2003 Chevrolet Blazer Radiator Hoses

Please Select your Vehicle to See Exact Fit Parts

Keep Your 2003 Chevrolet Blazer 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 2003 Chevrolet Blazer looking sharp and performing at its best. At Advance Auto Parts we carry a wide selection of dependable options, including Coolant Hoses and By-Pass Hoses. Whether you’re replacing a damaged part or enhancing your truck’s style and protection, you’ll find exactly what you need to get the job done right.

Competitive Prices and Extensive Inventory

The average price for a 2003 Chevrolet Blazer Radiator Hose at Advance Auto Parts is around $31.24, with a range that starts at $17.49 and goes up to $44.99. With 2 options in stock from one trusted brand, finding the right fit is easy. Popular picks like Gates Premium Molded Coolant Hose, 22196 and Gates ThermalPro Premium Molded Heater Hose, 19025 start at just $17.49 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 2003 Chevrolet Blazer in peak condition, inside and out.

Essential 2003 Chevrolet Blazer Radiator Hoses

Gates – Gates ThermalPro Premium Molded Heater Hose, 19025 (Part No.19025)

Gates ThermalPro Premium Molded Heater Hose, 19025

from

$17.49
Gates Small I.D. Molded Coolant Hose is factory-molded, OEM style hose to fit today’s smaller, tighter-fitting engine compartments. Can be used for coolant, water and air applications. Approved for marine applications.
See More

Dayco – "Dayco Curved Radiator Hoses: EPDM Rubber, Standard Duty, 5.50"" Long, 1.25"" Diameter, A70562" (Part No.A70562)

"Dayco Curved Radiator Hoses: EPDM Rubber, Standard Duty, 5.50"" Long, 1.25"" Diameter, A70562"

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.
See More

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

Gates Molded 90 Degree Heater Hose, 28474

from

$16.79
Specially designed for difficult heater hose applications requiring sharp 90 degree bends in the hose. Eliminates the need for extensive inventory of OE type curved heater hose. Just 22 sizes handle thousands of applications.
See More

Gates – Gates Molded 90 Degree Heater Hose, 28475 (Part No.28475)

Gates Molded 90 Degree Heater Hose, 28475

from

$21.79
Specially designed for difficult heater hose applications requiring sharp 90 degree bends in the hose. Eliminates the need for extensive inventory of OE type curved heater hose. Just 22 sizes handle thousands of applications.
See More

Gates – Gates Safety Stripe Standard Straight Heater Hose (Sold by foot), 28410 (Part No.28410)

Gates Safety Stripe Standard Straight Heater Hose (Sold by foot), 28410

from

$3.19
Premium hose constructed for long service life.
See More

Gates – Gates Premium Molded Coolant Hose, 20843 (Part No.20843)

Gates Premium Molded Coolant Hose, 20843

from

$25.49
Gates Molded Coolant Hose is manufactured to fit specific applications. Similar to OEM specifications. Approved for marine applications.
See More

Gates – Gates Premium Molded Coolant Hose, 21770 (Part No.21770)

Gates Premium Molded Coolant Hose, 21770

from

$48.49
Gates Molded Coolant Hose is manufactured to fit specific applications. Similar to OEM specifications. Approved for marine applications.
See More

Gates – Gates Vulco-Flex II Flexible Coolant Hose, 25532 (Part No.25532)

Gates Vulco-Flex II Flexible Coolant Hose, 25532

from

$45.99
Gates Vulco-Flex(R) II hose will bend in almost any direction. It easily replicates the angles and planes of a wide variety of expensive original equipment coolant hose, for quick, easy replacement.
See More

Gates – Gates Premium Molded Coolant Hose, 22196 (Part No.22196)

Gates Premium Molded Coolant Hose, 22196

from

$44.99
Gates Molded Coolant Hose is manufactured to fit specific applications. Similar to OEM specifications. Approved for marine applications.
See More

Gates – Gates Premium Molded Coolant Hose, 20607 (Part No.20607)

Gates Premium Molded Coolant Hose, 20607

from

$29.99
Gates Molded Coolant Hose is manufactured to fit specific applications. Similar to OEM specifications. Approved for marine applications.
See More

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

Gates Premium Molded Coolant Hose, 20694

from

$30.49
Gates Molded Coolant Hose is manufactured to fit specific applications. Similar to OEM specifications. Approved for marine applications.
See More

Dayco – "Dayco Curved Radiator Hoses: EPDM Rubber, Standard Duty, 15"" Long, 1.50"" Diameter, C70752" (Part No.C70752)

"Dayco Curved Radiator Hoses: EPDM Rubber, Standard Duty, 15"" Long, 1.50"" Diameter, C70752"

from

$31.99
The Dayco curved radiator hose features knitted reinforcement, a protective sleeve and a synthetic EPDM rubber construction for high-strength performance, protection against abrasion and resistance to oil, mud, salt, road debris, ozone and coolants. It can also withstand temperature variations of -40 Deg. F (-40 Deg. C) to +257 Deg. F (+125 Deg. C). The inner base tube is reinforced with knitted rayon for maximum strength and burst resistance for the life of the hose.
See More

Dayco – "Dayco Curved Radiator Hoses: EPDM Rubber, Standard Duty, 14.50"" Long, 1.75"" Diameter, C70354" (Part No.C70354)

"Dayco Curved Radiator Hoses: EPDM Rubber, Standard Duty, 14.50"" Long, 1.75"" Diameter, C70354"

from

$19.99
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.
See More

Dayco – Dayco Flex Radiator Hoses EPDM Rubber, 22 Inch Long, 1.75 Inch to 1.5 Inch Inner Dia., 81271 (Part No.81271)

Dayco Flex Radiator Hoses EPDM Rubber, 22 Inch Long, 1.75 Inch to 1.5 Inch Inner Dia., 81271

from

$45.99
The Dayco flex radiator hose replaces straight or molded radiator hoses on a wide range of engine applications. Precision molded in standard lengths, it features a knitted reinforcement and synthetic EPDM construction. This hose is designed to prevent splitting, ballooning and elongation as well as resist ozone and other detrimental environmental elements, coolants and temperature variations of -40øF (-40øC) to +257øF (+125øC). With corrugations that provide excellent hose flexibility without flattening or collapsing, the Dayco flex radiator hose also features a helical steel coil spring for increased flexibility.
See More

Gates – Gates Premium Molded Coolant Hose, 21940 (Part No.21940)

Gates Premium Molded Coolant Hose, 21940

from

$59.99
Gates Molded Coolant Hose is manufactured to fit specific applications. Similar to OEM specifications. Approved for marine applications.
See More

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

Gates Premium Molded Coolant Hose, 21941

from

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

Gates – Gates Premium Molded Coolant Hose, 21204 (Part No.21204)

Gates Premium Molded Coolant Hose, 21204

from

$28.99
Gates Molded Coolant Hose is manufactured to fit specific applications. Similar to OEM specifications. Approved for marine applications.
See More

Dayco – Dayco Flex Radiator Hoses EPDM Rubber, 19.88 Inch Long, 1.5 Inch Inner Dia., 81181 (Part No.81181)

Dayco Flex Radiator Hoses EPDM Rubber, 19.88 Inch Long, 1.5 Inch Inner Dia., 81181

from

$27.49
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.
See More

Dayco – "Dayco Curved Radiator Hoses: EPDM Rubber, Standard Duty, 20"" Long, 1.50"" Diameter, E70392" (Part No.E70392)

"Dayco Curved Radiator Hoses: EPDM Rubber, Standard Duty, 20"" Long, 1.50"" Diameter, E70392"

from

$17.49
The Dayco curved radiator hose features knitted reinforcement, a protective sleeve and a synthetic EPDM rubber construction for high-strength performance, protection against abrasion and resistance to oil, mud, salt, road debris, ozone and coolants. It can also withstand temperature variations of -40 Deg. F (-40 Deg. C) to +257 Deg. F (+125 Deg. C). The inner base tube is reinforced with knitted rayon for maximum strength and burst resistance for the life of the hose.
See More

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

"Dayco Curved Radiator Hoses: EPDM Rubber, Standard Duty, 24"" Long, 1.50"" Diameter, E70935"

from

$52.99
The Dayco curved radiator hose features knitted reinforcement, a protective sleeve and a synthetic EPDM rubber construction for high-strength performance, protection against abrasion and resistance to oil, mud, salt, road debris, ozone and coolants. It can also withstand temperature variations of -40 Deg. F (-40 Deg. C) to +257 Deg. F (+125 Deg. C). The inner base tube is reinforced with knitted rayon for maximum strength and burst resistance for the life of the hose.
See More

Dayco – "Dayco Curved Radiator Hoses: EPDM Rubber, Standard Duty, 29"" Long, .72"" Diameter, E71782" (Part No.E71782)

"Dayco Curved Radiator Hoses: EPDM Rubber, Standard Duty, 29"" Long, .72"" Diameter, E71782"

from

$29.99
The Dayco curved radiator hose features knitted reinforcement, a protective sleeve and a synthetic EPDM rubber construction for high-strength performance, protection against abrasion and resistance to oil, mud, salt, road debris, ozone and coolants. It can also withstand temperature variations of -40 Deg. F (-40 Deg. C) to +257 Deg. F (+125 Deg. C). The inner base tube is reinforced with knitted rayon for maximum strength and burst resistance for the life of the hose.
See More

Gates – Gates Vulco-Flex II Flexible Coolant Hose, 25311 (Part No.25311)

Gates Vulco-Flex II Flexible Coolant Hose, 25311

from

$64.99
Gates Vulco-Flex(R) II hose will bend in almost any direction. It easily replicates the angles and planes of a wide variety of expensive original equipment coolant hose, for quick, easy replacement.
See More

Gates – Gates Vulco-Flex II Flexible Coolant Hose, 25480 (Part No.25480)

Gates Vulco-Flex II Flexible Coolant Hose, 25480

from

$27.49
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.
See More

Most Popular Coolant Hose for 2003 Chevrolet Blazers

Enhance your 2003 Chevrolet Blazer with this popular Coolant Hose we have in stock, for $44.99.

Gates – Gates Premium Molded Coolant Hose, 22196 (Part No.22196)

Gates Premium Molded Coolant Hose, 22196

from

$44.99
Gates Molded Coolant Hose is manufactured to fit specific applications. Similar to OEM specifications. Approved for marine applications.
See More

Best-Selling 2003 Chevrolet Blazer By-Pass Hose

Upgrade your Blazer with our best-selling By-Pass Hose.

Gates – Gates ThermalPro Premium Molded Heater Hose, 19025 (Part No.19025)

Gates ThermalPro Premium Molded Heater Hose, 19025

from

$17.49
Gates Small I.D. Molded Coolant Hose is factory-molded, OEM style hose to fit today’s smaller, tighter-fitting engine compartments. Can be used for coolant, water and air applications. Approved for marine applications.
See More

FAQs for 2003 Chevrolet Blazer Radiator Hoses

What are the best-selling Radiator Hoses for 2003 Chevrolet Blazers?

Out of 2 Radiator Hoses that fit 2003 Chevrolet Blazers, the following parts are the top sellers:

What’s the price range for 2003 Chevrolet Blazer Radiator Hoses?

The prices of Radiator Hoses for the 2003 Chevrolet Blazer range from $17.49 up to $44.99 for the most premium parts.

What is the average price of a Radiator Hose for a 2003 Chevrolet Blazer?

The average price for Radiator Hoses for the 2003 Chevrolet Blazer is $31.24. 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 Chevrolet Blazer model years?

Yes, we carry Radiator Hoses for 22 model years of Chevrolet Blazers between 1969 and 2005. The following model years are the most popular for Radiator Hose purchases: 2005, 2004, 2002, 2001, 2000, 1999, 1998, 1997, and 1996.

What are the cheapest Radiator Hoses for my 2003 Chevrolet Blazer?

The cheapest 2003 Chevrolet Blazer Radiator Hoses we carry are:

Does Advance Auto Parts sell Radiator Hoses for any other 2003 Chevrolet models?

Yes. We stock Radiator Hoses for 32 other popular 2003 Chevrolet models. Some of the most popular are 2003 Tahoe Radiator Hoses, 2003 Impala Radiator Hoses, 2003 Silverado 1500 Radiator Hoses, 2003 Malibu Radiator Hoses, and 2003 Suburban 1500 Radiator Hoses.

What types of Radiator Hoses do you sell for my 2003 Chevrolet Blazer?

As of 8/2/26, these are some of the most in-demand types of Radiator Hoses for a 2003 Chevrolet Blazer:

Can I get help with 2003 Chevrolet Blazer Radiator Hose orders?

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

What is your return policy for Chevrolet Blazer Radiator Hoses?

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