How to Replace a Coolant Temperature Sensor on Buick Regal?

For replacement of Fluid temperature sensor (391), we need to Remove the case side cover, disconnect the Fluid temperature sensor from its electrical connector, then remove the Fluid temperature sensor (391). For installation, one of the steps is to install the fluid temperature sensor (391), reconnect the fluid temperature sensor electrical connector and lastly fix the case side cover.

How to Replace a Coolant Temperature Sensor on Buick Enclave?

When changing the Engine Coolant Temperature Sensor, drain the cooling system using the appropriate. Push the electrical connector heat shield up the wiring harness and remove the engine wiring harness electrical connector from the engine coolant temperature (ECT) sensor. Since this is a service procedure, the ECT sensor is removed from the vehicle and then replaced by another new ECT sensor and tightened (to 22 Nm (16 lb ft)). Another method used is to substitute a new throttle body and bolt it to the engine manifold. Always ensure proper diagnostics are set up before proceeding. The ECT sensor and slide the electrical connector heat shield down over the connector. Connect the engine wiring harness electrical connector to the ECT sensor and slide theistream electrical connector heat shield down over the connector. Finally, deflate the cooling system using the approved filling procedure.

OEM Buick Coolant Temperature Sensor

Coolant Water Temperature Sensor

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36 Coolant Temperature Sensors found

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Buick 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
Fits the following Buick Models:
- Enclave | 2018-2021 | Avenir, Base, Essence, Preferred, Premium | 6 Cyl 3.6 L GAS
- LaCrosse | 2008-2016 | 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
- Lucerne | 2009-2011 | CX, CXL, CXL Special Edition | 6 Cyl 3.9 L FLEX, 6 Cyl 3.9 L GAS
- Rainier | 2004-2007 | CXL, CXL Plus | 8 Cyl 5.3 L GAS
- Regal | 2011-2017 | Base, CXL, Premium | 4 Cyl 2.4 L FLEX, 4 Cyl 2.4 L GAS, 4 Cyl 2.4 L MILD HYBRID EV-GAS (MHEV)
- Rendezvous | 2006-2007 | CX, CXL | 6 Cyl 3.5 L GAS
- Terraza | 2005-2007 | CX, CXL | 6 Cyl 3.5 L GAS, 6 Cyl 3.9 L FLEX, 6 Cyl 3.9 L GAS
- Verano | 2012-2017 | Base, Convenience, Leather, Premium, Sport Touring, Turbo | 4 Cyl 2.0 L GAS, 4 Cyl 2.4 L FLEX, 4 Cyl 2.4 L GAS
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Buick Temperature Sending Unit Part Number: 10137628
$37.39 MSRP: $70.21
You Save: $32.82 (47%)
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Product Specifications
- Other Name: Sensor, Coolant Temperature (Engine Unit)
Fits the following Buick Models:
- Roadmaster | 1991-1993 | Base, Estate Wagon, Limited | 8 Cyl 5.0 L GAS, 8 Cyl 5.7 L GAS
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Buick Coolant Temperature Sensor Part Number: 55489870
$5.71 MSRP: $9.41
You Save: $3.70 (40%)
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Product Specifications
- Other Name: Sensor, Computer Control Sensors; Engine Coolant Temperature Sensor; Temperature Sensor; Sensor, Coolant Temperature (Engine Unit)
Fits the following Buick Models:
- Encore GX | 2020-2023 | Essence, Preferred, Select | 3 Cyl 1.3 L GAS
- Envision | 2021-2023 | Avenir, Essence, Preferred | 4 Cyl 2.0 L GAS
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Buick Fan Switch Part Number: 10232600
$2.54 MSRP: $36.86
You Save: $34.32 (94%)
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Product Specifications
- Other Name: Switch, Coolant Temperature (Engine Unit); Engine Coolant Temperature Sender; Coolant Temperature Sender; Temperature Switch
Fits the following Buick Models:
- Regal | 1992-1995 | Custom, Limited | 6 Cyl 3.1 L GAS
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Buick Temperature Sending Unit Part Number: 25036649
$23.08 MSRP: $70.14
You Save: $47.06 (68%)
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Product Specifications
- Other Name: Sensor, Coolant Temperature (Engine Unit)
Fits the following Buick Models:
- Skyhawk | 1984 | Custom, Limited | 4 Cyl 2.0 L GAS
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Buick Coolant Temperature Sensor Part Number: 25036628
Product Specifications
- Other Name: Sensor, Computer Control Sensors; Fan Switch; Temperature Sending Unit; Sensor, Coolant Temperature (Engine Unit)
Fits the following Buick Models:
- Century | 1984-1985 | Custom, Estate Wagon, Limited | 6 Cyl 4.3 L DIESEL
- LeSabre | 1988 | Base, Custom, Limited | 6 Cyl 3.8 L GAS
- Riviera | 1984-1985 | Base, Luxury, T-Type | 6 Cyl 3.8 L GAS, 6 Cyl 4.1 L GAS, 8 Cyl 5.0 L GAS, 8 Cyl 5.7 L DIESEL
- Skylark | 1986-1990 | Custom, Gran Sport, Limited, Luxury Edition | 4 Cyl 2.3 L GAS, 4 Cyl 2.5 L GAS, 6 Cyl 3.0 L GAS
- Somerset | 1986-1987 | Custom, Limited, T-Type | 4 Cyl 2.5 L GAS, 6 Cyl 3.0 L GAS
- Somerset Regal | 1985 | Base, Limited | 4 Cyl 2.5 L GAS, 6 Cyl 3.0 L GAS
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Buick Coolant Temperature Switch Part Number: 25036601
Product Specifications
- Other Name: Switch Assembly, Early Fuel Evaporation Heater Engine Coolant Temperature; EFE Temperature Switch; Coolant Temperature and Early Fuel Evaporation Control Switch Kit.
Fits the following Buick Models:
- Skyhawk | 1984 | Custom, Limited, T-Type | 4 Cyl 1.8 L GAS, 4 Cyl 2.0 L GAS
- Skylark | 1984-1985 | Custom, Limited, T-Type | 4 Cyl 2.5 L GAS, 6 Cyl 2.8 L GAS
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Buick Temperature Sending Unit Part Number: 8993146
Product Specifications
- Other Name: Sensor Assembly-Engine Wtr Temperature (1 Terminal); Sensor, Coolant Temperature (Engine Unit)
Fits the following Buick Models:
- Century | 1984-1988 | Custom, Estate Wagon, Limited, T-Type | 4 Cyl 2.5 L GAS, 6 Cyl 2.8 L GAS, 6 Cyl 3.8 L GAS
- Skyhawk | 1984-1987 | Custom, Limited, Sport, T-Type | 4 Cyl 1.8 L GAS, 4 Cyl 2.0 L GAS
- Skylark | 1984-1985 | Custom, Limited, T-Type | 4 Cyl 2.5 L GAS, 6 Cyl 2.8 L GAS
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Buick Temperature Sending Unit Part Number: 25037138
Product Specifications
- Other Name: Switch, Coolant Temperature (Engine Unit); Switch
Fits the following Buick Models:
- Century | 1988-1989 | Custom, Estate Wagon, Limited | 6 Cyl 2.8 L GAS
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Buick Coolant Temperature Sensor Part Number: 10137646
Product Specifications
- Other Name: Sensor; Temperature Sending Unit; Sensor, Coolant Temperature (Engine Unit); Sensor, Computer Control Sensors
Fits the following Buick Models:
- Century | 1993 | Custom, Limited, Special | 4 Cyl 2.2 L GAS
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Buick Temperature Sending Unit Part Number: 25037258
Product Specifications
- Other Name: Sensor, Coolant Temperature (Engine Unit)
Fits the following Buick Models:
- Century | 1989 | Custom, Limited | 6 Cyl 2.8 L GAS
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Buick Temperature Sending Unit Part Number: 25037250
Product Specifications
- Other Name: Sensor, Coolant Temperature (Engine Unit)
Fits the following Buick Models:
- Electra | 1988-1989 | Limited, Park Avenue, Park Avenue Ultra, T-Type | 6 Cyl 3.8 L GAS
- LeSabre | 1988-1991 | Base, Custom, Limited | 6 Cyl 3.8 L GAS
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Buick Temperature Switch Part Number: 25036373
Product Specifications
- Other Name: Switch Assembly, Engine Coolant Temperature Indicator; Temperature Sending Unit; Switch, Coolant Temperature (Engine Unit)
Fits the following Buick Models:
- Century | 1984-1986 | Custom, Estate Wagon, Limited | 6 Cyl 2.8 L GAS
- Skyhawk | 1984-1987 | Custom, Limited, Sport, T-Type | 4 Cyl 1.8 L GAS, 4 Cyl 2.0 L GAS
- Skylark | 1984-1985 | Custom, Limited, T-Type | 6 Cyl 2.8 L GAS
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Buick Temperature Sending Unit Part Number: 25036371
Product Specifications
- Other Name: Switch, Coolant Temperature (Engine Unit); Switch Package, Coolant Temperature (Engine Unit); Switch, Engine Coolant Temperature ( Engine Unit)
Fits the following Buick Models:
- Century | 1984-1989 | Custom, Estate Wagon, Limited, T-Type | 4 Cyl 2.5 L GAS, 6 Cyl 3.8 L GAS
- Electra | 1984 | Limited, Park Avenue | 6 Cyl 4.1 L GAS
- LeSabre | 1984-1985 | Collector's Edition, Custom, Limited | 6 Cyl 3.8 L GAS, 6 Cyl 4.1 L GAS
- Regal | 1984-1985 | Base, Grand National, Limited, T-Type | 6 Cyl 3.8 L GAS, 6 Cyl 4.1 L GAS
- Skylark | 1984-1985 | Custom, Limited | 4 Cyl 2.5 L GAS
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Buick Fan Switch Part Number: 25036629
Product Specifications
- Other Name: Switch, Computer Control Sensors; Temperature Switch; Temperature Sending Unit; Switch, Coolant Temperature (Engine Unit)
Fits the following Buick Models:
- Century | 1990, 1984-1985 | Custom, Estate Wagon, Limited | 4 Cyl 2.5 L GAS, 6 Cyl 4.3 L DIESEL
- Electra | 1989, 1984-1987 | Estate Wagon, Limited, Park Avenue, T-Type | 6 Cyl 3.0 L GAS, 6 Cyl 3.8 L GAS, 6 Cyl 4.3 L DIESEL, 8 Cyl 5.0 L GAS, 8 Cyl 5.7 L DIESEL
- LeSabre | 1984-1990 | Base, Collector's Edition, Custom, Estate Wagon, Limited, T-Type | 6 Cyl 3.0 L GAS, 6 Cyl 3.8 L GAS, 8 Cyl 5.0 L GAS, 8 Cyl 5.7 L DIESEL
- Regal | 1988-1989 | Custom, Limited | 6 Cyl 2.8 L GAS
- Riviera | 1984 | Base, Luxury, T-Type | 6 Cyl 3.8 L GAS, 6 Cyl 4.1 L GAS, 8 Cyl 5.0 L GAS, 8 Cyl 5.7 L DIESEL
- Skyhawk | 1988-1989 | Custom, SE | 4 Cyl 2.0 L GAS
- Skylark | 1996-1998, 1988-1991 | Base, Custom, Gran Sport, Limited, Luxury Edition, Olympic Gold Edition | 4 Cyl 2.3 L GAS, 4 Cyl 2.5 L GAS, 6 Cyl 3.0 L GAS, 6 Cyl 3.1 L GAS, 6 Cyl 3.3 L GAS
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Buick Temperature Sending Unit Part Number: 25037244
Product Specifications
- Other Name: Switch, Coolant Temperature (Engine Unit)
Fits the following Buick Models:
- Electra | 1990 | Limited, Park Avenue, Park Avenue Ultra, T-Type | 6 Cyl 3.8 L GAS
- Park Avenue | 1991-1993 | Base, Ultra | 6 Cyl 3.8 L GAS
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Buick Temperature Switch Part Number: 25036647
Product Specifications
- Other Name: Switch Assembly, Engine Coolant Temperature Indicator; Switch, Coolant Temperature (Engine Unit)
Fits the following Buick Models:
- Skyhawk | 1984 | Custom, Limited | 4 Cyl 2.0 L GAS
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Buick Coolant Temperature Sensor Part Number: 25037202
Product Specifications
- Other Name: Sensor, Computer Control Sensors; Temperature Sending Unit; Sensor, Coolant Temperature (Engine Unit)
Fits the following Buick Models:
- Skyhawk | 1987-1989 | Custom, Limited, SE, Sport, T-Type | 4 Cyl 2.0 L GAS
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Buick Fan Switch Part Number: 3050223
Product Specifications
- Other Name: Switch Assembly, Engine Coolant Temperature Indicator; Switch; Switch, Engine Air Cooling(Electrical)
Fits the following Buick Models:
- Century | 1984-1987 | Custom, Estate, Estate Wagon, Limited, Olympia Limited, T-Type | 6 Cyl 3.0 L GAS, 6 Cyl 3.8 L GAS
- Electra | 1985 | Limited, Park Avenue | 6 Cyl 4.3 L DIESEL
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Buick Coolant Temperature Sensor Part Number: 25036807
Product Specifications
- Other Name: Sensor, Coolant Temperature (Engine Unit); Temperature Sensor; Fan Switch; Temperature Sending Unit; Sensor
Fits the following Buick Models:
- Century | 1989-1993 | Custom, Estate Wagon, Limited, Special | 4 Cyl 2.5 L GAS, 6 Cyl 3.3 L GAS
- Skylark | 1992-1995 | Custom, Gran Sport, Limited | 4 Cyl 2.3 L GAS, 6 Cyl 3.3 L GAS

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Buick Coolant Temperature Sensor

Choose OEM Coolant Temperature Sensor, you're making the optimal decision for superior quality and perfect performance. You can feel confident because each component goes through stringent quality checks. Every part is carefully built to comply with Buick's factory specifications. You'll enjoy a smooth, worry-free installation that fits just right. At ChevyPartsDeal.com, you'll find it easy to get top-quality OEM Buick Coolant Temperature Sensor. You can shop at highly competitive prices and protect your budget. All our genuine Buick parts include a dependable manufacturer's warranty. You'll also appreciate our straightforward return policy and swift delivery services for extra convenience.

Buick Coolant Temperature Sensor maintains an engine heat check that ensures a more consistent performance and better-safe drives. Buick strikes a balance between the generations of tradition and innovations that make driving every day more relaxed and comfortable. In 1903 the company began manufacturing automobiles and continued to add to the ride comfort by fine-tuning the engine, seating comfort, and surfaces that absorb noise on the road enabling the occupants to converse without shouting. It introduced driver-oriented updates annually in the form of user-friendly dashboard designs to automatic gearboxes that drive naturally even when there is a traffic jam. The brand also has a vision; the concept Wildcat EV demonstrates smooth lines, bright lights, and an all-electric engine that will be applied on the streets tomorrow. Buyers observe how Buick integrates these progressions into the relaxed position with which previous models had been popular during longer highway journeys. Families enjoy the spacious cabins and clean lines in urban areas and find the same sense of calmness in the driver seat. Coolant Temperature Sensor measures the liquid flowing through the block, creates voltage signals that increase and decrease with each degree, permits the control unit to adjust the fine-tuning of the fuel mix, spark timing, and fan speed within milliseconds and in the process maintains horsepower constant, restricts the amount of fuel combusted, and keeps metal components safely below the danger zone. The Coolant Temperature Sensor is installed on the engine head, in the coolant stream, can be plugged directly into the existing wiring, and it is not prone to vibration or splashing of chemicals; thus, the same reliable data will flow to the computer each year.

Buick Coolant Temperature Sensor Parts and Q&A

Coolant Temperature Sensor
15326386
Q: How to Replace a Coolant Temperature Sensor on Buick Regal?
A:
For replacement of Fluid temperature sensor (391), we need to Remove the case side cover, disconnect the Fluid temperature sensor from its electrical connector, then remove the Fluid temperature sensor (391). For installation, one of the steps is to install the fluid temperature sensor (391), reconnect the fluid temperature sensor electrical connector and lastly fix the case side cover.
Coolant Temperature Sensor
12639899
Q: How to Replace a Coolant Temperature Sensor on Buick Enclave?
A:
When changing the Engine Coolant Temperature Sensor, drain the cooling system using the appropriate. Push the electrical connector heat shield up the wiring harness and remove the engine wiring harness electrical connector from the engine coolant temperature (ECT) sensor. Since this is a service procedure, the ECT sensor is removed from the vehicle and then replaced by another new ECT sensor and tightened (to 22 Nm (16 lb ft)). Another method used is to substitute a new throttle body and bolt it to the engine manifold. Always ensure proper diagnostics are set up before proceeding. The ECT sensor and slide the electrical connector heat shield down over the connector. Connect the engine wiring harness electrical connector to the ECT sensor and slide theistream electrical connector heat shield down over the connector. Finally, deflate the cooling system using the approved filling procedure.