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Chevrolet Trailblazer EXT Heater Hose

Your Trailblazer EXT is a prized possession.

While it's not hard to find replacement parts for Chevrolet vehicles, these days the necessity for nothing but the highest quality are required to repair your automobile. Auto enthusiasts know that a brand you can trust is built into each Chevrolet, and know that only top quality repair Trailblazer EXT parts will suffice when your car or truck needs fixing. Make no mistake, you didn't buy your Trailblazer EXT unless you understood you would be getting performance and good looks both rolled up into one vehicle. The vehicle in your driveway is head and shoulders above the rest compared to all the other vehicles in today's marketplace.

Why Heater Hose replacement is so important.

Believe it or not, your car or truck's heating system is closely tied to its engine cooling system. The engine of your Chevrolet Trailblazer EXT constantly pumps and turns a mixture of water and ethylene glycol through the engine block in order to absorb the heat it generates, and sends this liquid to the heater core (a small radiator) through a heater supply hose when you want to warm your vehicle's cabin. Chevrolet Trailblazer EXT heater hoses assist the vehicle's primary cooling system by providing another route for the cooling liquid to follow so that it could dissipate heat. The return heater hose will usually drop the coolant back into the water pump or a by-pass housing in your engine so it can go back to the radiator.

You've tried the rest, now try the best.

Select Your YearAt Car Parts Discount, we have real customer support agents here with enough expertise to help you purchase the correct Chevrolet Trailblazer EXT part for your needs. Don't let a Heater Hose repair spell the end of your car, truck, or SUV, and don't risk lowering its resale value by installing anything but the best repair parts. When your Chevrolet requires a top quality replacement Heater Hose, there's no need to go somewhere besides the authority, Car Parts Discount. Chevrolet Trailblazer EXT Heater Hose parts for 2006, 2005, 2004, 2003, 2002 vehicles are available here... just click your year to find them.

Info: Select your make and model in the red title bar above so we can show the parts you need.
Select Your Year
Chevy Trailblazer EXT HVAC Heater Hose, OEM: 19806Gates
2002-2005 Chevrolet Trailblazer EXT Gates HVAC Heater Hose 19806
6.35, Save 40%   NEW ITEM
OEM: 19806, Item: 142921
  In Stock, Usually ships within 1 business day

Curved Hose

Select year, make, model above to verify this part fits your vehicle

Vehicle Install Locations: Heater To Valve

Chevy Trailblazer EXT 90º Molded Coolant Hose, OEM: 80400Dayco
2003-2006 Chevrolet Trailblazer EXT Dayco 90º Molded Coolant Hose 80400
6.45, Save 39%   NEW ITEM
OEM: 80400, Item: 669595
  In Stock, Usually ships within 1-2 business days
Select year, make, model above to verify this part fits your vehicle

Vehicle Install Locations: Thermostat To Pipe-2

Chevy Trailblazer EXT 90º Molded Coolant Hose, OEM: 80411Dayco
2003-2006 Chevrolet Trailblazer EXT Dayco 90º Molded Coolant Hose 80411
6.45, Save 39%  
OEM: 80411, Item: 583226
  In Stock, Usually ships within 1-2 business days
Select year, make, model above to verify this part fits your vehicle

Vehicle Install Locations: Pipe-1 To Thermostat

Chevy Trailblazer EXT HVAC Heater Hose, OEM: 19700Gates
2002-2005 Chevrolet Trailblazer EXT Gates HVAC Heater Hose 19700
6.75, Save 40%   NEW ITEM
OEM: 19700, Item: 139625
  In Stock, Usually ships within 1 business day

Curved Hose

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Vehicle Install Locations: Engine To Heater

Chevy Trailblazer EXT HVAC Heater Hose, OEM: 28466Gates
2003-2006 Chevrolet Trailblazer EXT Gates HVAC Heater Hose 28466
6.75, Save 40%   NEW ITEM
OEM: 28466, Item: 138937
  In Stock, Usually ships within 1 business day

Curved Hose

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Vehicle Install Locations: Thermostat To Pipe-2

Chevy Trailblazer EXT HVAC Heater Hose, OEM: 18453Gates
2002-2006 Chevrolet Trailblazer EXT Gates HVAC Heater Hose 18453
6.95, Save 40%   NEW ITEM
OEM: 18453, Item: 141810
  In Stock, Usually ships within 1 business day

Curved Hose

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Vehicle Install Locations: Pipe-1 To Engine, Tee To Engine

Chevy Trailblazer EXT HVAC Heater Hose, OEM: 28474Gates
2003-2006 Chevrolet Trailblazer EXT Gates HVAC Heater Hose 28474
7.05, Save 39%  
OEM: 28474, Item: 139000
  In Stock, Usually ships within 1 business day

Curved Hose

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Vehicle Install Locations: Pipe-1 To Thermostat

Chevy Trailblazer EXT HVAC Heater Hose, OEM: 71877Dayco
2002-2006 Chevrolet Trailblazer EXT Dayco HVAC Heater Hose 71877
7.05, Save 39%   NEW ITEM
OEM: 71877, Item: 666750
  Only 2 left In Stock, Usually ships within 1-2 business days
Select year, make, model above to verify this part fits your vehicle

Vehicle Install Locations: Tee To Engine, Pipe To Engine

Chevy Trailblazer EXT 90º Molded Coolant Hose, OEM: 80412Dayco
2006 Chevrolet Trailblazer EXT Dayco 90º Molded Coolant Hose 80412
7.15, Save 40%   NEW ITEM
OEM: 80412, Item: 583227
  Only 6 left In Stock, Usually ships within 1-2 business days
Select year, make, model above to verify this part fits your vehicle

Vehicle Install Locations: Valve To Heater

Chevy Trailblazer EXT HVAC Heater Hose, OEM: 86050Dayco
2002-2005 Chevrolet Trailblazer EXT Dayco HVAC Heater Hose 86050
7.75, Save 39%   NEW ITEM
OEM: 86050, Item: 583263
  Only 3 left In Stock, Usually ships within 1-2 business days
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Vehicle Install Locations: Pipe To Engine

Chevy Trailblazer EXT HVAC Heater Hose, OEM: 18797Gates
2002-2005 Chevrolet Trailblazer EXT Gates HVAC Heater Hose 18797
8.55, Save 39%   NEW ITEM
OEM: 18797, Item: 141465
  In Stock, Usually ships within 1 business day
Select year, make, model above to verify this part fits your vehicle

Vehicle Install Locations: Pipe-1 To Engine

Chevy Trailblazer EXT HVAC Heater Hose, OEM: 28469Gates
2002-2005 Chevrolet Trailblazer EXT Gates HVAC Heater Hose 28469
8.55, Save 39%   NEW ITEM
OEM: 28469, Item: 139517
  In Stock, Usually ships within 1 business day

Curved Hose

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Vehicle Install Locations: Pipe-2 To Auxiliary Heater

Chevy Trailblazer EXT HVAC Heater Hose, OEM: 18952Gates
2002-2006 Chevrolet Trailblazer EXT Gates HVAC Heater Hose 18952
9.05, Save 40%   NEW ITEM
OEM: 18952, Item: 140434
  In Stock, Usually ships within 1 business day

Curved Hose

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Vehicle Install Locations: Heater To Pipe-1, Heater To Tee

Chevy Trailblazer EXT HVAC Heater Hose, OEM: 14243SACDelco
2003-2006 Chevrolet Trailblazer EXT ACDelco HVAC Heater Hose 14243S
9.65, Save 39%  
OEM: 14243S, Item: 895250
  Only 3 left In Stock, Usually ships within 1 business day
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Vehicle Install Locations: Thermostat To Pipe-2

Chevy Trailblazer EXT HVAC Heater Hose, OEM: 18846Gates
2002-2005 Chevrolet Trailblazer EXT Gates HVAC Heater Hose 18846
9.75, Save 40%   NEW ITEM
OEM: 18846, Item: 141632
  In Stock, Usually ships within 1 business day
Select year, make, model above to verify this part fits your vehicle

Vehicle Install Locations: Pipe-3 To Valve

Chevy Trailblazer EXT HVAC Heater Hose, OEM: 87864Dayco
2002-2005 Chevrolet Trailblazer EXT Dayco HVAC Heater Hose 87864
9.75, Save 39%   NEW ITEM
OEM: 87864, Item: 675698
  Only 2 left In Stock, Usually ships within 1-2 business days
Select year, make, model above to verify this part fits your vehicle

Vehicle Install Locations: Heater To Pipe-1

Chevy Trailblazer EXT HVAC Heater Hose, OEM: 19178Gates
2003-2006 Chevrolet Trailblazer EXT Gates HVAC Heater Hose 19178
9.85, Save 39%   NEW ITEM
OEM: 19178, Item: 142681
  In Stock, Usually ships within 1 business day

Curved Hose

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Vehicle Install Locations: Pipe-2 To Heater

Chevy Trailblazer EXT HVAC Heater Hose, OEM: 87792Dayco
2003-2006 Chevrolet Trailblazer EXT Dayco HVAC Heater Hose 87792
9.85, Save 39%   NEW ITEM
OEM: 87792, Item: 583393
  Only 2 left In Stock, Usually ships within 1-2 business days
Select year, make, model above to verify this part fits your vehicle

Vehicle Install Locations: Heater To Pipe-1

Chevy Trailblazer EXT HVAC Heater Hose, OEM: 14244SACDelco
2003-2006 Chevrolet Trailblazer EXT ACDelco HVAC Heater Hose 14244S
10.05, Save 39%   NEW ITEM
OEM: 14244S, Item: 895251
  Only 1 left In Stock, Usually ships within 1 business day
Select year, make, model above to verify this part fits your vehicle

Vehicle Install Locations: Pipe-1 To Thermostat

Chevy Trailblazer EXT HVAC Heater Hose, OEM: 18844Gates
2003-2006 Chevrolet Trailblazer EXT Gates HVAC Heater Hose 18844
11.55, Save 40%   NEW ITEM
OEM: 18844, Item: 140485
  In Stock, Usually ships within 1 business day
Select year, make, model above to verify this part fits your vehicle

Vehicle Install Locations: Heater To Pipe-1

Chevy Trailblazer EXT HVAC Heater Hose, OEM: 19193Gates
2002-2005 Chevrolet Trailblazer EXT Gates HVAC Heater Hose 19193
11.95, Save 39%   NEW ITEM
OEM: 19193, Item: 140831
  In Stock, Usually ships within 1 business day

Curved Hose

Select year, make, model above to verify this part fits your vehicle

Vehicle Install Locations: Heater To Pipe-1

Chevy Trailblazer EXT HVAC Heater Hose, OEM: 18856Gates
2002-2005 Chevrolet Trailblazer EXT Gates HVAC Heater Hose 18856
12.45, Save 40%   NEW ITEM
OEM: 18856, Item: 141247
  In Stock, Usually ships within 1 business day
Select year, make, model above to verify this part fits your vehicle

Vehicle Install Locations: Tee To Intake Manifold

Chevy Trailblazer EXT HVAC Heater Hose, OEM: 87909Dayco
2006 Chevrolet Trailblazer EXT Dayco HVAC Heater Hose 87909
18.05, Save 39%   NEW ITEM
OEM: 87909, Item: 1002811
  Only 5 left In Stock, Usually ships within 1 business day
Select year, make, model above to verify this part fits your vehicle

Vehicle Install Locations: Right

Chevy Trailblazer EXT Gates HVAC Heater Hose, OEM: 23336Gates
2006 Chevrolet Trailblazer EXT Gates HVAC Heater Hose
19.15, Save 39%   NEW ITEM
OEM: 23336, Item: 143699
  Only 6 left In Stock, Usually ships within 1 business day

Curved Hose

Select year, make, model above to verify this part fits your vehicle

Vehicle Install Locations: Engine To Heater

Chevy Trailblazer EXT HVAC Heater Hose, 1/4" x 50', OEM: 28407Gates
2005 Chevrolet Trailblazer EXT Gates HVAC Heater Hose, 1/4" x 50' 28407
19.85, Save 39%  
OEM: 28407, Item: 138887
Package Quantity: 50
  In Stock, Usually ships within 1 business day

Economically priced heater hose - yet affords long service life. Good resistance to high temps and non-oil based coolant additives. Moderate resistance to oil and grease contamination. Similar to SAE 20R3 Class D-2. Tested by Gates to assure reliability. CAUTION: Do not use for fuel or oil transfer applications

Select year, make, model above to verify this part fits your vehicle

Vehicle Install Locations: Throttle Body To Engine

Chevy Trailblazer EXT HVAC Heater Hose, OEM: 28409Gates
2002-2006 Chevrolet Trailblazer EXT Gates HVAC Heater Hose 28409
27.15, Save 39%   NEW ITEM
OEM: 28409, Item: 138886
Package Quantity: 50
  In Stock, Usually ships within 1 business day

Economically priced heater hose - yet affords long service life. Good resistance to high temps and non-oil based coolant additives. Moderate resistance to oil and grease contamination. Similar to SAE 20R3 Class D-2. Tested by Gates to assure reliability. CAUTION: Do not use for fuel or oil transfer applications

Select year, make, model above to verify this part fits your vehicle

Vehicle Install Locations: Radiator To Reservoir, Pipe-1 To Engine

Chevy Trailblazer EXT HVAC Heater Hose, OEM: 28411Gates
2002-2006 Chevrolet Trailblazer EXT Gates HVAC Heater Hose 28411
33.75, Save 39%   POPULAR
OEM: 28411, Item: 138884
Package Quantity: 50
  In Stock, Usually ships within 1 business day

Economically priced heater hose - yet affords long service life. Good resistance to high temps and non-oil based coolant additives. Moderate resistance to oil and grease contamination. Similar to SAE 20R3 Class D-2. Tested by Gates to assure reliability. CAUTION: Do not use for fuel or oil transfer applications

Select year, make, model above to verify this part fits your vehicle

Vehicle Install Locations: Auxiliary Heater To Pipe-3, Auxiliary Heater To Pipe-4, Pipe-3 To Auxiliary Heater

Chevy Trailblazer EXT HVAC Heater Hose, OEM: 28412Gates
2002-2005 Chevrolet Trailblazer EXT Gates HVAC Heater Hose 28412
39.15, Save 39%  
OEM: 28412, Item: 138987
Package Quantity: 50
  In Stock, Usually ships within 1 business day

Economically priced heater hose - yet affords long service life. Good resistance to high temps and non-oil based coolant additives. Moderate resistance to oil and grease contamination. Similar to SAE 20R3 Class D-2. Tested by Gates to assure reliability. CAUTION: Do not use for fuel or oil transfer applications

Select year, make, model above to verify this part fits your vehicle

Vehicle Install Locations: Pipe-4 To Engine, Valve To Connector

Chevy Trailblazer EXT HVAC Heater Hose, OEM: 30124ACDelco
2002-2006 Chevrolet Trailblazer EXT ACDelco HVAC Heater Hose 30124
48.25, Save 39%  
OEM: 30124, Item: 895732
  Only 4 left In Stock, Usually ships within 1 business day
Select year, make, model above to verify this part fits your vehicle

Vehicle Install Locations: Auxiliary Heater To Pipe-3, Auxiliary Heater To Pipe-4, Pipe-3 To Auxiliary Heater

Chevy Trailblazer EXT HVAC Heater Hose, OEM: 30125ACDelco
2002-2005 Chevrolet Trailblazer EXT ACDelco HVAC Heater Hose 30125
55.75, Save 39%   NEW ITEM
OEM: 30125, Item: 895733
  Only 3 left In Stock, Usually ships within 1 business day
Select year, make, model above to verify this part fits your vehicle

Vehicle Install Locations: Pipe-4 To Engine, Valve To Connector