Hose is manufactured to fit specific applications. Similar to OEM specifications. Approved for marine applications.
Product Features:
See More
Product Features:
- Specifically designed materials resist collapse under vacuum
- Designed to withstand electrochemical degradation, the leading cause of hose failure
- Pre-shaped to fit and to ensure perfectly sealed conditions
- EPDM Tube; synthetic fiber knit reinforcement; EPDM cover resistant to heat, ozone and chemical refrigerants
- Meets the requirements of SAE 20R4, Class D2 and DIN 73411, Class A (except for tolerances)
- Temperature range -40 degrees F to +257 degrees F (-40 degrees C to +125 degrees C)
- Note: Gates recommends replacing clamps and connectors each time a new cooling hose is installed.
- Caution: Do not use for fuel or oil transportation applications.
Gates – Premium Molded Coolant Hose (Part No.21095)
from
$80.99
Gates Molded Coolant Hose is manufactured to fit specific applications. Similar to OEM specifications. Approved for marine applications.
Product Features:
See More
Product Features:
- Materials specially designed to resist collapse in a vacuum
- Engineered to resist electrochemical degradation, the leading cause of hose failure
- Pre-shaped to fit and to ensure perfectly sealed conditions
- EPDM Tube; synthetic fiber knit reinforcement; EPDM cover resistant to heat, ozone and chemical refrigerants
- Meets requirements of SAE 20R4, class D2 and DIN 73411, class A (except for tolerances)
- Temperature Range: -40 Deg. F to +257 Deg. F (-40 Deg. C to +125 Deg. C)
- Note: Gates recommends replacing clamps and connectors each time a new radiator hose is installed.
- Warning: Do not use for fuel or oil transfer applications
Popular 1981 GMC C5000 Radiator Hoses Categories
Most Popular Coolant Hoses for 1981 GMC C5000s
Enhance your 1981 GMC C5000 with one of the 3 Coolant Hoses we have in stock, starting at just $35.99.
Gates – Vulco-Flex II Flexible Coolant Hose (Part No.25804)
from
$58.99
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.
Product Features:
See More
Product Features:
- Improved sealing surface for increased leak resistance
- High flexibility for easy installation
- Maximum vehicle coverage with minimal inventory
- Heat, oil and ozone resistant
- Rated for SAE 20R5 Class D-2 performance
- Temperature Range: up to +257 Degrees F (+125 Degrees C)
- Note: Gates recommends replacing clamps and connectors each time a new cooling hose is installed.
- Caution: Do not use for fuel or oil transfer applications
Gates – Premium Molded Coolant Hose (Part No.21095)
from
$80.99
Gates Molded Coolant Hose is manufactured to fit specific applications. Similar to OEM specifications. Approved for marine applications.
Product Features:
See More
Product Features:
- Materials specially designed to resist collapse in a vacuum
- Engineered to resist electrochemical degradation, the leading cause of hose failure
- Pre-shaped to fit and to ensure perfectly sealed conditions
- EPDM Tube; synthetic fiber knit reinforcement; EPDM cover resistant to heat, ozone and chemical refrigerants
- Meets requirements of SAE 20R4, class D2 and DIN 73411, class A (except for tolerances)
- Temperature Range: -40 Deg. F to +257 Deg. F (-40 Deg. C to +125 Deg. C)
- Note: Gates recommends replacing clamps and connectors each time a new radiator hose is installed.
- Warning: Do not use for fuel or oil transfer applications
Gates – Premium Molded Coolant Hose (Part No.20489)
from
$35.99
Gates Molded Coolant Hose is manufactured to fit specific applications. Similar to OEM specifications. Approved for marine applications.
Product Features:
See More
Product Features:
- Specifically designed materials resist collapse under vacuum
- Designed to withstand electrochemical degradation, the leading cause of hose failure
- Pre-shaped to fit and to ensure perfectly sealed conditions
- EPDM Tube; synthetic fiber knit reinforcement; EPDM cover resistant to heat, ozone and chemical refrigerants
- Meets the requirements of SAE 20R4, Class D2 and DIN 73411, Class A (except for tolerances)
- Temperature range -40 degrees F to +257 degrees F (-40 degrees C to +125 degrees C)
- Note: Gates recommends replacing clamps and connectors each time a new cooling hose is installed.
- Caution: Do not use for fuel or oil transportation applications.
Best-Selling 1981 GMC C5000 By-Pass Hoses
Upgrade your C5000 with one of our 3 best-selling By-Pass Hoses.
Gates – Premium Molded Coolant Hose (Part No.20925)
from
$28.99
Gates Molded Coolant Hose is manufactured to fit specific applications. Similar to OEM specifications. Approved for marine applications.
Product Features:
See More
Product Features:
- Specifically designed materials resist collapse under vacuum
- Designed to withstand electrochemical degradation, the leading cause of hose failure
- Pre-shaped to fit and to ensure perfectly sealed conditions
- EPDM tube; knitted synthetic fiber reinforcement; EPDM lid resistant to heat, ozone and chemical refrigerants
- Meets the requirements of SAE 20R4, Class D2 and DIN 73411, Class A (except for tolerances)
- Temperature Range: -40 Deg. F to +257 Deg. F (-40 Deg. C to +125 Deg. C)
- Note: Gates recommends replacing hose clamps each time a new coolant hose is installed
- Warning: Do not use for fuel or oil transfer applications
Dayco – Curved Radiator Hoses: EPDM Rubber, Standard Duty, 4.50" Long, .63" Diameter (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.
Product Features:
See More
Product Features:
- Meets SAE J20R4, Class D-1 requirements
- Meets Type EC electro-chemical requirements as specified in SAE J1684, which prevents inner tube deterioration caused by the build-up of static electric charges
- Provides excellent protection against external elements
Gates – Green Stripe Heavy-Duty Straight Heater Hose (Sold by foot) (Part No.28441)
from
$4.79
Heavy-duty construction assures dependable operation in truck, bus and off-road equipment heater systems. For a maintenance free connection, install with Power-Grip SB clamps. Approved for marine applications.
Product Features:
See More
Product Features:
- Green strip construction offers the best cost per mile
- Abrasion resistant cover
- Engineered with materials to resist electrochemical degradation
- Reduces water loss from water permeating the hose wall and cover
- Exceeds SAE 20R1 Type EC (Class D-1 tube and cover Standard Wall)
- Temperature Range: -40 Deg. F to +275 Deg. F (-40 Deg. C to +135 Deg. C)
- Note: For a maintenance-free connection, use PowerGrip SB clamps
- Caution: Do not use for fuel or oil transportation applications.
- PLEASE NOTE: Item is priced and sold by the foot. See store for details.
FAQs for 1981 GMC C5000 Radiator Hoses
What are the best-selling Radiator Hoses for 1981 GMC C5000s?
Out of 6 Radiator Hoses that fit 1981 GMC C5000s, the following parts are the top sellers:
- Vulco-Flex II Flexible Coolant Hose (10505119) – $58.99
- Premium Molded Coolant Hose (10909986) – $35.99
- Premium Molded Coolant Hose (10910194) – $80.99
What’s the price range for 1981 GMC C5000 Radiator Hoses?
The prices of Radiator Hoses for the 1981 GMC C5000 range from $4.79 up to $80.99 for the most premium parts.
What is the average price of a Radiator Hose for a 1981 GMC C5000?
The average price for Radiator Hoses for the 1981 GMC C5000 is $36.87. 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 C5000 model years?
What are the cheapest Radiator Hoses for my 1981 GMC C5000?
The cheapest 1981 GMC C5000 Radiator Hoses we carry are:
- Green Stripe Heavy-Duty Straight Heater Hose (Sold by foot) (10504904) – $4.79
- Curved Radiator Hoses: EPDM Rubber, Standard Duty, 4.50" Long, .63" Diameter (5196337) – $11.49
- Premium Molded Coolant Hose (10910480) – $28.99
- Premium Molded Coolant Hose (10909986) – $35.99
- Vulco-Flex II Flexible Coolant Hose (10505119) – $58.99
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 types of Radiator Hoses do you sell for my 1981 GMC C5000?
As of 11/2/25, these are some of the most in-demand types of Radiator Hoses for a 1981 GMC C5000:
Can I get help with 1981 GMC C5000 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 C5000 Radiator Hoses?
Advance Auto Parts keeps returns simple. For new GMC C5000 Radiator Hoses and accessories, your online orders can be returned, in their original condition, within 45 days. For requirements, see the returns page.