2004 Buick Century Radiator Hoses

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Keep Your 2004 Buick Century 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 2004 Buick Century 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.

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 $9.79 with an average 4.5 star rating. With over 78 reviews and a solid 5 star average, you can shop with confidence knowing other Buick Century owners approve.

Competitive Prices and Extensive Inventory

The average price for a 2004 Buick Century Radiator Hose at Advance Auto Parts is around $17.94, with a range that starts at $0.99 and goes up to $32.99. With 4 options in stock from one trusted brand, finding the right fit is easy. Popular picks like Straight Heater Hose; EPDM Rubber, 5/16 Inch Diameter (sold by foot) start at just $0.99 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 Belt Tensioners and Pulleys. At Advance Auto Parts, we’re here to help you keep your 2004 Buick Century in peak condition, inside and out.

Essential 2004 Buick Century Radiator Hoses

Gates – Molded 90 Degree Heater Hose (Part No.28474)

Molded 90 Degree Heater Hose

from

$15.79
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.

Product Features:
  • It resists electrochemical degradation and water permeation
  • Use with heating pipe connectors and bulk heating hoses to create custom assemblies
  • Compatible with cooling, air and water applications
  • EPDM tube and cover, synthetic fiber reinforcement
  • SAE 20R3 EC Class D1, SAE 20R4 EC Class D1
  • temperature range Deg. F to +275 degrees F (-40 degrees C to +135 degrees C)
  • Caution: Do not use for fuel or oil transfer applications
See More

Dayco – Molded Heater Hose; EPDM Rubber, 5/8 Inch Diameter, 12 Inch Length (Part No.80401)

Molded Heater Hose; EPDM Rubber, 5/8 Inch Diameter, 12 Inch Length

from

$18.49
Providing reliable service in applications requiring molded hoses, the Dayco 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 “quick connect” end allows for fast, convenient installation.

Product Features:
  • Meets the requirements of SAE J20R3, Class D-1
  • Designed to meet Type EC electro-chemical requirements as specified in SAE J1684, which prevents inner tube deterioration caused by the build-up of static electric charges
  • Engineered as an OEM replacement
  • Meets Type EC electro-chemical requirements as specified in SAE J1684
See More

Gates – Premium Molded Heater Hose (Part No.18801)

Premium Molded Heater Hose

from

$15.49
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.

Product Features:
  • Has all the quality features of Gates molded coolant hose and similar to OEM specifications
  • Engineered to resist electrochemical degradation – the leading cause of hose failure
  • EPDM tube, synthetic fiber reinforcement, EPDM lid
  • Compliant with SAE 20R3 Type EC Class D-1 and D-2 specifications
  • temperature range Deg. F to +275 degrees F (-40 degrees C -135 degrees C)
  • Note: Gates recommends replacing clamps and connectors every time a new cooling hose is installed.
  • Warning: Do not use for fuel or oil transfer applications
See More

Dayco – Curved Radiator Hoses: EPDM Rubber, Standard Duty, 3.25" Long, .63" Diameter (Part No.A70001)

Curved Radiator Hoses: EPDM Rubber, Standard Duty, 3.25" Long, .63" Diameter

from

$6.99
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 – Molded Heater Hose; EPDM Rubber, 5/8 Inch Diameter, 24 Inch Length (Part No.80404)

Molded Heater Hose; EPDM Rubber, 5/8 Inch Diameter, 24 Inch Length

from

$20.79
Providing reliable service in applications requiring molded hoses, the Dayco 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 “quick connect” end allows for fast, convenient installation.

Product Features:
  • Meets the requirements of SAE J20R3, Class D-1
  • Designed to meet Type EC electro-chemical requirements as specified in SAE J1684, which prevents inner tube deterioration caused by the build-up of static electric charges
  • Engineered as an OEM replacement
  • Meets Type EC electro-chemical requirements as specified in SAE J1684
See More

Dayco – Curved Radiator Hoses: EPDM Rubber, Standard Duty, 5" Long, .63" Diameter (Part No.A70619)

Curved Radiator Hoses: EPDM Rubber, Standard Duty, 5" Long, .63" Diameter

from

$5.49
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

Dayco – Curved Radiator Hoses: EPDM Rubber, Standard Duty, 5" Long, .63" Diameter (Part No.A71624)

Curved Radiator Hoses: EPDM Rubber, Standard Duty, 5" Long, .63" Diameter

from

$20.99
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°F (-40°C) to +257°F (+125°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 – Molded Heater Hose; EPDM Rubber, 3/4 Inch Diameter, 7 Inch Length (Part No.88387)

Molded Heater Hose; EPDM Rubber, 3/4 Inch Diameter, 7 Inch Length

from

$14.99
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 “quick connect” end allows for fast, convenient installation.

Product Features:
  • Meets the requirements of SAE J20R3, Class D-1
  • Designed to meet Type EC electro-chemical requirements as specified in SAE J1684, which prevents inner tube deterioration caused by the build-up of static electric charges
  • Engineered as an OEM replacement
  • The knitted polyester reinforcement provides high burst strength and resists degradation from temperature extremes and moisture
See More

Dayco – Molded Heater Hose; EPDM Rubber, 5/8 Inch Diameter, 18 Inch Length (Part No.80402)

Molded Heater Hose; EPDM Rubber, 5/8 Inch Diameter, 18 Inch Length

from

$23.99
Providing reliable service in applications requiring molded hoses, the Dayco 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 “quick connect” end allows for fast, convenient installation.

Product Features:
  • Meets the requirements of SAE J20R3, Class D-1
  • Designed to meet Type EC electro-chemical requirements as specified in SAE J1684, which prevents inner tube deterioration caused by the build-up of static electric charges
  • Engineered as an OEM replacement
  • Meets Type EC electro-chemical requirements as specified in SAE J1684
See More

Dayco – Molded Heater Hose; EPDM Rubber, 5/8 Inch Diameter, 36 Inch Length (Part No.80405)

Molded Heater Hose; EPDM Rubber, 5/8 Inch Diameter, 36 Inch Length

from

$23.49
Providing reliable service in applications requiring molded hoses, the Dayco 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 Deg. F (-40 Deg. C) to +257 Deg. F (+125 Deg. C) and the “quick connect” end allows for fast, convenient installation.

Product Features:
  • Meets the requirements of SAE J20R3, Class D-1
  • Designed to meet Type EC electro-chemical requirements as specified in SAE J1684, which prevents inner tube deterioration caused by the build-up of static electric charges
  • Engineered as an OEM replacement
  • Meets Type EC electro-chemical requirements as specified in SAE J1684
See More

Dayco – Curved Radiator Hoses: EPDM Rubber, Standard Duty, 4" Long, .56" Diameter (Part No.A71692)

Curved Radiator Hoses: EPDM Rubber, Standard Duty, 4" Long, .56" Diameter

from

$9.79
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 – Molded 90 Degree Heater Hose (Part No.28475)

Molded 90 Degree Heater Hose

from

$20.29
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.

Product Features:
  • Resists electrochemical degradation and water permeation
  • Use with heating pipe connectors and bulk heating hoses to create custom assemblies
  • Compatible for coolant, air, and water applications
  • EPDM tube and lid, reinforced with synthetic fibers
  • SAE 20R3 EC Class D1, SAE 20R4 EC Class D1
  • temperature range Deg. F to +275 degrees F (-40 degrees C to +135 degrees C)
  • Warning: Do not use for fuel or oil transfer applications
See More

Dayco – Molded Heater Hose; EPDM Rubber, 5/16 Inch Diameter, 8 1/4 Inch Length (Part No.86800)

Molded Heater Hose; EPDM Rubber, 5/16 Inch Diameter, 8 1/4 Inch Length

from

$36.99
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 “quick connect” end allows for fast, convenient installation.

Product Features:
  • Meets the requirements of SAE J20R3, Class D-1
  • Designed to meet Type EC electro-chemical requirements as specified in SAE J1684, which prevents inner tube deterioration caused by the build-up of static electric charges
  • Engineered as an OEM replacement
  • The knitted polyester reinforcement provides high burst strength and resists degradation from temperature extremes and moisture
See More

Dayco – Curved Radiator Hoses: EPDM Rubber, Standard Duty, 3" Long, .50" Diameter (Part No.A70948)

Curved Radiator Hoses: EPDM Rubber, Standard Duty, 3" Long, .50" Diameter

from

$10.79
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

Dayco – Straight Heater Hose; EPDM Rubber, 5/16 Inch Diameter (sold by foot) (Part No.80258)

Straight Heater Hose; EPDM Rubber, 5/16 Inch Diameter (sold by foot)

from

$0.99
Specifically designed to carry the heated coolant from the engine block to the heater core under the dashboard and return it to the engine, this Dayco Standard Heater Hose is constructed using all EPDM compounds and spiral reinforcement for high burst strength and excellent heat resistance. Made for general service on light trucks and passenger cars, this hose is similar to SAE 20R3, Class D-2 and has a temperature rating of -40 Degree F (-40 Degree C) to +257 Degree F (+125 Degree C). This Dayco Standard Heater Hose is compatible with all common coolant and coolant additives. Note: This hose is NOT suitable for fuel or oil transfer.

Product Features:
  • Specifically designed to be compatible with all common coolants and coolant additives
  • Constructed using all EPDM compounds and spiral reinforcements
  • Similar to SAE 20R3, Class D-2
  • Has a high burst strength and excellent heat resistance of -40 Degree F (-40 Degree C) to +257 Degree F (+125 Degree C)
  • PLEASE NOTE: Item is sold and priced by the foot. See store for details.
See More

Gates – Vulco-Flex II Flexible Coolant Hose (Part No.25487)

Vulco-Flex II Flexible Coolant Hose

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:
  • 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
See More

Dayco – Curved Radiator Hoses: EPDM Rubber, Standard Duty, 15.50" Long, 1.50" Diameter (Part No.D71310)

Curved Radiator Hoses: EPDM Rubber, Standard Duty, 15.50" Long, 1.50" Diameter

from

$14.29
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.25482)

Vulco-Flex II Flexible Coolant Hose

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:
  • 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.
See More

Dayco – Curved Radiator Hoses: EPDM Rubber, Standard Duty, 27" Long, 1.50" Diameter (Part No.E70651)

Curved Radiator Hoses: EPDM Rubber, Standard Duty, 27" Long, 1.50" Diameter

from

$26.99
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 – Premium Molded Coolant Hose (Part No.20364)

Premium Molded Coolant Hose

from

$35.99
Gates Molded Coolant Hose is manufactured to fit specific applications. Similar to OEM specifications. Approved for marine applications.

Product Features:
  • The specially designed 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; reinforced with knitted synthetic fibers; EPDM lid resistant to heat, ozone, and chemical refrigerants
  • It meets the 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 transfer applications
See More

Gates – Vulco-Flex II Flexible Coolant Hose (Part No.25476)

Vulco-Flex II Flexible Coolant Hose

from

$27.99
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
  • Their high flexibility makes installation easier
  • Maximum vehicle coverage with minimal 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.
  • Warning: Do not use for fuel or oil transfer applications
See More

Gates – Premium Molded Coolant Hose (Part No.20795)

Premium Molded Coolant Hose

from

$41.99
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
  • Designed to resist electrochemical degradation, the main cause of casing failure
  • Pre-formed for a good fit and to ensure perfectly sealed connections
  • EPDM tube; synthetic fiber knit reinforcement; heat-, ozone- and chemical coolant-resistant EPDM cover
  • Compliant with the requirements of SAE 20R4, class D2 and DIN 73411, class A standards (except with regard to tolerances)
  • Temperature Range: -40 Deg. F to +257 Deg. F (-40 Deg. C to +125 Deg. C)
  • Note: Gates recommends replacing the clamps and connectors each time a new radiator hose is installed.
  • Caution: Do not use for fuel or oil transport applications.
See More

Gates – Premium Molded Coolant Hose (Part No.20683)

Premium Molded Coolant Hose

from

$42.49
Gates Molded Coolant Hose is manufactured to fit specific applications. Similar to OEM specifications. Approved for marine applications.

Product Features:
  • The specially designed materials resist collapse under vacuum.
  • Designed to resist electrochemical degradation, which is the primary 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: -40 Deg. F to +257 Deg. F (-40 Deg. C to +125 Deg. C)
  • Note: Gates recommends replacing the clamps and connectors each time a new radiator hose is installed.
  • Caution: Do not use for fuel or oil transport applications.
See More

Dayco – Curved Radiator Hoses: EPDM Rubber, Standard Duty, 13" Long, 1.31" Diameter (Part No.C71590)

Curved Radiator Hoses: EPDM Rubber, Standard Duty, 13" Long, 1.31" Diameter

from

$12.99
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 – Vulco-Flex II Flexible Coolant Hose (Part No.25480)

Vulco-Flex II Flexible Coolant Hose

from

$25.49
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:
  • 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 Degrees F (+125 Degrees C)
  • Note: Gates recommends replacing clamps each time a new coolant hose is installed
  • Caution: Do not use for fuel or oil transport applications.
See More

Dayco – Curved Radiator Hoses: EPDM Rubber, Standard Duty, 15.50" Long, 1.25" Diameter (Part No.D70949)

Curved Radiator Hoses: EPDM Rubber, Standard Duty, 15.50" Long, 1.25" Diameter

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.

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, 18" Long, 1.50" Diameter (Part No.D70648)

Curved Radiator Hoses: EPDM Rubber, Standard Duty, 18" Long, 1.50" Diameter

from

$16.99
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 – Premium Molded Coolant Hose (Part No.20687)

Premium Molded Coolant Hose

from

$31.49
Gates Molded Coolant Hose is manufactured to fit specific applications. Similar to OEM specifications. Approved for marine applications.

Product Features:
  • The specially designed materials resist collapse under vacuum.
  • Engineered to resist electrochemical degradation, the leading cause of hose failure
  • Pre-formed for a good fit and to ensure perfectly sealed connections
  • EPDM tube; reinforced with knitted synthetic fibers; EPDM lid resistant to heat, ozone, and chemical refrigerants
  • Compliant with the requirements of SAE 20R4, class D2 and DIN 73411, class A standards (except with regard to tolerances)
  • temperature range Deg. F to +257 degrees F (-40 degrees C to +125 degrees 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.
See More

Most Popular Coolant Hoses for 2004 Buick Centuries

Enhance your 2004 Buick Century with one of the 3 Coolant Hoses we have in stock, starting at just $0.99.

Dayco – Curved Radiator Hoses: EPDM Rubber, Standard Duty, 14" Long, 1.25" Diameter (Part No.D72039)

Curved Radiator Hoses: EPDM Rubber, Standard Duty, 14" Long, 1.25" Diameter

from

$27.99
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 – Molded Heater Hose; EPDM Rubber, 3/8 Inch Diameter, 9 1/4 Inch Length (Part No.87000)

Molded Heater Hose; EPDM Rubber, 3/8 Inch Diameter, 9 1/4 Inch Length

from

$32.99
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 “quick connect” end allows for fast, convenient installation.

Product Features:
  • Meets the requirements of SAE J20R3, Class D-1
  • Designed to meet Type EC electro-chemical requirements as specified in SAE J1684, which prevents inner tube deterioration caused by the build-up of static electric charges
  • Engineered as an OEM replacement
  • The knitted polyester reinforcement provides high burst strength and resists degradation from temperature extremes and moisture
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Dayco – Straight Heater Hose; EPDM Rubber, 5/16 Inch Diameter (sold by foot) (Part No.80258)

Straight Heater Hose; EPDM Rubber, 5/16 Inch Diameter (sold by foot)

from

$0.99
Specifically designed to carry the heated coolant from the engine block to the heater core under the dashboard and return it to the engine, this Dayco Standard Heater Hose is constructed using all EPDM compounds and spiral reinforcement for high burst strength and excellent heat resistance. Made for general service on light trucks and passenger cars, this hose is similar to SAE 20R3, Class D-2 and has a temperature rating of -40 Degree F (-40 Degree C) to +257 Degree F (+125 Degree C). This Dayco Standard Heater Hose is compatible with all common coolant and coolant additives. Note: This hose is NOT suitable for fuel or oil transfer.

Product Features:
  • Specifically designed to be compatible with all common coolants and coolant additives
  • Constructed using all EPDM compounds and spiral reinforcements
  • Similar to SAE 20R3, Class D-2
  • Has a high burst strength and excellent heat resistance of -40 Degree F (-40 Degree C) to +257 Degree F (+125 Degree C)
  • PLEASE NOTE: Item is sold and priced by the foot. See store for details.
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Best-Selling 2004 Buick Century By-Pass Hose

Upgrade your Century with our best-selling By-Pass Hose with a 4.5 Starts rating across 21 reviews.

Dayco – Curved Radiator Hoses: EPDM Rubber, Standard Duty, 4" Long, .56" Diameter (Part No.A71692)

Curved Radiator Hoses: EPDM Rubber, Standard Duty, 4" Long, .56" Diameter

from

$9.79
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
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Top-Rated Radiator Hose Brands For Your 2004 Buick Century

When it comes to finding the perfect Radiator Hose for your 2004 Buick Century, Advance Auto Parts has you covered with a wide selection of high-quality OEM and aftermarket options from 1 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 $9.79. Purchasing a Radiator Hose from us here at Advance Auto Parts is a smart move for both you and your 2004 Buick Century, providing peace of mind with parts that meet or exceed OEM standards.

Popular Dayco 2004 Buick Century Radiator Hoses

If you’re looking for a top-quality Radiator Hose for your 2004 Buick Century, 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 $9.79 and an average cost of $23.59, you’ll find the perfect Radiator Hose for your needs and budget. Dayco Radiator Hoses for the 2004 Buick Century come highly rated, with over 39 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.
Curved Radiator Hoses: EPDM Rubber, Standard Duty, 4" Long, .56" Diameter
from $9.79
(21)
Curved Radiator Hoses: EPDM Rubber, Standard Duty, 4" Long, .56" Diameter
“I use as necessary for the repair”
Curved Radiator Hoses: EPDM Rubber, Standard Duty, 14" Long, 1.25" Diameter
from $27.99
(17)
Curved Radiator Hoses: EPDM Rubber, Standard Duty, 14" Long, 1.25" Diameter
“The hose was installed on the car and it is working great”

FAQs for 2004 Buick Century Radiator Hoses

What are the best-selling Radiator Hoses for 2004 Buick Centuries?

Out of 4 Radiator Hoses that fit 2004 Buick Centuries, the following parts are the top sellers:

What’s the price range for 2004 Buick Century Radiator Hoses?

The prices of Radiator Hoses for the 2004 Buick Century range from $0.99 up to $32.99 for the most premium parts.

What is the average price of a Radiator Hose for a 2004 Buick Century?

The average price for Radiator Hoses for the 2004 Buick Century is $17.94. 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 Buick Century model years?

Yes, we carry Radiator Hoses for 36 model years of Buick Centuries between 1954 and 2005. The following model years are the most popular for Radiator Hose purchases: 2005, 2003, 2002, 2001, 2000, 1999, 1998, 1997, and 1996.

What are the cheapest Radiator Hoses for my 2004 Buick Century?

Does Advance Auto Parts sell Radiator Hoses for any other 2004 Buick models?

Yes. We stock Radiator Hoses for 4 other popular 2004 Buick models. Some of the most popular are 2004 Regal Radiator Hoses, 2004 LeSabre Radiator Hoses, 2004 Park Avenue Radiator Hoses, 2004 Rainier Radiator Hoses, and 2004 Rendezvous Radiator Hoses.

What are the top-rated Radiator Hoses that fit the 2004 Buick Century?

Based on 78 reviews by customers, our 2004 Buick Century Radiator Hoses have an average customer rating of 5 stars. These are the highest-rated categories of Radiator Hoses for the 2004 Buick Century and their top-rated products:

What types of Radiator Hoses do you sell for my 2004 Buick Century?

As of 3/1/26, these are some of the most in-demand types of Radiator Hoses for a 2004 Buick Century:

Can I get help with 2004 Buick Century Radiator Hose orders?

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

What is your return policy for Buick Century Radiator Hoses?

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