Chevrolet Trailblazer Ext Coolant Temperature Sensors

Your Chevrolet Trailblazer Ext will be happy to know that the search for the right Coolant Temperature Sensors you’ve been looking for is over! Advance Auto Parts has 10 different Coolant Temperature Sensors for your vehicle, ready for shipping or in-store pick up. The best part is, our Chevrolet Trailblazer Ext Coolant Temperature Sensors start from as little as $20.99.

When it comes to your Chevrolet Trailblazer Ext, you want parts and products from only trusted brands. Here at Advance Auto Parts, we work with only top reliable Coolant Temperature Sensors brands so you can shop with complete confidence. Some of our top Coolant Temperature Sensors brands are Carquest Premium and AC Delco. We’re sure you will get the right product to keep that Trailblazer Ext running for a long time.

We even have reviews of our OEM and aftermarket Coolant Temperature Sensors products to help you buy with confidence. Hear from other customers via the 20 reviews on parts for your Chevrolet Trailblazer Ext.

Shop online, find the best price on the right product, and have it shipped right to your door. If you prefer to shop in person for the right Coolant Temperature Sensors for your Trailblazer Ext, visit one of our local Advance Auto Parts locations and you’ll be back on the road in no time!

Compare 25 Chevrolet Coolant Temperature Sensors

ACDelco – Engine Coolant Temperature Sensor (Part No.213-4514)

Engine Coolant Temperature Sensor

from

$34.99
ACDelco Professional Engine Coolant Temperature Sensor is a high quality aftermarket replacement component for one or more of the following vehicle systems: ignition, and/or engine fuel management. This premium aftermarket sensor is manufactured to meet or exceed your expectations for fit, form, and function.

Product Features:
  • Professional, premium aftermarket replacement
  • Provides the performance and dependability you expect from ACDelco
  • Manufactured to meet expectations for fit, form, and function
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Delphi – Engine Coolant Temperature Sensor (Part No.TS10075)

Engine Coolant Temperature Sensor

from

$29.99
Delphi temperature sensors are built with the latest OE technology; Delphi temperature sensors use durable, one-piece design; Delphi temperature sensors are impervious to electrical noise and interference.

Product Features:
  • Delphi temperature sensors deliver accurate readings and optimal performance
  • Delphi’s one-piece design and automated production process eliminates internal connectors and failure points
  • Each sensor is electrically insulated to eliminate interference from other components in the vehicle
  • Delphi temperature sensors are impervious to electrical noise and interference
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Delphi – Engine Coolant Temperature Sensor (Part No.TS10076)

Engine Coolant Temperature Sensor

from

$50.99
Delphi temperature sensors are built with the latest OE technology; Delphi temperature sensors use durable, one-piece design; Delphi temperature sensors are impervious to electrical noise and interference.

Product Features:
  • Delphi temperature sensors deliver accurate readings and optimal performance
  • Delphi’s one-piece design and automated production process eliminates internal connectors and failure points
  • Each sensor is electrically insulated to eliminate interference from other components in the vehicle
  • Delphi temperature sensors are impervious to electrical noise and interference
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ACDelco – Engine Coolant Temperature Sensor (Part No.213-815)

Engine Coolant Temperature Sensor

from

$45.99
ACDelco GM Original Equipment Engine Coolant Temperature Sensors monitor engine temperature, and are GM-recommended replacements for your vehicle’s original components. The engine temperature signal is used by the engine control module to adjust the air/fuel mixture and ignition timing. These original equipment engine coolant temperature sensors have been manufactured to fit your GM vehicle, providing the same performance, durability, and service life you expect from General Motors.

Product Features:
  • Helps keep engine running at proper temperature
  • Alerts vehicle operator of high engine temperature conditions
  • GM-recommended replacement part for your GM vehicle’s original factory component
  • Offering the quality, reliability, and durability of GM OE
  • Manufactured to GM OE specification for fit, form, and function
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Factory Air – Coolant Temp Sensor Switch (Part No.36403)

Coolant Temp Sensor Switch

from

$24.05
High quality OE replacement part with all components needed to complete the job

Product Features:
  • Contains gaskets, O-rings, or seals to properly replace the product
  • Brass construction for accurate temperature sensing
  • Color coded for easy identification
  • Zinc coated terminal to resist corrosion
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Factory Air – Coolant Temp Sensor Switch (Part No.36424)

Coolant Temp Sensor Switch

from

$34.05
High quality OE replacement part with all components needed to complete the job

Product Features:
  • Contains gaskets, O-rings, or seals to properly replace the product
  • Brass construction for accurate temperature sensing
  • Color coded for easy identification
  • Zinc coated terminal to resist corrosion
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Factory Air – Coolant Temp Sensor Switch (Part No.36445)

Coolant Temp Sensor Switch

from

$41.05
High quality OE replacement part with all components needed to complete the job

Product Features:
  • Contains gaskets, O-rings, or seals to properly replace the product
  • Brass construction for accurate temperature sensing
  • Color coded for easy identification
  • Zinc coated terminal to resist corrosion
See More

Carquest Premium – Coolant Temperature Sensor (Part No.WTC1002)

Coolant Temperature Sensor

from

$20.99
Approved materials for increased durability in even the most extreme temperatures. All MotoRad Coolant Temperature Sensors are designed to meet or exceed OEM specifications at our ISO TS16949 manufacturing facilities.

Product Features:
  • 100% factory resistance calibrated to ensure precision tolerances, resulting in extremely accurate temperature for optimal performance
  • Thread Sealant and/or O-ring pre-installed on applicable sensors to ensure leak free performance
  • Brass sensor housing precision machined to meet or exceed OE thermal conductivity
  • OE precision matched thermistor position for correct output parameters
  • Extensive product testing includes salt spray, high/low temperature impact, thermal vibration, durability, static electricity, and micro tension, among other tests, to ensure all sensors meet or exceed OEM specifications.
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Carquest Premium – Coolant Temperature Sensor (Part No.WTC1001)

Coolant Temperature Sensor

from

$22.99
Approved materials for increased durability in even the most extreme temperatures. All MotoRad Coolant Temperature Sensors are designed to meet or exceed OEM specifications at our ISO TS16949 manufacturing facilities.

Product Features:
  • 100% factory resistance calibrated to ensure precision tolerances, resulting in extremely accurate temperature for optimal performance
  • Thread Sealant and/or O-ring pre-installed on applicable sensors to ensure leak free performance
  • Brass sensor housing precision machined to meet or exceed OE thermal conductivity
  • OE precision matched thermistor position for correct output parameters
  • Extensive product testing includes salt spray, high/low temperature impact, thermal vibration, durability, static electricity, and micro tension, among other tests, to ensure all sensors meet or exceed OEM specifications.
See More

ACDelco – Engine Coolant Temperature Sensor (Part No.213-4688)

Engine Coolant Temperature Sensor

from

$18.99
ACDelco GM Original Equipment Engine Coolant Temperature Sensors monitor engine temperature, and are GM-recommended replacements for your vehicle’s original components. The engine temperature signal is used by the engine control module to adjust the air/fuel mixture and ignition timing. These original equipment engine coolant temperature sensors have been manufactured to fit your GM vehicle, providing the same performance, durability, and service life you expect from General Motors.

Product Features:
  • Helps keep engine running at proper temperature
  • Alerts vehicle operator of high engine temperature conditions
  • GM-recommended replacement part for your GM vehicle’s original factory component
  • Offering the quality, reliability, and durability of GM OE
  • Manufactured to GM OE specification for fit, form, and function
See More

Carquest Premium – Coolant Temperature Sensor (Part No.WTC1005)

Coolant Temperature Sensor

from

$25.99
Approved materials for increased durability in even the most extreme temperatures. All MotoRad Coolant Temperature Sensors are designed to meet or exceed OEM specifications at our ISO TS16949 manufacturing facilities.

Product Features:
  • 100% factory resistance calibrated to ensure precision tolerances, resulting in extremely accurate temperature for optimal performance
  • Thread Sealant and/or O-ring pre-installed on applicable sensors to ensure leak free performance
  • Brass sensor housing precision machined to meet or exceed OE thermal conductivity
  • OE precision matched thermistor position for correct output parameters
  • Extensive product testing includes salt spray, high/low temperature impact, thermal vibration, durability, static electricity, and micro tension, among other tests, to ensure all sensors meet or exceed OEM specifications.
See More

Carquest Premium – Coolant Temperature Sensor (Part No.WTC1022)

Coolant Temperature Sensor

from

$29.99
Approved materials for increased durability in even the most extreme temperatures. All MotoRad Coolant Temperature Sensors are designed to meet or exceed OEM specifications at our ISO TS16949 manufacturing facilities.

Product Features:
  • 100% factory resistance calibrated to ensure precision tolerances, resulting in extremely accurate temperature for optimal performance
  • Thread Sealant and/or O-ring pre-installed on applicable sensors to ensure leak free performance
  • Brass sensor housing precision machined to meet or exceed OE thermal conductivity
  • OE precision matched thermistor position for correct output parameters
  • Extensive product testing includes salt spray, high/low temperature impact, thermal vibration, durability, static electricity, and micro tension, among other tests, to ensure all sensors meet or exceed OEM specifications.
See More

Carquest Premium – Coolant Temperature Sensor (Part No.WTC1006)

Coolant Temperature Sensor

from

$14.99
Approved materials for increased durability in even the most extreme temperatures. All MotoRad Coolant Temperature Sensors are designed to meet or exceed OEM specifications at our ISO TS16949 manufacturing facilities.

Product Features:
  • 100% factory resistance calibrated to ensure precision tolerances, resulting in extremely accurate temperature for optimal performance
  • Thread Sealant and/or O-ring pre-installed on applicable sensors to ensure leak free performance
  • Brass sensor housing precision machined to meet or exceed OE thermal conductivity
  • OE precision matched thermistor position for correct output parameters
  • Extensive product testing includes salt spray, high/low temperature impact, thermal vibration, durability, static electricity, and micro tension, among other tests, to ensure all sensors meet or exceed OEM specifications.
See More

NTK – Engine Coolant Temperature Sensor (Part No.EF0075)

Engine Coolant Temperature Sensor

from

$38.99
The Engine Coolant Temperature Sensor determines the exact temperature of the engine coolant by sending an analog signal to the ECM to censure proper air/fuel ratio along with proper operation of the cooling fan(s) and temperature gauge. The Engine Coolant Temperature Sensor may be located on the cylinder head, engine block, thermostat housing or intake manifold. Reasons for replacement include: check engine light illumination, erratic or no temperature gauge operation, erratic or no cooling fan operation, and engine overheating.

Product Features:
  • OE MATCHED: Wires and probe length match OE. Mounting clip(s) included where applicable
  • FASTER RESPONSE TIME: Thermal conductive grease inside brass housing increases sensor response time
  • THE NTK DIFFERENCE: Thread sealant/o-ring installed where applicable. Thermistor placement within the housing matches OE to ensure proper output. Proper thermal conductive grease to provide accurate temperature transfer to the thermistor
See More

Carquest Premium – Temperature Sender With Gauge (Part No.WTC1017)

Temperature Sender With Gauge

from

$27.99
Approved materials for increased durability in even the most extreme temperatures. All MotoRad Coolant Temperature Sensors are designed to meet or exceed OEM specifications at our ISO TS16949 manufacturing facilities.

Product Features:
  • 100% factory resistance calibrated to ensure precision tolerances, resulting in extremely accurate temperature for optimal performance
  • Thread Sealant and/or O-ring pre-installed on applicable sensors to ensure leak free performance
  • Brass sensor housing precision machined to meet or exceed OE thermal conductivity
  • OE precision matched thermistor position for correct output parameters
  • Extensive product testing includes salt spray, high/low temperature impact, thermal vibration, durability, static electricity, and micro tension, among other tests, to ensure all sensors meet or exceed OEM specifications.
See More

ACDelco – Engine Coolant Temperature Sensor (Part No.55591401)

Engine Coolant Temperature Sensor

from

$29.99
ACDelco GM Original Equipment Engine Coolant Temperature Sensors monitor engine temperature, and are GM-recommended replacements for your vehicle’s original components. The engine temperature signal is used by the engine control module to adjust the air/fuel mixture and ignition timing. These original equipment engine coolant temperature sensors have been manufactured to fit your GM vehicle, providing the same performance, durability, and service life you expect from General Motors.

Product Features:
  • Helps keep engine running at proper temperature
  • Alerts vehicle operator of high engine temperature conditions
  • GM-recommended replacement part for your GM vehicle’s original factory component
  • Offering the quality, reliability, and durability of GM OE
  • Manufactured to GM OE specification for fit, form, and function
See More

ACDelco – Engine Coolant Temperature Sensor (Part No.213-4777)

Engine Coolant Temperature Sensor

from

$40.99
ACDelco GM Original Equipment Engine Coolant Temperature Sensors monitor engine temperature, and are GM-recommended replacements for your vehicle’s original components. The engine temperature signal is used by the engine control module to adjust the air/fuel mixture and ignition timing. These original equipment engine coolant temperature sensors have been manufactured to fit your GM vehicle, providing the same performance, durability, and service life you expect from General Motors.

Product Features:
  • Helps keep engine running at proper temperature
  • Alerts vehicle operator of high engine temperature conditions
  • GM-recommended replacement part for your GM vehicle’s original factory component
  • Offering the quality, reliability, and durability of GM OE
  • Manufactured to GM OE specification for fit, form, and function
See More

ACDelco – Engine Coolant Temperature Sensor (Part No.213-4232)

Engine Coolant Temperature Sensor

from

$29.99
ACDelco GM Original Equipment Engine Coolant Temperature Sensors monitor engine temperature, and are GM-recommended replacements for your vehicle’s original components. The engine temperature signal is used by the engine control module to adjust the air/fuel mixture and ignition timing. These original equipment engine coolant temperature sensors have been manufactured to fit your GM vehicle, providing the same performance, durability, and service life you expect from General Motors.

Product Features:
  • Helps keep engine running at proper temperature
  • Alerts vehicle operator of high engine temperature conditions
  • GM-recommended replacement part for your GM vehicle’s original factory component
  • Offering the quality, reliability, and durability of GM OE
  • Manufactured to GM OE specification for fit, form, and function
See More

Carquest Premium – Coolant Temperature Sensor with Washer (Part No.WTC1039)

Coolant Temperature Sensor with Washer

from

$31.99
Approved materials for increased durability in even the most extreme temperatures. All MotoRad Coolant Temperature Sensors are designed to meet or exceed OEM specifications at our ISO TS16949 manufacturing facilities.

Product Features:
  • 100% factory resistance calibrated to ensure precision tolerances, resulting in extremely accurate temperature for optimal performance
  • Thread Sealant and/or O-ring pre-installed on applicable sensors to ensure leak free performance
  • Brass sensor housing precision machined to meet or exceed OE thermal conductivity
  • OE precision matched thermistor position for correct output parameters
  • Extensive product testing includes salt spray, high/low temperature impact, thermal vibration, durability, static electricity, and micro tension, among other tests, to ensure all sensors meet or exceed OEM specifications.
See More

Carquest Premium – Temperature Sender With Gauge and Harness (Part No.WTC1035)

Temperature Sender With Gauge and Harness

from

$31.99
Approved materials for increased durability in even the most extreme temperatures. All MotoRad Coolant Temperature Sensors are designed to meet or exceed OEM specifications at our ISO TS16949 manufacturing facilities.

Product Features:
  • 100% factory resistance calibrated to ensure precision tolerances, resulting in extremely accurate temperature for optimal performance
  • Thread Sealant and/or O-ring pre-installed on applicable sensors to ensure leak free performance
  • Brass sensor housing precision machined to meet or exceed OE thermal conductivity
  • OE precision matched thermistor position for correct output parameters
  • Extensive product testing includes salt spray, high/low temperature impact, thermal vibration, durability, static electricity, and micro tension, among other tests, to ensure all sensors meet or exceed OEM specifications.
See More

Carquest Premium – Coolant Temperature Sensor with Harness (Part No.WTC1033)

Coolant Temperature Sensor with Harness

from

$37.99
Approved materials for increased durability in even the most extreme temperatures. All MotoRad Coolant Temperature Sensors are designed to meet or exceed OEM specifications at our ISO TS16949 manufacturing facilities.

Product Features:
  • 100% factory resistance calibrated to ensure precision tolerances, resulting in extremely accurate temperature for optimal performance
  • Thread Sealant and/or O-ring pre-installed on applicable sensors to ensure leak free performance
  • Brass sensor housing precision machined to meet or exceed OE thermal conductivity
  • OE precision matched thermistor position for correct output parameters
  • Extensive product testing includes salt spray, high/low temperature impact, thermal vibration, durability, static electricity, and micro tension, among other tests, to ensure all sensors meet or exceed OEM specifications.
See More

Carquest Premium – Coolant Temperature Sensor with Thread Sealant and Washer (Part No.WTC1057)

Coolant Temperature Sensor with Thread Sealant and Washer

from

$27.99
Approved materials for increased durability in even the most extreme temperatures. All MotoRad Coolant Temperature Sensors are designed to meet or exceed OEM specifications at our ISO TS16949 manufacturing facilities.

Product Features:
  • 100% factory resistance calibrated to ensure precision tolerances, resulting in extremely accurate temperature for optimal performance
  • Thread Sealant and/or O-ring pre-installed on applicable sensors to ensure leak free performance
  • Brass sensor housing precision machined to meet or exceed OE thermal conductivity
  • OE precision matched thermistor position for correct output parameters
  • Extensive product testing includes salt spray, high/low temperature impact, thermal vibration, durability, static electricity, and micro tension, among other tests, to ensure all sensors meet or exceed OEM specifications.
See More

Carquest Premium – Coolant Temperature Sensor with Thread Sealant (Part No.WTC1028)

Coolant Temperature Sensor with Thread Sealant

from

$30.99
Approved materials for increased durability in even the most extreme temperatures. All MotoRad Coolant Temperature Sensors are designed to meet or exceed OEM specifications at our ISO TS16949 manufacturing facilities.

Product Features:
  • 100% factory resistance calibrated to ensure precision tolerances, resulting in extremely accurate temperature for optimal performance
  • Thread Sealant and/or O-ring pre-installed on applicable sensors to ensure leak free performance
  • Brass sensor housing precision machined to meet or exceed OE thermal conductivity
  • OE precision matched thermistor position for correct output parameters
  • Extensive product testing includes salt spray, high/low temperature impact, thermal vibration, durability, static electricity, and micro tension, among other tests, to ensure all sensors meet or exceed OEM specifications.
See More

NTK – Air Charge Temperature Sensor (Part No.EF0105)

Air Charge Temperature Sensor

from

$29.99
Building upon a foundation of premium full-line products established under NGK ignition and NTK oxygen sensor products, NTK’s expansion to technical sensors is part of our ongoing commitment to streamline product types and increase coverage under one premium brand: NTK, The Sensor Specialist. With over 80 years of automotive expertise, NGK’s family of automotive products are driven by extreme dedication to innovation, performance and quality. NTK is the only OE supplier with a full-line of technical sensors in the aftermarket for import and domestic vehicles. Drawing from OE experience, NTK sensors undergo extreme testing conditions that include thermal shock, vibration and OBD verification. NTK sensors are manufactured to ensure a quality that meets or exceeds OE specifications. As new vehicles incorporate connected and automated technologies, trust The Sensor Specialist for full-line market support and OE application technology.

Product Features:
  • Air Charge Temperature Sensors are designed to meet or exceed OE specifications in form, fit and function to ensure proper monitoring of air temperature entering the engine
  • NTK’s Engine Coolant Temperature Sensors are manufactured to operational performance standards to meet or exceed OE fit, form and function to ensure proper engine operating temperature.
  • Engine Coolant Temperature (ECT) Sensors measure the temperature of the coolant. The readings from the (ECT) sensor are sent back to the Engine Control Unit (ECU) to adjust the fuel injection and ignition timing.
See More

NTK – Engine Coolant Temperature Sensor (Part No.EF0173)

Engine Coolant Temperature Sensor

from

$34.99
The Engine Coolant Temperature Sensor determines the exact temperature of the engine coolant by sending an analog signal to the ECM to censure proper air/fuel ratio along with proper operation of the cooling fan(s) and temperature gauge. The Engine Coolant Temperature Sensor may be located on the cylinder head, engine block, thermostat housing or intake manifold. Reasons for replacement include: check engine light illumination, erratic or no temperature gauge operation, erratic or no cooling fan operation, and engine overheating.

Product Features:
  • OE MATCHED: Wires and probe length match OE. Mounting clip(s) included where applicable
  • FASTER RESPONSE TIME: Thermal conductive grease inside brass housing increases sensor response time
  • THE NTK DIFFERENCE: Thread sealant/o-ring installed where applicable. Thermistor placement within the housing matches OE to ensure proper output. Proper thermal conductive grease to provide accurate temperature transfer to the thermistor
See More

FAQs for Chevrolet Trailblazer Ext Coolant Temperature Sensors

What are the most popular Coolant Temperature Sensors for the Chevrolet Trailblazer Ext?

With 4 brands you can trust, our most popular Coolant Temperature Sensors for the Chevrolet Trailblazer Ext are:
Coolant Temperature Sensor
from $20.99
This product is not rated
Coolant Temperature Sensor
Coolant Temperature Sensors
Engine Coolant Temperature Sensor
from $34.99
(1)
Engine Coolant Temperature Sensor
Coolant Temperature Sensors
Engine Coolant Temperature Sensor
from $38.99
This product is not rated
Engine Coolant Temperature Sensor
Coolant Temperature Sensors

What are the best aftermarket Coolant Temperature Sensors for the Chevrolet Trailblazer Ext?

See what past customers had to say about our highest-rated Coolant Temperature Sensors for the Chevrolet Trailblazer Ext:
Engine Coolant Temperature Sensor
from $50.99
(1)
Engine Coolant Temperature Sensor
“My temp gauge on my 2014 Corvette Stingray was all over the place, then it just quit working. I installed this one and it is running exactly where it”