How to replace the front coolant pipe on Chevrolet Trailblazer?

Begin Radiator vent inlet hose replacement by draining a portion of the cooling system fluid. First drain a portion of your cooling system before removing both Radiator and surge tank vent inlet hoses. Begin by connecting the Radiator vent inlet hose to both the surge tank and then to the Radiator. Finally, fill the cooling system.

OEM Chevrolet Trailblazer Coolant Pipe

Engine Cooler Pipe

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13 Coolant Pipes found

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Chevrolet Trailblazer Air Hose Part Number: 42737680
$38.39 MSRP: $65.35
You Save: $26.96 (42%)
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Product Specifications
- Other Name: Hose, Engine Coolant By-Pass; Radiator Hose; Cooling Hose; Coolant Hose; Hose, Engine Coolant By - Pass
- Replaced by: 42869226
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2021-2024 Chevrolet Trailblazer | ACTIV, LS, LT, RS | 3 Cyl 1.3 L GAS
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Chevrolet Trailblazer Reservoir Hose Part Number: 42755860
$34.45 MSRP: $51.98
You Save: $17.53 (34%)
Ships in 1-3 Business Days
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Product Specifications
- Other Name: Hose, Engine Coolant Recovery; Coolant Reservoir Hose; Multi Purpose Hose; Radiator Hose; Hoses
- Replaces: 42744650
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2021-2024 Chevrolet Trailblazer | ACTIV, LS, LT, RS | 3 Cyl 1.3 L GAS
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Chevrolet Trailblazer Reservoir Hose Part Number: 42732066
$9.81 MSRP: $15.35
You Save: $5.54 (37%)
Ships in 1-3 Business Days
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Product Specifications
- Other Name: Hose, Engine Coolant Recovery; Coolant Reservoir Hose; Multi Purpose Hose; Radiator Hose
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2021-2024 Chevrolet Trailblazer | L, LS, LT | 3 Cyl 1.2 L GAS
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Chevrolet Trailblazer Outlet Hose Part Number: 12673762
$9.27 MSRP: $13.98
You Save: $4.71 (34%)
Ships in 1-3 Business Days
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Product Specifications
- Other Name: Hose-Thermostat Bypass; Multi Purpose Hose; Cooling Hose; By-Pass Hose; Hose, Engine Coolant By - Pass
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2021-2024 Chevrolet Trailblazer | ACTIV, LS, LT, RS | 3 Cyl 1.3 L GAS
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Chevrolet Trailblazer Coolant Line Part Number: 55515820
$35.08 MSRP: $57.79
You Save: $22.71 (40%)
Ships in 1-3 Business Days
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Product Specifications
- Other Name: Pipe, Turbocharger/Supercharger Air/Vacuum/Cooling; Coolant Pipe; Cooling Hose; Water Return Tube; Hoses
- Replaced by: 25204920
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2021-2023 Chevrolet Trailblazer | L, LS, LT | 3 Cyl 1.2 L GAS
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Chevrolet Trailblazer Coolant Line Part Number: 55509610
$7.64 MSRP: $12.12
You Save: $4.48 (37%)
Ships in 1-3 Business Days
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Product Specifications
- Other Name: Coolant Pipe; Cooling Hose; Water Feed Tube; Hoses; Pipe, Turbocharger/Supercharger Air/Vacuum/Cooling
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2021-2024 Chevrolet Trailblazer | L, LS, LT | 3 Cyl 1.2 L GAS
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Chevrolet Trailblazer Air Hose Part Number: 42744621
$34.58 MSRP: $56.95
You Save: $22.37 (40%)
Ships in 1-3 Business Days
ADD TO CART
Product Specifications
- Other Name: Hose, Engine Coolant By-Pass; Hose, Engine Coolant By - Pass
- Replaced by: 42869227
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2021-2024 Chevrolet Trailblazer | L, LS, LT | 3 Cyl 1.2 L GAS
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Chevrolet Trailblazer Water Pipe Part Number: 12703243
$47.61 MSRP: $78.40
You Save: $30.79 (40%)
Ships in 1-3 Business Days
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Product Specifications
- Other Name: Coolant Line; Coolant Pipe; Cooling Hose; Oil Return Tube; Pipe, Turbocharger/Supercharger Air/Vacuum/Cooling
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2021-2024 Chevrolet Trailblazer | ACTIV, LS, LT, RS | 3 Cyl 1.3 L GAS
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Chevrolet Trailblazer Water Hose Part Number: 12699841
$8.86 MSRP: $13.88
You Save: $5.02 (37%)
Ships in 1-3 Business Days
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Product Specifications
- Other Name: Hose Assembly-Engine Coolant Flow Control Valve; Hose, Engine Coolant By - Pass
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2021-2024 Chevrolet Trailblazer | ACTIV, LS, LT, RS | 3 Cyl 1.3 L GAS
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Chevrolet Trailblazer Coolant Hose Part Number: 12673707
$69.99 MSRP: $109.64
You Save: $39.65 (37%)
Ships in 1-3 Business Days
ADD TO CART
Product Specifications
- Other Name: Hose Assembly-Thermostat Bypass; Hose, Engine Coolant By - Pass
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2021-2024 Chevrolet Trailblazer | ACTIV, LS, LT, RS | 3 Cyl 1.3 L GAS
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Chevrolet Trailblazer By-Pass Hose Part Number: 12702515
$43.96 MSRP: $79.56
You Save: $35.60 (45%)
Ships in 1-3 Business Days
ADD TO CART
Product Specifications
- Other Name: Hose Assembly-Thermostat Bypass; Hose, Engine Coolant By - Pass
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2021-2024 Chevrolet Trailblazer | ACTIV, LS, LT, RS | 3 Cyl 1.3 L GAS
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Chevrolet Trailblazer Overflow Hose Part Number: 25793412
Product Specifications
- Other Name: Hose Assembly-Coolant Recovery Reservoir; Coolant Reservoir Hose; Multi Purpose Hose; Radiator Hose; Hose, Engine Coolant Recovery
- Replaces: 15157818, 15178526, 15811984
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2002-2009 Chevrolet Trailblazer | Base, LS, LT, LTZ, North Face, SS | 6 Cyl 4.2 L GAS, 8 Cyl 5.3 L GAS, 8 Cyl 6.0 L GAS
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Chevrolet Trailblazer Upper Hose Part Number: 15763316
Product Specifications
- Other Name: Hose, Radiator Inlet (Upper); Multi Purpose Hose; Radiator Hose; Cooling Hose
- Position: Upper
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2006-2007 Chevrolet Trailblazer | LS, LT, SS | 8 Cyl 5.3 L GAS, 8 Cyl 6.0 L GAS

Chevrolet Trailblazer Coolant Pipe

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The Coolant Pipe of Chevrolet Trailblazer serves as a vital element of engine coolant systems which delivers reliable performance in many different Trailblazer models. The Coolant Pipe exists as a crucial element constructed from durable metal or plastic which serves as a coolant transport system to avoid engine overheating and to maintain efficiency. All Chevrolet Trailblazer models before 2007 use metal coolant pipes whereas modern models use plastic pipes as replacements although the plastic exhibits lower durability at extreme temperatures. It is essential to check the Coolant Pipe in Chevrolet Trailblazers older than ten years and in high-mileage cases because pipe leaks cause extensive engine difficulties despite their rarity when compared to flexible hose leaks. The Chevrolet Trailblazer Coolant Pipe serves two essential purposes for the vehicle by boosting performance along with ensuring safe engine temperatures. The Coolant Pipe demonstrates essential value within the Chevrolet lineup because it works across all model generations starting from the first to the recent crossover. The Coolant Pipe stands out in the automotive market with its engine-specific design features. Owners of Chevrolet Trailblazers who want dependable performance and reliability should consider the vital importance of the Coolant Pipe because it represents the brand's dedication to innovation and quality design.

Chevrolet Trailblazer Coolant Pipe Parts and Q&A

Overflow Hose
25793412
Q: How to replace the front coolant pipe on Chevrolet Trailblazer?
A:
Begin Radiator vent inlet hose replacement by draining a portion of the cooling system fluid. First drain a portion of your cooling system before removing both Radiator and surge tank vent inlet hoses. Begin by connecting the Radiator vent inlet hose to both the surge tank and then to the Radiator. Finally, fill the cooling system.