Chevrolet Trailblazer Heater Hoses

Your One-Stop Shop For Trusted Chevrolet Trailblazer Heater Hoses

If you’re in search of Chevrolet Trailblazer Heater Hoses aftermarket or OEM parts, consider your search over! Advance Auto Parts carries 32 Heater Hoses from top brands with prices ranging from $2.99 to $86.99.

Beyond great prices, we stock trusted brands manufacturing all types of Heater Hoses for your Chevrolet Trailblazer.

And don’t forget to read customer reviews across all Heater Hoses categories in our catalog. Buy with confidence by leveraging past customer experiences of our aftermarket and OEM parts.

At Advance Auto Parts, we don’t think top quality Heater Hoses have to cost top dollar, and we prove it. Browse our top Chevrolet Trailblazer Heater Hoses below, order online to ship to your home, or head into your nearest Advance Auto Parts location to get started.

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Essential Chevrolet Trailblazer Heater Hoses

Dorman – Dorman Coolant Connector – Inlet/Outlet 3/4In. Tube x 5/8In. Hose (OE Fix), 800-409HP (Part No.800-409HP)

Dorman Coolant Connector - Inlet/Outlet 3/4In. Tube x 5/8In. Hose (OE Fix), 800-409HP

from

$27.49
HVAC heater hose connectors fail when the plastic material fatigues from heat and vibration. This upgraded Dorman OE FIX replacement connector is made from corrosion-resistant stainless steel for greater durability.
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Carquest Premium – Carquest Hose Connector, CH8005 (Part No.CH8005)

Carquest Hose Connector, CH8005

from

$46.99
Manufactured to the highest OEM quality standards by an OE Supplier, using proprietary material to stand up to even the most demanding automotive cooling systems. Thermal shock validated and 100% leak tested
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Gates – Gates Quick-Lok Heater Hose Connector, 28502 (Part No.28502)

Gates Quick-Lok Heater Hose Connector, 28502

from

$32.49
Quick-Lok(R)Connectors provide a fast, easy way to connect replacement heater hose on cars and trucks.
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Dorman – Dorman Metal Heater Hose Connector 5/8 X 5/8 (Oe Fix), 800-403HP (Part No.800-403HP)

Dorman Metal Heater Hose Connector 5/8 X 5/8 (Oe Fix), 800-403HP

from

$22.99
When the plastic original equipment HVAC heater hose connector becomes brittle from heat and abrasion, and cracks, leaks and breaks free from the heater hose, the dealership solution is a similar plastic replacement. Avoid a similar future failure by upgrading your repair with this more rugged Dorman OE FIX metal connector. Designed to match the performance of the factory design but engineered to far exceed its service life, this sturdy and reliable replacement connector is manufactured to precise standards for a seamless fit on specified Ford, GM and Saab vehicles.
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Carquest Premium – Carquest Hose Connector, CH8008 (Part No.CH8008)

Carquest Hose Connector, CH8008

from

$13.99
Manufactured to the highest OEM quality standards by an OE Supplier, using proprietary material to stand up to even the most demanding automotive cooling systems. Thermal shock validated and 100% leak tested
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Dorman – Dorman Heater Hose Connector 5/8 x 5/8, 800-416 (Part No.800-416)

Dorman Heater Hose Connector 5/8 x 5/8, 800-416

from

$20.99
Made of quality materials, this HVAC heater hose connector matches the fit and function of an original equipment connector to restore leak-free performance.
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Dorman – Help – Dorman – Help Heater Hose Connector – 5/8 In. Tube x 5/8 In. Hose, 47165 (Part No.47165)

Dorman - Help Heater Hose Connector - 5/8 In. Tube x 5/8 In. Hose, 47165

from

$16.49
Made of quality materials, this HVAC heater hose connector matches the fit and function of an original equipment connector to restore leak-free performance.
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Carquest Premium – Carquest Hose Connector, CH8003 (Part No.CH8003)

Carquest Hose Connector, CH8003

from

$13.99
Manufactured to the highest OEM quality standards by an OE Supplier, using proprietary material to stand up to even the most demanding automotive cooling systems. Thermal shock validated and 100% leak tested
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Dorman – Dorman Metal Heater Hose Connector 3/4 Tube X 3/4 Hose, 800-411HP (Part No.800-411HP)

Dorman Metal Heater Hose Connector 3/4 Tube X 3/4 Hose, 800-411HP

from

$20.99
Dorman Metal Heater Hose Connector 3/4 Tube X 3/4 Hose, 800-411HP.
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Dorman – Dorman Coolant Connector – Inlet/Outlet 3/4In. Tube x 5/8In. Hose, 800-409 (Part No.800-409)

Dorman Coolant Connector - Inlet/Outlet 3/4In. Tube x 5/8In. Hose, 800-409

from

$13.99
Made of quality materials, this HVAC heater hose connector matches the fit and function of an original equipment connector to restore leak-free performance.
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Dayco – Dayco HVAC Heater Hose Connector Plastic, Quick-Fit 3/4 Inch X 180°, 80463 (Part No.80463)

Dayco HVAC Heater Hose Connector Plastic, Quick-Fit 3/4 Inch X 180°, 80463

from

$33.99
Designed for making various replacement heater hose configurations, and compatible with all traditional coolants and fuels, Dayco plastic connectors are glass-filled nylon connectors that feature a unique barbed end profile to ensure a leak-proof seal. These connectors also include anti-rotation ribs molded directly into the connector to prevent hose rotation and twisting and a circumferential flange that provides a hose stop to ensure the hose is inserted to the proper depth.
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Dorman – Dorman Metal Heater Hose Connector 3/4 X 3/4, 90 Degree, 800-418HP (Part No.800-418HP)

Dorman Metal Heater Hose Connector 3/4 X 3/4, 90 Degree, 800-418HP

from

$23.99
When the plastic original equipment HVAC heater hose connector becomes brittle from heat and abrasion, and cracks, leaks and breaks free from the heater hose, the dealership solution is a similar plastic replacement. Avoid a similar future failure by upgrading your repair with this more rugged Dorman OE FIX metal connector. Designed to match the performance of the factory design but engineered to far exceed its service life, this sturdy and reliable replacement connector is manufactured to precise standards for a seamless fit on specified vehicles.
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Gates – Gates Molded 90 Degree Heater Hose, 28469 (Part No.28469)

Gates Molded 90 Degree Heater Hose, 28469

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.
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Dayco – Dayco Molded Heater Hose EPDM Rubber, 3/4 Inch Diameter, 9 Inch Length, 87909 (Part No.87909)

Dayco Molded Heater Hose EPDM Rubber, 3/4 Inch Diameter, 9 Inch Length, 87909

from

$66.99
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 €œquick connect€ end allows for fast, convenient installation.
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Gates – Gates Molded 90 Degree Heater Hose, 28466 (Part No.28466)

Gates Molded 90 Degree Heater Hose, 28466

from

$21.29
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.
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Dayco – Dayco Straight Heater Hose EPDM Rubber, 5/8 Inch Diameter (Sold by foot), 80271 (Part No.80271)

Dayco Straight Heater Hose EPDM Rubber, 5/8 Inch Diameter (Sold by foot), 80271

from

$2.99
Dayco Standard Heater Hose is designed to carry the heated coolant from the engine block to the heater core under the dashboard and return it to the engine. Note: This hose is NOT suitable for fuel or oil transfer.
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Gates – Gates Premium Molded Heater Hose, 18846 (Part No.18846)

Gates Premium Molded Heater Hose, 18846

from

$32.99
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.
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Dayco – Dayco Molded Heater Hose EPDM Rubber, 5/8 Inch Diameter, 21 1/4 Inch Length, 87792 (Part No.87792)

Dayco Molded Heater Hose EPDM Rubber, 5/8 Inch Diameter, 21 1/4 Inch Length, 87792

from

$37.99
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 €œquick connect€ end allows for fast, convenient installation.
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Dayco – "Dayco Curved Radiator Hoses: EPDM Rubber, Standard Duty, 5"" Long, .63"" Diameter, A71877" (Part No.A71877)

"Dayco Curved Radiator Hoses: EPDM Rubber, Standard Duty, 5"" Long, .63"" Diameter, A71877"

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.
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Dayco – Dayco Molded Heater Hose EPDM Rubber, 5/8 Inch Diameter, 15 Inch Length, 87828 (Part No.87828)

Dayco Molded Heater Hose EPDM Rubber, 5/8 Inch Diameter, 15 Inch Length, 87828

from

$25.99
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 €œquick connect€ end allows for fast, convenient installation.
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Gates – Gates ThermalPro Premium Molded Heater Hose, 18126 (Part No.18126)

Gates ThermalPro Premium Molded Heater Hose, 18126

from

$51.99
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.
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Dayco – Dayco Molded Heater Hose EPDM Rubber, 5/8 Inch Diameter, 10-1/2 Inch Length, 87851 (Part No.87851)

Dayco Molded Heater Hose EPDM Rubber, 5/8 Inch Diameter, 10-1/2 Inch Length, 87851

from

$49.99
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 €œquick connect€ end allows for fast, convenient installation.
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Dayco – Dayco Molded Heater Hose EPDM Rubber, 23/32 Inch Diameter, 12 Inch Length, 88412 (Part No.88412)

Dayco Molded Heater Hose EPDM Rubber, 23/32 Inch Diameter, 12 Inch Length, 88412

from

$59.99
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 €œquick connect€ end allows for fast, convenient installation.
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Gates – Gates Quick-Lok Heater Hose Connector, 28500 (Part No.28500)

Gates Quick-Lok Heater Hose Connector, 28500

from

$31.99
Quick-Lok(R)Connectors provide a fast, easy way to connect replacement heater hose on cars and trucks.
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Dayco – Dayco Molded Heater Hose EPDM Rubber, 5/8 Inch Diameter, 6 Inch Length, 80400 (Part No.80400)

Dayco Molded Heater Hose EPDM Rubber, 5/8 Inch Diameter, 6 Inch Length, 80400

from

$31.99
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 €œquick connect€ end allows for fast, convenient installation.
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Heater Hoses Brands You Can Trust For Your Chevrolet Trailblazer

4 trusted brands of Heater Hoses line our shelves, ready to help keep your Chevrolet Trailblazer running smooth. Below are some of the most popular brands and their top Heater Hoses offerings:

Popular Dayco Heater Hoses

Dayco products for the Chevrolet Trailblazer span several categories. Some of the highest-rated Dayco Heater Hoses that will fit your Chevrolet Trailblazer are:

Most Purchased Chevrolet Trailblazer Heater Hoses from Dayco

When you buy the most frequently purchased Dayco brand Heater Hoses, you can be confident it will be the right part for your Chevrolet Trailblazer. Here are the Dayco Heater Hoses Advanced Auto customers buy the most:

FAQs for Chevrolet Trailblazer Heater Hoses

What are the most purchased Heater Hoses for the Chevrolet Trailblazer?

Out of 32 Heater Hoses for the Chevrolet Trailblazer, the most popular in our inventory are:
Gates Quick-Lok Heater Hose Connector, 28500
from $31.99
This product is not rated
Gates Quick-Lok Heater Hose Connector, 28500
Heater Hoses

What are the top-rated Chevrolet Trailblazer Heater Hoses?

Top-rated Heater Hoses for your Chevrolet Trailblazer based on customer reviews/ratings are:
Dorman Heater Hose Connector 5/8 x 5/8, 800-416
from $20.99
(2)
Dorman Heater Hose Connector 5/8 x 5/8, 800-416
“No more antifreeze leaking on the top of the intake”