How to replace the Engine Coolant Temperature Sensor on Buick LaCrosse?

When removing Engine Coolant Temperature Sensor, ensure that engine is cooled before you try to replace it to prevent excessive loss of coolant or personal injury. Start with the ignition switched OFF and partially draining of the cooling system using the right procedures for your vehicle model (GE 47716 Fill, L26 Static Fill, or LY7 Static Fill). Next, disconnect the electric connector from the coolant temperature sensor and pull the sensor. To install, tighten the new coolant temperature sensor to 22 N.m (16 lb ft) and reconnect the electrical connector. Lastly, check and fill the cooling system where necessary.

OEM Buick LaCrosse Coolant Temperature Sensor

Coolant Water Temperature Sensor

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7 Coolant Temperature Sensors found

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Buick LaCrosse 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:
- 2017-2019 Buick LaCrosse | Avenir, Base, Essence, Preferred, Premium, Sport Touring | 6 Cyl 3.6 L GAS
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Buick LaCrosse 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:
- 2018-2019 Buick LaCrosse | Base, Essence, Preferred, Premium | 4 Cyl 2.5 L MILD HYBRID EV-GAS (MHEV)
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Buick LaCrosse Coolant Temperature Sensor Part Number: 12611420
$18.84 MSRP: $35.38
You Save: $16.54 (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)
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2012-2016, 2010 Buick LaCrosse | Base, Convenience, CX, CXL, Leather, Premium, Sport Touring, Touring | 6 Cyl 3.0 L GAS, 6 Cyl 3.6 L FLEX, 6 Cyl 3.6 L GAS
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Buick LaCrosse Coolant Temperature Sensor Part Number: 15326386
$24.96 MSRP: $46.88
You Save: $21.92 (47%)
Ships in 1-3 Business Days
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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:
- 2005-2009 Buick LaCrosse | CX, CXL | 6 Cyl 3.8 L GAS
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Buick LaCrosse Coolant Temperature Sensor Part Number: 12641073
$12.58 MSRP: $23.62
You Save: $11.04 (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; Temperature Sending Unit; Sensor, Coolant Temperature (Engine Unit)
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2017-2019 Buick LaCrosse | Avenir, Base, Essence, Preferred, Premium, Sport Touring | 4 Cyl 2.5 L MILD HYBRID EV-GAS (MHEV), 6 Cyl 3.6 L GAS
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Buick LaCrosse 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:
- 2010-2011, 2005-2008 Buick LaCrosse | CX, CXL, CXS | 6 Cyl 3.6 L GAS
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Buick LaCrosse Coolant Temperature Sensor, Black Part Number: 12608814
$30.66 MSRP: $57.58
You Save: $26.92 (47%)
Ships in 1-3 Business Days
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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:
- 2008-2016 Buick LaCrosse | Base, Convenience, CX, CXL, Leather, Premium, Super | 4 Cyl 2.4 L GAS, 4 Cyl 2.4 L MILD HYBRID EV-GAS (MHEV), 8 Cyl 5.3 L GAS

Buick LaCrosse Coolant Temperature Sensor

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Buick LaCrosse Coolant Temperature Sensor plays a very crucial role in the functionality as well as the stability of Buick LaCrosse automobiles. This sensor is permanently fixed on the cooling system of the car to measure the level of cold on the engine and guarantee efficiency as far as the Buick LaCrosse is concerned. As a compatible device for different models of LaCrosse, the Coolant Temperature Sensor gives the option to have a different engine display, which depicts the versatility of the product and its significance in Buick. As it is directly linked with the temperature of the coolant it is a significantly important component for avoiding over-heating and thus increasing both safety as well as efficiency. Buick LaCrosse can boast of many interesting features and the Coolant Temperature Sensor can also be regarded significant as it is engaged in the process of the modern engine management system that contributes to fuel efficiency and emission regulation. This is well illustrated in the second generation LaCrosse, where a new feature called the eAssist hybrid system was incorporated in the vehicle's construction, which actually incorporates the Coolant Temperature Sensor for the achievement of increased fuel efficiency while at the same time retaining the high performance of the vehicle. The Buick LaCrosse Coolant Temperature Sensor has gained popularity for its reliability; thus, it is another sign of Buick's stamp on excellence and hard work in the automobile market. In total, this sensor is not only for improvement of the driving but also let Buick LaCrosse keep its demand among customers who are looking for safe and efficient car.

Buick LaCrosse Coolant Temperature Sensor Parts Questions & Experts Answers

Coolant Temperature Sensor
12639899
Q: How to replace the Engine Coolant Temperature Sensor on Buick LaCrosse?
A:
When removing Engine Coolant Temperature Sensor, ensure that engine is cooled before you try to replace it to prevent excessive loss of coolant or personal injury. Start with the ignition switched OFF and partially draining of the cooling system using the right procedures for your vehicle model (GE 47716 Fill, L26 Static Fill, or LY7 Static Fill). Next, disconnect the electric connector from the coolant temperature sensor and pull the sensor. To install, tighten the new coolant temperature sensor to 22 N.m (16 lb ft) and reconnect the electrical connector. Lastly, check and fill the cooling system where necessary.