How to replace the Engine Coolant Temperature Sensor on GMC Acadia?

Drain the engine cooling system before you take out the engine coolant temperature sensor. Push the heat shield for the electrical connector up along the wiring harness and take off the engine wiring harness electrical connector from the ECT sensor . Take the ECT sensor out and set in the new one, tightening it to the supplied torque of 22 N.m (16 lb ft). Hook up the engine wiring harness electrical connector to the ECT sensor and smoothly push the electrical connector heat shield down on top of it. Finally, fill the cooling system.

OEM GMC Acadia Coolant Temperature Sensor

Coolant Water Temperature Sensor

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6 Coolant Temperature Sensors found

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GMC Acadia Coolant Temperature Sensor Part Number: 12650595
$8.11 MSRP: $16.46
You Save: $8.35 (51%)
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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:
- 2017-2020 GMC Acadia | AT4, Denali, SLE, SLT | 6 Cyl 3.6 L GAS
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GMC Acadia Coolant Temperature Sensor Part Number: 12656444
$12.82 MSRP: $23.93
You Save: $11.11 (47%)
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Product Specifications
- Other Name: Sensor, Computer Control Sensors; Engine Coolant Temperature Sensor; Temperature Sensor; Sensor, Coolant Temperature (Engine Unit)
- Replaces: 12636534
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2017-2021 GMC Acadia | SL, SLE, SLT | 4 Cyl 2.5 L GAS
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GMC Acadia Coolant Temperature Sensor Part Number: 12639899
$28.44 MSRP: $53.40
You Save: $24.96 (47%)
Ships in 1-2 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)
- Replaces: 12566778
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2007-2016 GMC Acadia | Denali, SL, SLE, SLT | 6 Cyl 3.6 L GAS
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GMC Acadia Coolant Temperature Sensor Part Number: 55489870
$6.00 MSRP: $9.41
You Save: $3.41 (37%)
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:
- 2020-2023 GMC Acadia | Denali, SLE, SLT | 4 Cyl 2.0 L GAS
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GMC Acadia Coolant Temperature Sensor Part Number: 55497116
$6.93 MSRP: $12.94
You Save: $6.01 (47%)
Ships in 1-3 Business Days
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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:
- 2020-2023 GMC Acadia | Denali, SLE, SLT | 4 Cyl 2.0 L GAS
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GMC Acadia Coolant Temperature Sensor Part Number: 55488246
$5.40 MSRP: $9.78
You Save: $4.38 (45%)
ADD TO CART
Product Specifications
- Other Name: Sensor, Computer Control Sensors; Engine Coolant Temperature Sensor; Temperature Sensor; Sensor, Coolant Temperature (Engine Unit); Sensor, Transmission Oil Cooler
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2020-2023 GMC Acadia | AT4, Denali, SLE, SLT | 4 Cyl 2.0 L GAS, 6 Cyl 3.6 L GAS

GMC Acadia Coolant Temperature Sensor

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The Coolant Temperature Sensor in GMC Acadia is a vital sensor that keeps close check on the temperature of the coolant for proper operation of the vehicle's engine. Through sensing temperature of the coolant, regulates the operating conditions of the engine. Since the Coolant Temperature Sensors can be of various type or style, it means that there may be different Acadia models, which have different type or style of this sensor with different characteristics or parameters. Grouping the Coolant Temperature Sensor in the category of sensors is indeed very correct because anything that has to do with the sensor tremendously affect the health and efficiency of your GMC Acadia.

GMC Acadia Coolant Temperature Sensor Parts and Q&A

Coolant Temperature Sensor
12639899
Q: How to replace the Engine Coolant Temperature Sensor on GMC Acadia?
A:
Drain the engine cooling system before you take out the engine coolant temperature sensor. Push the heat shield for the electrical connector up along the wiring harness and take off the engine wiring harness electrical connector from the ECT sensor . Take the ECT sensor out and set in the new one, tightening it to the supplied torque of 22 N.m (16 lb ft). Hook up the engine wiring harness electrical connector to the ECT sensor and smoothly push the electrical connector heat shield down on top of it. Finally, fill the cooling system.