1978 Chevrolet P30 Engine Cooling Hoses

Keep Your 1978 Chevrolet P30 in Top Shape with Quality Engine Cooling Hoses

Whether you’re repairing or upgrading your Engine Cooling Hose, using high-quality parts is key to keeping your 1978 Chevrolet P30 looking sharp and performing at its best. At Advance Auto Parts we carry a wide selection of dependable options, including Lower Radiator Hoses and Upper Radiator 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 Engine Cooling Hoses from Trusted Brands

Looking for a reliable Engine Cooling Hose? We’ve got you covered with options from brands you know and trust like Dayco. For example, Dayco Engine Cooling Hoses start at just $14.99 with an average 4.5 star rating. With over 11 reviews and a solid 5 star average, you can shop with confidence knowing other Chevrolet P30 owners approve.

Competitive Prices and Extensive Inventory

The average price for a 1978 Chevrolet P30 Engine Cooling Hose at Advance Auto Parts is around $25.79, with a range that starts at $14.49 and goes up to $41.99. With 5 options in stock from 2 trusted brands, finding the right fit is easy. Popular picks like Flex Radiator Hoses; EPDM Rubber, 25 Inch Long, 1.5 Inch Inner Dia., Flex Radiator Hoses; EPDM Rubber, 21.44 Inch Long, 1.5 Inch Inner Dia., and Vulco-Flex½ II Flexible Coolant Hose start at just $14.49 and offer a great balance of form and function.

Explore Related Parts

While you’re upgrading or replacing your Engine Cooling 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 1978 Chevrolet P30 in peak condition, inside and out.

Essential 1978 Chevrolet P30 Engine Cooling Hoses

Dayco – Curved Radiator Hoses: EPDM Rubber, Standard Duty, 13.50" Long, 1.31" Diameter (Part No.C70986)

Curved Radiator Hoses: EPDM Rubber, Standard Duty, 13.50" Long, 1.31" Diameter

from

$32.99
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:
  • 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
See More

Dayco – Curved Radiator Hoses: EPDM Rubber, Standard Duty, 22" Long, 1.72" Diameter (Part No.E71958)

Curved Radiator Hoses: EPDM Rubber, Standard Duty, 22" Long, 1.72" Diameter

from

$39.99
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:
  • 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
See More

Gates – Molded Heater Hose: EPDM, Direct Fit, 1.27" Inside Diameter (Part No.22266)

Molded Heater Hose: EPDM, Direct Fit, 1.27" Inside Diameter

from

$52.99
Gates Molded Coolant Hose is manufactured to fit specific applications. Similar to OEM specifications. Approved for marine applications.

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 to ensure perfectly sealed conditions
  • EPDM tube; synthetic fiber knit reinforcement; heat-, ozone- and chemical coolant-resistant EPDM cover
  • 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 hose clamps each time a new coolant hose is installed
  • Caution: Do not use for fuel or oil transfer applications
See More

Gates – Premium Molded Coolant Hose (Part No.21201)

Premium Molded Coolant Hose

from

$32.99
Gates Molded Coolant Hose is manufactured to fit specific applications. Similar to OEM specifications. Approved for marine applications.

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 to ensure perfectly sealed conditions
  • EPDM tube: synthetic fiber knit reinforcement: heat-, ozone- and chemical coolant-resistant EPDM cover
  • 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 hose clamps each time a new coolant hose is installed
  • Caution: Do not use for fuel or oil transfer applications
See More

ACDelco – Professional Molded Coolant Hose (Part No.G2000583906ACD)

Professional Molded Coolant Hose

from

$40.66
ACDelco Professional, premium aftermarket Molded Coolant Hoses are composed of specially blended materials to help resist electrochemical degradation (ECD), the leading cause of hose failure. They are specially designed, GM OE style factory-molded hoses to fit today’s smaller, tighter-fitting engine compartments. ACDelco Professional Molded Coolant Hoses are temperature rated from -40 degrees Fahrenheit to 275 degrees Fahrenheit (-40 degrees Celsius to 135 degrees Celsius) and are approved for Marine applications. Do not use for fuel or oil transfer applications. These premium aftermarket replacement molded coolant hoses are manufactured to meet or exceed your expectations for fit, form, and function.

Product Features:
  • Has a heat and ozone resistant cover to increase the life of the hose
  • Comes with a protective sleeve to help duplicate GM OE designs for proper fit and function
  • Made of re-engineered materials to resist vacuum collapse and also reduce the need for internal springs in many applications
  • Installs without buckling, bending out of shape, or straining at the connection for easy installation
  • Inside diameters ranges from 1?4 in to 1 in to fit different types of vehicles
See More

Dayco – Flex Radiator Hoses; EPDM Rubber, 19.5 In. Long, 1.75 In. to 1.5 In. Inner Dia. (Part No.81261)

Flex Radiator Hoses; EPDM Rubber, 19.5 In. Long, 1.75 In. to 1.5 In. Inner Dia.

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:
  • 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
See More

Dayco – Curved Radiator Hoses: EPDM Rubber, Standard Duty, 23.25" Long, 1.50" Diameter (Part No.E70724)

Curved Radiator Hoses: EPDM Rubber, Standard Duty, 23.25" Long, 1.50" Diameter

from

$43.99
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:
  • 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
See More

Dayco – Curved Radiator Hose (Part No.E71554)

Curved Radiator Hose

from

$20.79
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:
  • 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
See More

Gates – Vulco-Flex« II Flexible Coolant Hose (Part No.25808)

Vulco-Flex« II Flexible Coolant Hose

from

$54.99
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:
  • Improved sealing surface for greater leak resistance
  • High flexibility for easy installation
  • 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 Deg. F (+125 Deg. C)
  • Note: Gates recommends replacing clamps each time a new coolant hose is installed
  • Caution: Do not use for fuel or oil transfer applications
See More

Gates – Molded Heater Hose: EPDM, Direct Fit, 1.5" Inside Diameter (Part No.20686)

Molded Heater Hose: EPDM, Direct Fit, 1.5" Inside Diameter

from

$40.99
Gates Molded Coolant Hose is manufactured to fit specific applications. Similar to OEM specifications. Approved for marine applications.

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 to ensure perfectly sealed conditions
  • EPDM tube; synthetic fiber knit reinforcement; heat-, ozone- and chemical coolant-resistant EPDM cover
  • 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 hose clamps each time a new coolant hose is installed
  • Caution: Do not use for fuel or oil transfer applications
See More

Gates – Molded Heater Hose: EPDM, Direct Fit, 1.75" Inside Diameter (Part No.21377)

Molded Heater Hose: EPDM, Direct Fit, 1.75" Inside Diameter

from

$71.99
Gates Molded Coolant Hose is manufactured to fit specific applications. Similar to OEM specifications. Approved for marine applications.

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 to ensure perfectly sealed conditions
  • EPDM tube; synthetic fiber knit reinforcement; heat-, ozone- and chemical coolant-resistant EPDM cover
  • 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 hose clamps each time a new coolant hose is installed
  • Caution: Do not use for fuel or oil transfer applications
See More

Dayco – Curved Radiator Hoses: EPDM Rubber, Standard Duty, 20" Long, 1.25" Diameter (Part No.E71429)

Curved Radiator Hoses: EPDM Rubber, Standard Duty, 20" Long, 1.25" Diameter

from

$23.99
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:
  • 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
See More

Dayco – Curved Radiator Hoses: EPDM Rubber, Standard Duty, 24" Long, 1.50" Diameter (Part No.E70935)

Curved Radiator Hoses: EPDM Rubber, Standard Duty, 24" Long, 1.50" Diameter

from

$41.99
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:
  • 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
See More

ACDelco – Professional Molded Coolant Hose (Part No.G2000576717ACD)

Professional Molded Coolant Hose

from

$63.01
ACDelco Professional, premium aftermarket Molded Coolant Hoses are composed of specially blended materials to help resist electrochemical degradation (ECD), the leading cause of hose failure. They are specially designed, GM OE style factory-molded hoses to fit today’s smaller, tighter-fitting engine compartments. ACDelco Professional Molded Coolant Hoses are temperature rated from -40 degrees Fahrenheit to 275 degrees Fahrenheit (-40 degrees Celsius to 135 degrees Celsius) and are approved for Marine applications. Do not use for fuel or oil transfer applications. These premium aftermarket replacement molded coolant hoses are manufactured to meet or exceed your expectations for fit, form, and function.

Product Features:
  • Has a heat and ozone resistant cover to increase the life of the hose
  • Comes with a protective sleeve to help duplicate GM OE designs for proper fit and function
  • Made of re-engineered materials to resist vacuum collapse and also reduce the need for internal springs in many applications
  • Installs without buckling, bending out of shape, or straining at the connection for easy installation
  • Inside diameters ranges from 1?4 in to 1 in to fit different types of vehicles
See More

Gates – Vulco-Flex½ II Flexible Coolant Hose (Part No.25530)

Vulco-Flex½ II Flexible Coolant Hose

from

$35.49
Product Features:
  • Improved sealing surface for greater leak resistance
  • High flexibility for easy installation
  • 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 Deg. F (+125 Deg. C)
  • Note: Gates recommends replacing clamps each time a new coolant hose is installed
  • Caution: Do not use for fuel or oil transfer applications
See More

Gates – Premium Molded Coolant Hose (Part No.20841)

Premium Molded Coolant Hose

from

$26.99
Gates Molded Coolant Hose is manufactured to fit specific applications. Similar to OEM specifications. Approved for marine applications.

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 to ensure perfectly sealed conditions
  • EPDM tube: synthetic fiber knit reinforcement: heat-, ozone- and chemical coolant-resistant EPDM cover
  • 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 hose clamps each time a new coolant hose is installed
  • Caution: Do not use for fuel or oil transfer applications
See More

Gates – Premium Modular Coolant Hose (Part No.22237)

Premium Modular Coolant Hose

from

$238.99
Modular coolant hoses are on many of today’s vehicles and are much more complex than the standard molded hoses of the past. Modular coolant hoses are hose assemblies with one or more components built into the hose. Some examples of these components include hose branches, quick connectors, valves, sensors, bleeders and flow restrictors. Manufactured identical or equivalent to the OE hose, modular coolant hoses will keep your vehicle’s cooling system running properly and efficiently for years to come.

Product Features:
  • Specifically-engineered materials resist collapse under vacuum
  • Engineered to resist electrochemical degradation ┐ the leading cause of hose failure
  • EPDM tube: synthetic fiber knit reinforcement, heat-, ozone- and chemical coolant-resistant EPDM cover
  • Manufactured with OEM-exact hose components (quick connects, branch connectors/tees, sensors, etc.)
  • Meets SAE 20R3 EC Class D1 under 25mm (1 in.) ID, SAE 20R4 EC Class D1 for 25mm (1 in.) ID and over
  • Temperature Range: -40 Deg. F to +257 Deg. F (-40 Deg. C to +125 Deg. C)
  • Note: Gates recommends replacing clamps each time a new coolant hose is installed
  • Caution: Do not use for fuel or oil transfer applications
See More

Dayco – Curved Radiator Hoses: EPDM Rubber, Standard Duty, 21" Long, 1.50" Diameter (Part No.E71421)

Curved Radiator Hoses: EPDM Rubber, Standard Duty, 21" Long, 1.50" Diameter

from

$34.99
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:
  • 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
See More

Dayco – Curved Radiator Hoses: EPDM Rubber, Standard Duty, 17.38" Long, 1.75" Diameter (Part No.D70575)

Curved Radiator Hoses: EPDM Rubber, Standard Duty, 17.38" Long, 1.75" Diameter

from

$19.79
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:
  • 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
See More

ACDelco – Professional Molded Coolant Hose (Part No.G2000576796ACD)

Professional Molded Coolant Hose

from

$58.73
ACDelco Professional, premium aftermarket Molded Coolant Hoses are composed of specially blended materials to help resist electrochemical degradation (ECD), the leading cause of hose failure. They are specially designed, GM OE style factory-molded hoses to fit today’s smaller, tighter-fitting engine compartments. ACDelco Professional Molded Coolant Hoses are temperature rated from -40 degrees Fahrenheit to 275 degrees Fahrenheit (-40 degrees Celsius to 135 degrees Celsius) and are approved for Marine applications. Do not use for fuel or oil transfer applications. These premium aftermarket replacement molded coolant hoses are manufactured to meet or exceed your expectations for fit, form, and function.

Product Features:
  • Has a heat and ozone resistant cover to increase the life of the hose
  • Comes with a protective sleeve to help duplicate GM OE designs for proper fit and function
  • Made of re-engineered materials to resist vacuum collapse and also reduce the need for internal springs in many applications
  • Installs without buckling, bending out of shape, or straining at the connection for easy installation
  • Inside diameters ranges from 1?4 in to 1 in to fit different types of vehicles
See More

Dayco – Curved Radiator Hoses: EPDM Rubber, Standard Duty, 18.88" Long, 1.50" Diameter (Part No.E71430)

Curved Radiator Hoses: EPDM Rubber, Standard Duty, 18.88" Long, 1.50" Diameter

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:
  • 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
See More

Gates – Green Stripe« Heavy-Duty Vulco-Flex« Coolant Hose (Part No.26612)

Green Stripe« Heavy-Duty Vulco-Flex« Coolant Hose

from

$41.99
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.

Product Features:
  • Engineered to resist electrochemical degradation, the leading cause of hose failure
  • Built-in steel spiral wire allows for medium sized curves without kinking or collapsing
  • EPDM tube and Neoprene cover for extended service life
  • Polyester fabric-ply reinforcement vulcanizes into shape without unnecessary strain on connections
  • Resistant to heat, oil and ozone
  • Performs to SAE 20R5 Type EC Class D-2 specifications
  • Temperature Range: -40 Deg. F to +257 Deg. F (-40 Deg. C to +125 Deg. C)
  • Caution: Do not use for fuel or oil transfer applications
  • Caution: Do not use for fuel or oil transfer applications.
See More

Dayco – Curved Radiator Hoses: EPDM Rubber, Standard Duty, 24" Long, 1.25" Diameter (Part No.E71089)

Curved Radiator Hoses: EPDM Rubber, Standard Duty, 24" Long, 1.25" Diameter

from

$22.49
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:
  • 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
See More

Gates – Premium Molded Coolant Hose (Part No.20694)

Premium Molded Coolant Hose

from

$27.99
Gates Molded Coolant Hose is manufactured to fit specific applications. Similar to OEM specifications. Approved for marine applications.

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 to ensure perfectly sealed conditions
  • EPDM tube: synthetic fiber knit reinforcement: heat-, ozone- and chemical coolant-resistant EPDM cover
  • 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 hose clamps each time a new coolant hose is installed
  • Caution: Do not use for fuel or oil transfer applications
See More

Gates – Molded Heater Hose: EPDM, Direct Fit, 1.75" Inside Diameter (Part No.21731)

Molded Heater Hose: EPDM, Direct Fit, 1.75" Inside Diameter

from

$73.99
Gates Molded Coolant Hose is manufactured to fit specific applications. Similar to OEM specifications. Approved for marine applications.

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 to ensure perfectly sealed conditions
  • EPDM tube; synthetic fiber knit reinforcement; heat-, ozone- and chemical coolant-resistant EPDM cover
  • 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 hose clamps each time a new coolant hose is installed
  • Caution: Do not use for fuel or oil transfer applications
See More

Gates – Premium Molded Coolant Hose (Part No.21941)

Premium Molded Coolant Hose

from

$30.99
Gates Molded Coolant Hose is manufactured to fit specific applications. Similar to OEM specifications. Approved for marine applications.

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 to ensure perfectly sealed conditions
  • EPDM tube: synthetic fiber knit reinforcement: heat-, ozone- and chemical coolant-resistant EPDM cover
  • 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 hose clamps each time a new coolant hose is installed
  • Caution: Do not use for fuel or oil transfer applications
See More

Dayco – Flex Radiator Hoses; EPDM Rubber, 25 Inch Long, 1.5 Inch Inner Dia. (Part No.81201)

Flex Radiator Hoses; EPDM Rubber, 25 Inch Long, 1.5 Inch Inner Dia.

from

$21.99
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:
  • 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
See More

Most Popular Lower Radiator Hoses for 1978 Chevrolet P30s

Enhance your 1978 Chevrolet P30 with one of the 2 Lower Radiator Hoses we have in stock, starting at just $21.99.

Dayco – Flex Radiator Hoses; EPDM Rubber, 25 Inch Long, 1.5 Inch Inner Dia. (Part No.81201)

Flex Radiator Hoses; EPDM Rubber, 25 Inch Long, 1.5 Inch Inner Dia.

from

$21.99
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:
  • 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
See More

Gates – Vulco-Flex½ II Flexible Coolant Hose (Part No.25530)

Vulco-Flex½ II Flexible Coolant Hose

from

$35.49
Product Features:
  • Improved sealing surface for greater leak resistance
  • High flexibility for easy installation
  • 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 Deg. F (+125 Deg. C)
  • Note: Gates recommends replacing clamps each time a new coolant hose is installed
  • Caution: Do not use for fuel or oil transfer applications
See More

Best-Selling 1978 Chevrolet P30 Upper Radiator Hoses

Upgrade your P30 with one of our 3 best-selling Upper Radiator Hoses, earning an average 5 stars rating across 11 reviews.

Dayco – Curved Radiator Hoses: EPDM Rubber, Standard Duty, 24" Long, 1.50" Diameter (Part No.E70935)

Curved Radiator Hoses: EPDM Rubber, Standard Duty, 24" Long, 1.50" Diameter

from

$41.99
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:
  • 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
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Dayco – Flex Radiator Hoses; EPDM Rubber, 19.5 In. Long, 1.75 In. to 1.5 In. Inner Dia. (Part No.81261)

Flex Radiator Hoses; EPDM Rubber, 19.5 In. Long, 1.75 In. to 1.5 In. Inner Dia.

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:
  • 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
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Dayco – Flex Radiator Hoses; EPDM Rubber, 21.44 Inch Long, 1.5 Inch Inner Dia. (Part No.81492)

Flex Radiator Hoses; EPDM Rubber, 21.44 Inch Long, 1.5 Inch Inner Dia.

from

$14.49
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:
  • 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
See More

Top-Rated Engine Cooling Hose Brands For Your 1978 Chevrolet P30

When it comes to finding the perfect Engine Cooling Hose for your 1978 Chevrolet P30, 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 Engine Cooling 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 Engine Cooling Hose from us here at Advance Auto Parts is a smart move for both you and your 1978 Chevrolet P30, providing peace of mind with parts that meet or exceed OEM standards.

Popular Dayco 1978 Chevrolet P30 Engine Cooling Hoses

If you’re looking for a top-quality Engine Cooling Hose for your 1978 Chevrolet P30, Advance Auto Parts has exactly what you need with our selection of Dayco Engine Cooling Hoses. We have 2 Dayco Engine Cooling 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 $28.49, you’ll find the perfect Engine Cooling Hose for your needs and budget. Dayco Engine Cooling Hoses for the 1978 Chevrolet P30 come highly rated, with over 11 customer reviews and an impressive average rating of 4.5 stars. Choosing a Dayco Engine Cooling Hose from Advance Auto Parts is a smart move to ensure quality and value for your vehicle.
Curved Radiator Hoses: EPDM Rubber, Standard Duty, 24" Long, 1.50" Diameter
from $41.99
(8)
Curved Radiator Hoses: EPDM Rubber, Standard Duty, 24" Long, 1.50" Diameter
“Quality hose! Perfect fit! Just what I was looking for!”

FAQs for 1978 Chevrolet P30 Engine Cooling Hoses

What are the best-selling Engine Cooling Hoses for 1978 Chevrolet P30s?

Out of 5 Engine Cooling Hoses that fit 1978 Chevrolet P30s, the following parts are the top sellers:

What’s the price range for 1978 Chevrolet P30 Engine Cooling Hoses?

The prices of Engine Cooling Hoses for the 1978 Chevrolet P30 range from $14.49 up to $41.99 for the most premium parts.

What is the average price of an Engine Cooling Hoses Engine Cooling Hose for a 1978 Chevrolet P30?

The average price for Engine Cooling Hoses for the 1978 Chevrolet P30 is $25.79. Keep in mind the variety of part types within our Engine Cooling 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 Engine Cooling Hoses for other Chevrolet P30 model years?

Yes, we carry Engine Cooling Hoses for 25 model years of Chevrolet P30s between 1968 and 1999. The following model years are the most popular for Engine Cooling Hose purchases: 1999, 1998, 1997, 1996, 1995, 1994, 1993, 1992, and 1991.

What are the cheapest Engine Cooling Hoses for my 1978 Chevrolet P30?

Does Advance Auto Parts sell Engine Cooling Hoses for any other 1978 Chevrolet models?

Yes. We stock Engine Cooling Hoses for 23 other popular 1978 Chevrolet models. Some of the most popular are 1978 Impala Engine Cooling Hoses, 1978 Malibu Engine Cooling Hoses, 1978 Camaro Engine Cooling Hoses, 1978 Monte Carlo Engine Cooling Hoses, and 1978 Corvette Engine Cooling Hoses.

What are the top-rated Engine Cooling Hoses that fit the 1978 Chevrolet P30?

The one 1978 Chevrolet P30 Engine Cooling Hose we have in stock is the Flex Radiator Hoses; EPDM Rubber, 21.44 Inch Long, 1.5 Inch Inner Dia.. It costs $14.49.

What types of Engine Cooling Hoses do you sell for my 1978 Chevrolet P30?

As of 4/10/25, these are some of the most in-demand types of Engine Cooling Hoses for a 1978 Chevrolet P30:

Can I get help with 1978 Chevrolet P30 Engine Cooling Hose orders?

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

What is your return policy for Chevrolet P30 Engine Cooling Hoses?

Advance Auto Parts keeps returns simple. For new Chevrolet P30 Engine Cooling Hoses and accessories, your online orders can be returned, in their original condition, within 45 days. For requirements, see the returns page.