How to replace the Engine Coolant Temperature Sensor on Chevrolet Tahoe?

The first step when replacing an Engine Coolant Temperature Sensor requires draining the cooling system until the sensor's position remains underneath the liquid. First detach the engine wiring harness electrical connector which operates the ECT sensor and then remove the sensor itself. After installing the old sensor apply GM P/N 12346004 sealant (Canadian P/N 10953480) or equivalent to its threads. Avoid using any tools in the throttle body bore because doing so might harm the throttle valve plate. Apply sealant GM P/N12346004 (Canadian P/N 10953480) to the sensor threads before installation. Then tighten the sensor to 20 Nm (15 lb ft). After sensor replacement connect the engine harness electrical connector to the ECT sensor and complete the cooling system refill.

OEM Chevrolet Tahoe Coolant Temperature Sensor

Coolant Water Temperature Sensor

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8 Coolant Temperature Sensors found

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Chevrolet Tahoe Coolant Temperature Sensor Part Number: 25037332
$41.23 MSRP: $77.42
You Save: $36.19 (47%)
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Product Specifications
- Other Name: Sensor, Coolant Temperature (Engine Unit); Temperature Sensor; Coolant Sensor; Temperature Sending Unit
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 1995-1999 Chevrolet Tahoe | Base, LS, LT | 8 Cyl 5.7 L GAS, 8 Cyl 6.5 L DIESEL
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Chevrolet Tahoe Coolant Temperature Sensor Part Number: 15326386
$24.96 MSRP: $46.88
You Save: $21.92 (47%)
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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
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 1995-1999 Chevrolet Tahoe | Base, LS, LT | 8 Cyl 5.7 L GAS, 8 Cyl 6.5 L DIESEL
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Chevrolet Tahoe Coolant Temperature Sensor, Black Part Number: 12608814
$30.66 MSRP: $57.58
You Save: $26.92 (47%)
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Product Specifications
- Other Name: Sensor Assembly-Engine Coolant Temperature *Ite Or Black; Engine Coolant Temperature Sensor; Temperature Sensor; Temperature Sending Unit; Coolant Temperature Sensor; Engine Oil Pressure/Temperature Sensor; Computer Control Sensors
- Replaces: 15369305, 25037062, 12191170, 15326388
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2000-2020 Chevrolet Tahoe | Base, Hybrid, LS, LT, LTZ, PPV, Premier, SSV, Z71 | 8 Cyl 4.8 L GAS, 8 Cyl 5.3 L FLEX, 8 Cyl 5.3 L GAS, 8 Cyl 6.0 L FULL HYBRID EV-FLEX (FHEV), 8 Cyl 6.0 L FULL HYBRID EV-GAS (FHEV), 8 Cyl 6.2 L FLEX, 8 Cyl 6.2 L GAS
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Chevrolet Tahoe Coolant Temperature Sensor Part Number: 25186240
$16.91 MSRP: $31.75
You Save: $14.84 (47%)
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Product Specifications
- Other Name: Sensor, Computer Control Sensors; Engine Coolant Temperature Sensor; Air Charge Temperature Sensor; Temperature Sensor; Air Temperature Sensor; Sensor, Coolant Temperature (Engine Unit)
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2021-2023 Chevrolet Tahoe | Commercial, High Country, LS, LT, PPV, Premier, RST, SSV, Z71 | 8 Cyl 5.3 L GAS, 8 Cyl 6.2 L GAS
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Chevrolet Tahoe Coolant Temperature Sensor Part Number: 55497116
$6.93 MSRP: $12.94
You Save: $6.01 (47%)
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Product Specifications
- Other Name: Sensor Assembly-Engine Coolant Temperature (Part Of Coolin; Engine Coolant Temperature Sensor; Temperature Sensor; Coolant Temperature Sensor; Drive Motor Battery Cooling Sensor.
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2021-2023 Chevrolet Tahoe | High Country, LS, LT, Premier, RST | 6 Cyl 3.0 L DIESEL
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Chevrolet Tahoe Coolant Temperature Sensor Part Number: 55488248
$19.04 MSRP: $34.00
You Save: $14.96 (44%)
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Product Specifications
- Other Name: Sensor Assembly-Engine Metal Temperature; Cylinder Head Temperature Sensor; Sensor, Computer Control Sensors
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2021-2022 Chevrolet Tahoe | High Country, LS, LT, Premier, RST | 6 Cyl 3.0 L DIESEL
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Chevrolet Tahoe Coolant Temperature Sensor Part Number: 55490805
$7.04 MSRP: $12.58
You Save: $5.54 (45%)
Ships in 1-3 Business Days
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Product Specifications
- Other Name: Sensor, Computer Control Sensors; Engine Coolant Temperature Sensor; Temperature Sensor; Sensor, Coolant Temperature (Engine Unit)
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2021-2023 Chevrolet Tahoe | High Country, LS, LT, Premier, RST | 6 Cyl 3.0 L DIESEL
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Chevrolet Tahoe Fan Switch Part Number: 12556263
Product Specifications
- Other Name: Sensor, Coolant Temperature (Engine Unit); Temperature Sending Unit
- Replaces: 12554641
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 1996-1999 Chevrolet Tahoe | Base, LS, LT | 8 Cyl 5.7 L GAS

Chevrolet Tahoe Coolant Temperature Sensor

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The Coolant Temperature Sensor of Chevrolet Tahoe helps to regulate and maintain the temperatures of the coolant in order to regulate the engines as well. Its important to note that this sensor provide critical information in the management of the engine performance and fuel economy. It is quite possible that through the years various types or styles of Coolant Temperature Sensors have been installed in different models of Tahoe but information on specific variations is lacking. The primary function remains consistent: for precise measurement of the coolant temperature since the cooling of the engine is important for long engine function and optimum performance.

Chevrolet Tahoe Coolant Temperature Sensor Parts Questions & Experts Answers

Coolant Temperature Sensor, Black
12608814
Q: How to replace the Engine Coolant Temperature Sensor on Chevrolet Tahoe?
A:
The first step when replacing an Engine Coolant Temperature Sensor requires draining the cooling system until the sensor's position remains underneath the liquid. First detach the engine wiring harness electrical connector which operates the ECT sensor and then remove the sensor itself. After installing the old sensor apply GM P/N 12346004 sealant (Canadian P/N 10953480) or equivalent to its threads. Avoid using any tools in the throttle body bore because doing so might harm the throttle valve plate. Apply sealant GM P/N12346004 (Canadian P/N 10953480) to the sensor threads before installation. Then tighten the sensor to 20 Nm (15 lb ft). After sensor replacement connect the engine harness electrical connector to the ECT sensor and complete the cooling system refill.