How do you remove the engine coolant temperature (ECT) sensor on GMC Terrain?

To remove the engine coolant temperature (ECT) sensor, start by removing the engine cover. Disconnect the electrical connector from the ECT sensor, which is located at the front of the engine on the side of the engine block for 3.0L and 3.6L V6 models, and below the exhaust manifold towards the end of the engine for 2.4L four-cylinder models. Also, apply some sealant to the threads and reinstall the engine cover.

Genuine GMC Terrain Coolant Temperature Sensor

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9 Coolant Temperature Sensors found

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GMC Terrain Sensor, Engine Coolant Temperature
Part Number: 12656444
$11.00 MSRP: $22.85
You Save: $11.85 (52%)
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Product Specifications
- Other Name: SENSOR, Coolant Temperature (Engine Unit); Coolant Temperature Sensor, Temperature Sensor
- Replaces: 12636534
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2018-2020 GMC Terrain | 4 DOOR SLE2, 4 DOOR SLT1, 4 DOOR SLT2 | 4 Cyl 2.0L
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GMC Terrain Sensor Assembly, Engine Coolant Temperature
Part Number: 12608814
$30.69 MSRP: $57.90
You Save: $27.21 (47%)
Ships in 1-3 Business Days
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Product Specifications
- Other Name: SENSOR, Coolant Temperature (Engine Unit)
- Replaces: 15369305, 25037062, 12191170, 15326388
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2010-2017 GMC Terrain | SLE1 SUV, SLE2 SUV, SLT SUV | 4 Cyl 2.4L
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GMC Terrain Sensor, Engine Coolant Temperature
Part Number: 12611420
$17.89 MSRP: $33.76
You Save: $15.87 (48%)
Ships in 1-2 Business Days
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Product Specifications
- Other Name: SENSOR, Coolant Temperature (Engine Unit); Coolant Temperature Sensor, Temperature Sensor
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2010-2017 GMC Terrain | SLE2 SUV, SLT SUV | 6 Cyl 3.0L, 6 Cyl 3.6L
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GMC Terrain Sensor Assembly, Engine Coolant Temperature
Part Number: 12641073
$12.27 MSRP: $23.16
You Save: $10.89 (48%)
Ships in 1-2 Business Days
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Product Specifications
- Other Name: SENSOR, Coolant Temperature (Engine Unit)
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2018-2024 GMC Terrain | 4 DOOR SLE2, 4 DOOR SLE2 , 4 DOOR SLT1, 4 DOOR SLT1 , 4 DOOR SLT2 | 4 Cyl 1.5L, 4 Cyl 1.6L Diesel
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GMC Terrain Sensor Assembly, Engine Coolant Temperature
Part Number: 25186240
$16.07 MSRP: $30.31
You Save: $14.24 (47%)
Ships in 1-2 Business Days
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Product Specifications
- Other Name: SENSOR, Coolant Temperature (Engine Unit)
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2018-2019 GMC Terrain | 4 DOOR SLE2, 4 DOOR SLT1 | 4 Cyl 1.6L Diesel
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GMC Terrain Sensor, Eng Cool Temp
Part Number: 55488246
$4.94 MSRP: $9.32
You Save: $4.38 (47%)
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Product Specifications
- Other Name: Coolant Temperature Sensor, Temperature Sensor
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2022 GMC Terrain | 4 DOOR SLE2 , 4 DOOR SLT2 | 4 Cyl 2.0L
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GMC Terrain Sensor Assembly, Eng Cool Temp (Part Of Cooling System)
Part Number: 55497116
$6.47 MSRP: $11.76
You Save: $5.29 (45%)
Ships in 1-3 Business Days
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Product Specifications
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2022 GMC Terrain | 4 DOOR SLE2 , 4 DOOR SLT1 , 4 DOOR SLT2 | 4 Cyl 2.0L
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GMC Terrain Sensor Assembly, Eng Cool Temp
Part Number: 55489870
$5.43 MSRP: $8.55
You Save: $3.12 (37%)
Ships in 1-3 Business Days
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Product Specifications
- Other Name: Coolant Temperature Sensor, Temperature Sensor
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2022 GMC Terrain | 4 DOOR SLE2 , 4 DOOR SLT1 , 4 DOOR SLT2 | 4 Cyl 2.0L
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GMC Terrain SENSOR ASM-ENG COOL TEMP
Part Number: 12707289
$6.29 MSRP: $11.28
You Save: $4.99 (45%)
Ships in 1-2 Business Days
ADD TO CART
Product Specifications
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2022 GMC Terrain | 4 DOOR SLE2 , 4 DOOR SLT1 , 4 DOOR SLT2 | 4 Cyl 2.0L

GMC Terrain Coolant Temperature Sensor

The Coolant Temperature Sensor as one of the components in GMC Terrain vehicles specializes in measuring the temperature of the coolant in order to maintain effective function of the automobile engine. Located on the coolant temperature circuit it continuously measures temperature of the coolant; making it an important component of the efficient and effective running of the engine. It is possible that Cooler Temperature Sensors for use in Terrace have evolved over the years and thus different models of Terrain could have different types of the Coolant Temperature Sensors with varied features. These variations in the kinds of sensors may mean that some of them can perform this function well while others cannot.

Each OEM GMC Terrain Coolant Temperature Sensor we offer is competitively priced and comes with the assurance of the manufacturer's warranty for the part. Furthermore, we guarantee the speedy delivery of your orders right to your doorstep. Our hassle-free return policy is also in place for your peace of mind.

GMC Terrain Coolant Temperature Sensor Parts Questions & Experts Answers

Sensor, Engine Coolant Temperature
12611420
Q: How do you remove the engine coolant temperature (ECT) sensor on GMC Terrain?
A: To remove the engine coolant temperature (ECT) sensor, start by removing the engine cover. Disconnect the electrical connector from the ECT sensor, which is located at the front of the engine on the side of the engine block for 3.0L and 3.6L V6 models, and below the exhaust manifold towards the end of the engine for 2.4L four-cylinder models. Also, apply some sealant to the threads and reinstall the engine cover.

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