How to replace the Coolant Temperature Sensor on 2005 Chevrolet Blazer?

When changing the Engine Coolant Temperature (ECT) Sensor, the ignition should be switched off, the air cleaner cover must be loosened and the air intake assembly displaced. Turn off the cooling system, get rid of the ECT sensor harness, and take the sensor out. Install the new sensor, attach the harness, fill up the cooling system and reassemble.

OEM 2005 Chevrolet Blazer Coolant Temperature Sensor

Coolant Water Temperature Sensor

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2 Coolant Temperature Sensors found

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2005 Chevrolet Blazer Coolant Temperature Sensor Part Number: 15326386
$24.96 MSRP: $46.88
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Product Specifications
- Other Name: Sensor, Engine Coolant Temperature; Air Charge Temperature Sensor; Intake Air Temperature Sensor.; Temperature Sensor; Manifold Pressure Sensor; Oil Pressure Unit; Fan Switch; Other Sensors
- Replaces: 12146312, 25036979
- Item Weight: 0.40 Pounds
- Item Dimensions: 3.0 x 1.2 x 0.8 inches
- Condition: New
- Fitment Type: Direct Replacement
- SKU: 15326386
- Warranty: This genuine part is guaranteed by GM's factory warranty.
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Fits the following 2005 Chevrolet Blazer Submodels:
- Base, Cheyenne, Custom Deluxe, LS, LT, Scottsdale, Silverado, Silverado Sport, Trailblazer, Xtreme, ZR2 | 6 Cyl 4.3 L GAS, 8 Cyl 5.0 L GAS, 8 Cyl 5.7 L GAS, 8 Cyl 6.2 L DIESEL, 8 Cyl 6.5 L DIESEL
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2005 Chevrolet Blazer Temperature Sending Unit Part Number: 12554145
Product Specifications
- Other Name: Sensor, Coolant Temperature (Engine Unit)
- Item Weight: 0.50 Pounds
- Item Dimensions: 4.5 x 2.8 x 1.2 inches
- Condition: New
- Fitment Type: Direct Replacement
- SKU: 12554145
- Warranty: This genuine part is guaranteed by GM's factory warranty.
More Info
Fits the following 2005 Chevrolet Blazer Submodels:
- Base, LS, Xtreme, ZR2 | 6 Cyl 4.3 L GAS

2005 Chevrolet Blazer Coolant Temperature Sensor

With a comprehensive array of OEM 2005 Chevrolet Blazer Coolant Temperature Sensor, from fuel pumps to door handles, our website is a one-stop-shop for your needs. All our genuine 2005 Chevrolet Blazer Coolant Temperature Sensor are backed by the manufacturer's warranty and are offered at competitive prices in the market. Rest assured, you can shop with complete confidence.

2005 Chevrolet Blazer Coolant Temperature Sensor Parts and Q&A

Q: How to replace the Coolant Temperature Sensor on 2005 Chevrolet Blazer?
A: When changing the Engine Coolant Temperature (ECT) Sensor, the ignition should be switched off, the air cleaner cover must be loosened and the air intake assembly displaced. Turn off the cooling system, get rid of the ECT sensor harness, and take the sensor out. Install the new sensor, attach the harness, fill up the cooling system and reassemble.