1978 GMC C15 Radiator Hoses
Keep Your 1978 GMC C15 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 1978 GMC C15 looking sharp and performing at its best. At Advance Auto Parts we carry a wide selection of dependable options, including and . 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 $14.99 with an average 4.5 star rating. With over 80 reviews and a solid 5 star average, you can shop with confidence knowing other GMC C15 owners approve.
Competitive Prices and Extensive Inventory
The average price for a 1978 GMC C15 Radiator Hose at Advance Auto Parts is around $21.53, with a range that starts at $3.99 and goes up to $45.99. With 14 options in stock from 2 trusted brands, finding the right fit is easy. Popular picks like Flex Radiator Hoses; EPDM Rubber, 21.44 Inch Long, 1.5 Inch Inner Dia., Curved Radiator Hoses: EPDM Rubber, Standard Duty, 18.25" Long, 1.50" Diameter, and Premium Molded Coolant Hose start at just $15.99 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 Oil Cooler Hoses. At Advance Auto Parts, we’re here to help you keep your 1978 GMC C15 in peak condition, inside and out.
Essential 1978 GMC C15 Radiator Hoses
Dayco – Flex Radiator Hoses; EPDM Rubber, 21.44 Inch Long, 1.5 Inch Inner Dia. (Part No.81492)
from
$15.99
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.
Product Features:
See More
Product Features:
- Designed to meet OE specifications
- Not suitable for oil or heat transfer
- Meets SAE J20R4, Class D-2 requirements for improved service hoses
- This hose is designed to prevent splitting, ballooning, and elongation
Dayco – Curved Radiator Hoses: EPDM Rubber, Standard Duty, 18.25" Long, 1.50" Diameter (Part No.E70883)
from
$26.49
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
Dayco – Flex Radiator Hoses; EPDM Rubber, 23.81 Inch Long, 1.5 Inch Inner Dia. (Part No.81491)
from
$18.49
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 -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.
Product Features:
See More
Product Features:
- Designed to meet OE specifications
- Not suitable for oil or heat transfer
- Meets SAE J20R4, Class D-2 requirements for improved service hoses
- This hose is designed to prevent splitting, ballooning, and elongation
Dayco – Curved Radiator Hoses: EPDM Rubber, Standard Duty, 22" Long, 1.50" Diameter (Part No.E70533)
from
$17.79
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 – Vulco-Flex II Flexible Coolant Hose (Part No.25482)
from
$26.49
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.
Product Features:
See More
Product Features:
- Improved sealing surface for greater leak resistance
- Their high flexibility makes installation easier
- Maximum vehicle coverage with minimum inventory
- Resistant to heat, oil and ozone
- Rated for SAE 20R5 Class D-2 performance
- Temperature range: up to +257 degrees Celsius. F (+125 Deg. C)
- Note: Gates recommends replacing clamps and connectors every time a new cooling hose is installed.
- Caution: Do not use for fuel or oil transport applications.
Dayco – Flex Radiator Hoses; EPDM Rubber, 19.5 In. Long, 1.75 In. to 1.5 In. Inner Dia. (Part No.81261)
from
$14.99
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.
Product Features:
See More
Product Features:
- Designed to meet OE specifications
- Not suitable for oil or heat transfer
- Meets SAE J20R4, Class D-2 requirements for improved service hoses
- This hose is designed to prevent splitting, ballooning, and elongation
Gates – Vulco-Flex II Flexible Coolant Hose (Part No.25806)
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.
Product Features:
See More
Product Features:
- Improved sealing surface for greater leak resistance
- High flexibility for easy installation
- Maximum vehicle coverage with a minimum inventory
- Resistant to heat, oil, and ozone
- Rated for SAE 20R5 Class D-2 performance
- Temperature range: up to +257 degrees Celsius. F (+125 Deg. C)
- Note: Gates recommends replacing 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.25487)
from
$35.49
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.
Product Features:
See More
Product Features:
- Improved sealing surface for greater leak resistance
- High flexibility for easy installation
- Maximum vehicle coverage with a minimum inventory
- Resistant to heat, oil and ozone
- Rated for SAE 20R5 Class D-2 performance
- Temperature range: up to +257 degrees Celsius. F (+125 Deg. C)
- Note: Gates recommends replacing clamps and connectors every time a new cooling hose is installed.
- Caution: Do not use for fuel or oil transfer applications
Dayco – Curved Radiator Hoses: EPDM Rubber, Standard Duty, 18" Long, 1.50" Diameter (Part No.E70735)
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.
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 – Safety Stripe Standard Straight Heater Hose (Sold by foot) (Part No.28412)
from
$3.99
Premium hose constructed for long service life.
Product Features:
See More
Product Features:
- Good resistance to high temperatures over prolonged periods, which extends the service life.
- Compliant with SAE 20R3 Standard Wall Class D-2 requirements
- Temperature range: -40 Deg. F to +257 Deg. F (-40 Deg. C to +125 Deg. C)
- Warning: Do not use for fuel or oil transfer applications
- CAUTION: Do not use for fuel or oil transfer applications
- PLEASE NOTE: Item is priced and sold by the foot. See store for details.
Dayco – Curved Radiator Hoses: EPDM Rubber, Standard Duty, 19" Long, 1.50" Diameter (Part No.E70777)
from
$10.99
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.
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 – Premium Molded Coolant Hose (Part No.20843)
from
$23.79
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-engineered materials resist collapse under vacuum
- Engineered to resist electrochemical degradation, the leading cause of hose failure
- Pre-shaped to fit and ensure a perfect seal
- 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 Deg. F to +257 degrees F (-40 degrees C to +125 degrees C)
- Note: Gates recommends replacing clamps and connectors every time a new cooling hose is installed.
- Caution: Do not use for fuel or oil transport 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 – Safety Stripe Standard Straight Heater Hose (Sold by foot) (Part No.28411)
from
$3.79
Premium hose constructed for long service life.
Product Features:
See More
Product Features:
- Good resistance to high temperatures for long periods of time, which prolongs the service life
- Compliant with SAE 20R3 Standard Wall Class D-2 requirements
- Temperature Range: -40 Deg. F to +257 Deg. F (-40 Deg. C to +125 Deg. C)
- Warning: Do not use for fuel or oil transfer applications
- PLEASE NOTE: Item is priced and sold by the foot. See store for details.
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:
- The specially designed materials resist collapse under vacuum.
- Designed to resist electrochemical degradation, the main cause of casing failure
- Pre-shaped to fit and to ensure perfectly sealed conditions
- EPDM tube; synthetic fiber knit reinforcement; heat-, ozone- and chemical coolant-resistant EPDM cover
- It 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
- Caution: Do not use for fuel or oil transport applications.
Popular 1978 GMC C15 Radiator Hoses Categories
Most Popular By-Pass Hoses for 1978 GMC C15s
Enhance your 1978 GMC C15 with one of the 2 By-Pass Hoses we have in stock, starting at just $11.49.
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:
- The specially designed materials resist collapse under vacuum.
- Designed to resist electrochemical degradation, the main cause of casing failure
- Pre-shaped to fit and to ensure perfectly sealed conditions
- EPDM tube; synthetic fiber knit reinforcement; heat-, ozone- and chemical coolant-resistant EPDM cover
- It 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
- Caution: Do not use for fuel or oil transport 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
Best-Selling 1978 GMC C15 Coolant Hoses
Upgrade your C15 with one of our 12 best-selling Coolant Hoses, earning an average 4.38 stars rating across 19 reviews.
Dayco – Flex Radiator Hoses; EPDM Rubber, 19.5 In. Long, 1.75 In. to 1.5 In. Inner Dia. (Part No.81261)
from
$14.99
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.
Product Features:
See More
Product Features:
- Designed to meet OE specifications
- Not suitable for oil or heat transfer
- Meets SAE J20R4, Class D-2 requirements for improved service hoses
- This hose is designed to prevent splitting, ballooning, and elongation
Dayco – Flex Radiator Hoses; EPDM Rubber, 23.81 Inch Long, 1.5 Inch Inner Dia. (Part No.81491)
from
$18.49
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 -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.
Product Features:
See More
Product Features:
- Designed to meet OE specifications
- Not suitable for oil or heat transfer
- Meets SAE J20R4, Class D-2 requirements for improved service hoses
- This hose is designed to prevent splitting, ballooning, and elongation
Dayco – Curved Radiator Hoses: EPDM Rubber, Standard Duty, 18" Long, 1.50" Diameter (Part No.E70735)
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.
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
Dayco – Curved Radiator Hoses: EPDM Rubber, Standard Duty, 22" Long, 1.50" Diameter (Part No.E70533)
from
$17.79
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
Dayco – Flex Radiator Hoses; EPDM Rubber, 21.44 Inch Long, 1.5 Inch Inner Dia. (Part No.81492)
from
$15.99
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.
Product Features:
See More
Product Features:
- Designed to meet OE specifications
- Not suitable for oil or heat transfer
- Meets SAE J20R4, Class D-2 requirements for improved service hoses
- This hose is designed to prevent splitting, ballooning, and elongation
Dayco – Curved Radiator Hoses: EPDM Rubber, Standard Duty, 18.25" Long, 1.50" Diameter (Part No.E70883)
from
$26.49
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 – Premium Molded Coolant Hose (Part No.20843)
from
$23.79
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-engineered materials resist collapse under vacuum
- Engineered to resist electrochemical degradation, the leading cause of hose failure
- Pre-shaped to fit and ensure a perfect seal
- 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 Deg. F to +257 degrees F (-40 degrees C to +125 degrees C)
- Note: Gates recommends replacing clamps and connectors every time a new cooling hose is installed.
- Caution: Do not use for fuel or oil transport applications.
Gates – Vulco-Flex II Flexible Coolant Hose (Part No.25806)
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.
Product Features:
See More
Product Features:
- Improved sealing surface for greater leak resistance
- High flexibility for easy installation
- Maximum vehicle coverage with a minimum inventory
- Resistant to heat, oil, and ozone
- Rated for SAE 20R5 Class D-2 performance
- Temperature range: up to +257 degrees Celsius. F (+125 Deg. C)
- Note: Gates recommends replacing 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.25487)
from
$35.49
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.
Product Features:
See More
Product Features:
- Improved sealing surface for greater leak resistance
- High flexibility for easy installation
- Maximum vehicle coverage with a minimum inventory
- Resistant to heat, oil and ozone
- Rated for SAE 20R5 Class D-2 performance
- Temperature range: up to +257 degrees Celsius. F (+125 Deg. C)
- Note: Gates recommends replacing clamps and connectors every time a new cooling hose is installed.
- Caution: Do not use for fuel or oil transfer applications
Gates – Vulco-Flex II Flexible Coolant Hose (Part No.25482)
from
$26.49
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.
Product Features:
See More
Product Features:
- Improved sealing surface for greater leak resistance
- Their high flexibility makes installation easier
- Maximum vehicle coverage with minimum inventory
- Resistant to heat, oil and ozone
- Rated for SAE 20R5 Class D-2 performance
- Temperature range: up to +257 degrees Celsius. F (+125 Deg. C)
- Note: Gates recommends replacing clamps and connectors every time a new cooling hose is installed.
- Caution: Do not use for fuel or oil transport applications.
Dayco – Curved Radiator Hoses: EPDM Rubber, Standard Duty, 19" Long, 1.50" Diameter (Part No.E70777)
from
$10.99
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.
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 – Safety Stripe Standard Straight Heater Hose (Sold by foot) (Part No.28412)
from
$3.99
Premium hose constructed for long service life.
Product Features:
See More
Product Features:
- Good resistance to high temperatures over prolonged periods, which extends the service life.
- Compliant with SAE 20R3 Standard Wall Class D-2 requirements
- Temperature range: -40 Deg. F to +257 Deg. F (-40 Deg. C to +125 Deg. C)
- Warning: Do not use for fuel or oil transfer applications
- CAUTION: Do not use for fuel or oil transfer applications
- PLEASE NOTE: Item is priced and sold by the foot. See store for details.
Top-Rated Radiator Hose Brands For Your 1978 GMC C15
When it comes to finding the perfect Radiator Hose for your 1978 GMC C15, 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 $14.99. Purchasing a Radiator Hose from us here at Advance Auto Parts is a smart move for both you and your 1978 GMC C15, providing peace of mind with parts that meet or exceed OEM standards.
Popular Dayco 1978 GMC C15 Radiator Hoses
If you’re looking for a top-quality Radiator Hose for your 1978 GMC C15, 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 $14.99 and an average cost of $21.16, you’ll find the perfect Radiator Hose for your needs and budget. Dayco Radiator Hoses for the 1978 GMC C15 come highly rated, with over 16 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
$14.99
(3)
Flex Radiator Hoses; EPDM Rubber, 19.5 In. Long, 1.75 In. to 1.5 In. Inner Dia.
“Worked great.”
FAQs for 1978 GMC C15 Radiator Hoses
What are the best-selling Radiator Hoses for 1978 GMC C15s?
Out of 14 Radiator Hoses that fit 1978 GMC C15s, the following parts are the top sellers:
- Flex Radiator Hoses; EPDM Rubber, 21.44 Inch Long, 1.5 Inch Inner Dia. (5191289) – $15.99
- Curved Radiator Hoses: EPDM Rubber, Standard Duty, 18.25" Long, 1.50" Diameter (5190150) – $26.49
- Premium Molded Coolant Hose (10511538) – $23.79
What’s the price range for 1978 GMC C15 Radiator Hoses?
The prices of Radiator Hoses for the 1978 GMC C15 range from $3.99 up to $45.99 for the most premium parts.
What is the average price of a Radiator Hose for a 1978 GMC C15?
The average price for Radiator Hoses for the 1978 GMC C15 is $21.53. 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 C15 model years?
What are the cheapest Radiator Hoses for my 1978 GMC C15?
The cheapest 1978 GMC C15 Radiator Hoses we carry are:
- Safety Stripe Standard Straight Heater Hose (Sold by foot) (10505007) – $3.99
- Curved Radiator Hoses: EPDM Rubber, Standard Duty, 19" Long, 1.50" Diameter (5191955) – $10.99
- Curved Radiator Hoses: EPDM Rubber, Standard Duty, 4.50" Long, .63" Diameter (5196337) – $11.49
- Flex Radiator Hoses; EPDM Rubber, 19.5 In. Long, 1.75 In. to 1.5 In. Inner Dia. (5191203) – $14.99
- Flex Radiator Hoses; EPDM Rubber, 21.44 Inch Long, 1.5 Inch Inner Dia. (5191289) – $15.99
Does Advance Auto Parts sell Radiator Hoses for any other 1978 GMC models?
Yes. We stock Radiator Hoses for 12 other popular 1978 GMC models. Some of the most popular are 1978 Jimmy Radiator Hoses, 1978 Caballero Radiator Hoses, 1978 K25 Radiator Hoses, 1978 K15 Radiator Hoses, and 1978 G25 Radiator Hoses.
What are the top-rated Radiator Hoses that fit the 1978 GMC C15?
The one 1978 GMC C15 Radiator Hose we have in stock is the Safety Stripe Standard Straight Heater Hose (Sold by foot). It costs $3.99.
What types of Radiator Hoses do you sell for my 1978 GMC C15?
As of 3/1/26, these are some of the most in-demand types of Radiator Hoses for a 1978 GMC C15:
Can I get help with 1978 GMC C15 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 C15 Radiator Hoses?
Advance Auto Parts keeps returns simple. For new GMC C15 Radiator Hoses and accessories, your online orders can be returned, in their original condition, within 45 days. For requirements, see the returns page.