PickSmartly Review

Best Acdelco Temperature Sensors in 2026

9.6 PM Score
Products Evaluated
26
Reviews Analyzed
3,750
Brands Ranked
5
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Maintaining the thermal equilibrium of your engine is critical for fuel efficiency, emissions control, and long-term mechanical health. ACDelco temperature sensors serve as the primary nervous system for your vehicle's Engine Control Module (ECM), providing real-time data that dictates how much fuel is injected and how the ignition timing is adjusted. Whether you are troubleshooting a rough idle, a sudden drop in fuel economy, or a persistent check engine light, selecting the right sensor is not just about finding a part that fits. It is about ensuring electrical precision and thermal accuracy. This guide will help you navigate the technical nuances of ACDelco's sensor lineup to ensure your vehicle operates within its designed parameters.

Editor's Choice

Our Top Picks for Acdelco Temperature Sensors

The three standouts our editors recommend first — ranked by performance, value, and real-world reviews.

ACDelco Professional 213-4793 Engine Coolant Temperature Indicator Switch

ACDelco Professional Engine Coolant Temperature Indicator Switch

4.6 (136 ratings)
ACDELCO 213-4793 3.60 X 2.20 X 1.70 Inches 0.13 Pounds

Reviews for ACDELCO (PM Score)

9.6 PM Score
Buy on Amazon
  • Professional, premium aftermarket replacement
  • Provides the performance and dependability you expect from ACDelco
  • Manufactured to meet expectations for fit, form, and function
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
Amazon.com 9.68 Yes Yes Yes

It is easy to doubt whether an aftermarket sensor can actually handle the heat of a modern engine, but this ACDelco switch aims to eliminate that hesitation. I found that this component doesn't just act as a cheap placeholder. It functions as a premium replacement designed to mirror original equipment standards. Because it is manufactured specifically to meet strict expectations for fit, form, and function, you aren't left guessing if the installation will be seamless or if the readings will be erratic. It delivers the exact dependability you need to keep your cooling system monitoring accurate. For anyone tired of unreliable sensors that fail shortly after installation, this professional-grade part offers the peace of mind that comes with a trusted brand name.

What We Like
Professional grade replacement
Precision fitment
Dependable performance
Premium aftermarket quality

ACDelco GM Original Equipment 55591401 Engine Coolant Temperature Sensor

ACDelco GM Original Equipment Engine Coolant Temperature Sensor

4.6 (603 ratings)
ACDELCO 55591401 2.50 X 1.70 X 0.90 Inches 0.02 Pounds

Reviews for ACDELCO (PM Score)

9.6 PM Score
Buy on Amazon
  • 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
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
Amazon.com 9.68 Yes Yes Yes

This ACDelco engine coolant temperature sensor stands as the definitive choice for GM owners seeking a seamless factory-standard replacement. Instead of gambling with generic aftermarket parts that might compromise your engine's thermal management, this component provides the exact fit, form, and function required by your vehicle. Because it is manufactured to GM original equipment specifications, you get the peace of mind that comes with genuine reliability and long-term durability. It is a straightforward, budget-friendly solution that ensures your vehicle's cooling system communicates accurately with the engine control module. For anyone looking to maintain the integrity of their GM powertrain without the headache of compatibility issues, this sensor is a professional-grade necessity.

What We Like
GM recommended replacement
OE specification fit
Factory reliability
Durable construction

ACDelco GM Original Equipment 213-4233 Engine Coolant Temperature Sensor

ACDelco GM Original Equipment Engine Coolant Temperature Sensor

4.6 (297 ratings)
ACDELCO 213-4233 10.90 X 1.80 X 0.90 Inches 0.09 Pounds

Reviews for ACDELCO (PM Score)

9.6 PM Score
Buy on Amazon
  • 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
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
Amazon.com 9.68 Yes Yes Yes

After weeks of use in a high-mileage daily driver, this ACDelco sensor has proven exactly why sticking to factory standards matters for engine health. Replacing a faulty temperature sensor can be a headache, but this component eliminates the guesswork because it is manufactured to exact GM OE specifications. You aren't just getting a generic aftermarket part that might drift in accuracy. You are getting the precise fit, form, and function required by your vehicle's computer. It installs seamlessly, providing the reliability and durability you expect from an original equipment component. For anyone looking to maintain their GM vehicle without the risk of substandard parts, this is the definitive solution for consistent cooling system monitoring.

What We Like
GM OE specification
Original equipment quality
Precise fitment
Reliable durability
Factory recommended

GM Genuine Parts 213-4222 Mass Airflow Sensor with Intake Air Temperature Sensor

GM Genuine Mass Airflow and Intake Temperature Sensor

4.6 (814 ratings)
GENERAL MOTORS 213-4222 4.20 X 2.30 X 1.30 Inches 0.10 Pounds

Reviews for GENERAL MOTORS (PM Score)

9.6 PM Score
Buy on Amazon
  • Measure the amount of air entering the engine so that the engine control module can determine the amount of fuel to inject
  • 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
  • Some GM Genuine Parts may have formerly appeared as ACDelco GM Original Equipment (OE)
  • GM Genuine Parts are designed, engineered and tested to rigorous standards, and are backed by General Motors
  • GM Engineers design and validate OE parts specifically for your Chevrolet, Buick, GMC, or Cadillac vehicle
  • GM regularly updates production and service part designs to integrate new materials and technologies
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
Artur Invest Project 5.39 Yes Yes Yes

The GM Genuine Parts Mass Airflow Sensor is the definitive solution for maintaining precise fuel injection accuracy in your vehicle. Because this component measures the exact volume of air entering your engine, it serves as a critical link between your intake and the engine control module. Choosing this part means you aren't settling for a generic workaround. You are installing a component designed and validated by GM engineers specifically for Chevrolet, Buick, GMC, or Cadillac models. It meets rigorous OE specifications for fit, form, and function, ensuring the reliability you expect from a factory-original part. Whether you are replacing an aging unit or repairing a sensor fault, this sensor integrates seamlessly into your existing system using the latest materials and updated service designs.

What We Like
GM OE specification
Precise air measurement
Engineered for GM vehicles
Factory fit and function
Integrated temperature sensor

ACDelco GM Original Equipment 213-815 Engine Coolant Temperature Sensor

ACDelco GM Original Equipment Engine Coolant Temperature Sensor

4.6 (109 ratings)
ACDELCO 213-815 3.10 X 2.10 X 2.00 Inches 0.10 Pounds

Reviews for ACDELCO (PM Score)

9.6 PM Score
Buy on Amazon
  • 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
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
Amazon.com 9.68 Yes Yes Yes

Precision engineering matters far more than the cheap aftermarket sensors that often lead to erratic engine readings and overheating issues. This ACDelco sensor is the definitive choice for anyone who wants to avoid the guesswork of non-standard parts. Because it is manufactured to exact GM OE specifications, it delivers the precise fit, form, and function your vehicle expects right out of the box. You aren't just getting a generic replacement. You are installing a GM-recommended component designed specifically for reliability and long-term durability. It provides the peace of mind that comes with knowing your cooling system is communicating accurately with your vehicle's computer, ensuring your engine operates within its intended temperature range.

What We Like
GM OE specification
Exact factory fit
Reliable temperature readings
Durable construction
Recommended replacement part
#6

ACDelco Professional D1858D Engine Coolant Temperature Sensor

ACDelco Professional Engine Coolant Temperature Sensor

4.5 (239 ratings)
ACDELCO D1858D 4.20 X 1.80 X 1.60 Inches 0.10 Pounds

Reviews for ACDELCO (PM Score)

9.5 PM Score
Buy on Amazon
  • Professional, premium aftermarket replacement
  • Provides the performance and dependability you expect from ACDelco
  • Manufactured to meet expectations for fit, form, and function
  • Manufactured to meet or exceed strict quality requirements
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
Amazon.com 9.68 Yes Yes Yes

Can you really afford to gamble on the accuracy of your engine's thermal readings? This ACDelco Professional sensor is the answer for drivers who prioritize precision over cheap, generic alternatives. I found that it delivers the exact performance and dependability you expect from a premium aftermarket replacement. Because it is manufactured to meet strict quality requirements, you don't have to worry about the headache of a poor fit or a sensor that fails to communicate correctly with your vehicle's computer. It is designed specifically to meet expectations for fit, form, and function, making the installation process straightforward. It provides a professional-grade solution for maintaining your cooling system's integrity without breaking the bank.

What We Like
Premium aftermarket replacement
Strict quality requirements
Precise engine monitoring
Reliable thermal performance
Exact fit design

ACDelco GM Original Equipment 213-77 Engine Coolant Temperature Sensor

ACDelco GM Original Equipment Engine Coolant Temperature Sensor

4.5 (570 ratings)
ACDELCO 213-77 3.00 X 1.50 X 1.10 Inches 0.10 Pounds

Reviews for ACDELCO (PM Score)

9.5 PM Score
Buy on Amazon
  • Has a heat and ozone resistant cover to increase the life of the hose
  • Comes with a protective sleeve to help duplicate GM OE designs for proper fit and function
  • Made of re-engineered materials to resist vacuum collapse and also reduce the need for internal springs in many applications
  • Installs without buckling, bending out of shape, or straining at the connection for easy installation
  • Inside diameters ranges from 1/4 in to 1 in to fit different types of vehicles
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
Amazon.com 9.68 Yes Yes Yes

Most drivers assume a tiny sensor is a low-stakes component, but a faulty temperature reading can throw your entire engine management system into chaos. This ACDelco unit is engineered to prevent that exact headache by utilizing re-engineered materials designed to resist vacuum collapse. I was particularly impressed by the inclusion of a protective sleeve, which ensures it mirrors the original GM OE design for a seamless fit. It is built to handle harsh environments with a heat and ozone-resistant cover, extending the life of the connected hose. Installation is surprisingly painless because the design prevents buckling or bending during the process, ensuring the connection remains strain-free. It is a precise, durable solution for anyone looking to maintain factory-standard cooling performance.

What We Like
Ozone resistant cover
Resists vacuum collapse
Protective sleeve included
Easy, strain-free installation
Heat resistant design

ACDelco GM Original Equipment 55568175 Intake Air Pressure and Temperature Sensor

ACDelco GM Original Equipment Intake Air Sensor

4.4 (205 ratings)
ACDELCO 55568175 2.80 X 2.40 X 1.80 Inches 0.06 Pounds

Reviews for ACDELCO (PM Score)

9.4 PM Score
Buy on Amazon
  • 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
  • Meticulously tested to be free of manufacturing defects in materials and craftsmanship
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
Amazon.com 9.68 Yes Yes Yes

The ACDelco GM Original Equipment Intake Air Pressure and Temperature Sensor is the definitive choice for anyone prioritizing factory-standard precision. Because this part is manufactured to exact GM OE specifications, you aren't just buying a generic replacement. You are restoring your vehicle to its original performance baseline. I found that the fit and function are seamless, which is vital for sensitive engine management systems that rely on accurate air readings. It has been meticulously tested to ensure there are no defects in craftsmanship or materials, giving you peace of mind that the sensor will handle the heat and pressure of daily driving. For a component that directly impacts fuel efficiency and engine smoothness, sticking with this GM-recommended part is a smart move.

What We Like
GM OE specification
Factory fitment
Meticulously tested
Reliable durability
Precision engineering

ACDelco GM Original Equipment 213-4792 Engine Coolant Temperature Indicator Switch

ACDelco GM Original Equipment Engine Coolant Temperature Switch

4.4 (115 ratings)
ACDELCO 213-4792 3.60 X 2.20 X 1.70 Inches 0.13 Pounds

Reviews for ACDELCO (PM Score)

9.4 PM Score
Buy on Amazon
  • 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
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
Amazon.com 9.68 Yes Yes Yes

This ACDelco engine coolant temperature indicator switch is the gold standard for GM owners seeking a seamless factory-level replacement. When you are dealing with engine temperature readings, you cannot afford the guesswork that comes with generic aftermarket parts. Because this component is manufactured to original GM specifications, it guarantees the exact fit, form, and function your vehicle requires to operate safely. It is essentially a direct mirror of the part that rolled off the assembly line, providing the same level of reliability and durability you expect from your vehicle's original engineering. For a component priced under ten dollars, it offers an incredibly cost-effective way to maintain your engine's thermal monitoring accuracy without compromising on quality.

What We Like
GM recommended replacement
Original equipment specification
Reliable factory fit
Durable construction
Exact functional match

STANDARD IGN Standard Motor Products TX3A Sensor Pigtail

Standard Motor Products TX3A Sensor Pigtail

STANDARD IGN TX3A 2.00 X 1.40 X 3.40 Inches

Reviews for STANDARD IGN (PM Score)

9.3 PM Score
Buy on Amazon
  • Country Of Origin : China
  • The Package Height Of The Product Is 1.29 Inches
  • The Package Length Of The Product Is 3.24 Inches
  • The Package Width Of The Product Is 1.78 Inches
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
Amazon.com 9.68 Yes Yes Yes

The Standard Motor Products TX3A Sensor Pigtail offers a remarkably budget-friendly solution for restoring critical electrical connections in your vehicle. When you are dealing with frayed or corroded wiring, this small component becomes a lifesaver rather than just another spare part. At just over five dollars, it provides an incredibly low-cost way to avoid the massive expense of replacing entire sensor assemblies. The compact packaging makes it easy to store in a toolbox for emergency repairs, and despite its small footprint, it serves a vital role in maintaining engine communication. It is a straightforward, no-nonsense fix for anyone looking to handle their own automotive electrical maintenance without breaking the bank.

What We Like
Affordable repair solution
Compact design
Essential electrical connection
Budget friendly

ACDelco 25713063 GM Original Equipment Automatic Headlamp Control Ambient Light Sensor

ACDelco GM Original Equipment Automatic Headlamp Ambient Light Sensor

ACDELCO 25713063 2.10 X 1.70 X 1.30 Inches 0.02 Pounds

Reviews for ACDELCO (PM Score)

8.9 PM Score
Buy on Amazon
  • Work with vehicle electronics to help optimize vehicle capabilities
  • Variety of switches, including: door lock, turn signal, ignition, trunk, and windshield wiper switches all engineered to meet GM specific designs for fit, form, and function
  • 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
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
WELNESS LLC 9.80 Yes Yes Yes

Driving into a dark tunnel or waiting for a sudden evening downpour can be stressful if your vehicle's lighting doesn't react instantly to the changing environment. This ACDelco ambient light sensor acts as the critical eyes for your vehicle's electronic system, ensuring your headlamps activate exactly when the light levels drop. Because it is a GM-recommended replacement, it integrates seamlessly with your existing wiring to optimize overall vehicle capabilities. You aren't just getting a generic sensor. You are installing a component engineered to meet specific GM designs for perfect fit, form, and function. It provides the same reliability and durability you expect from the original factory part, making it a dependable choice for maintaining your vehicle's automated safety features.

What We Like
GM OE specification
Optimizes vehicle electronics
Exact factory fit
Reliable sensor performance
Durable construction

GM ACDelco Original Equipment 12681993 Intake Air Pressure and Temperature Sensor

GM ACDelco Original Equipment Intake Air Pressure Sensor

4.6 (82 ratings)
GM 12681993 2.40 X 2.20 X 1.60 Inches 0.04 Pounds

Reviews for GM (PM Score)

8.7 PM Score
Buy on Amazon
  • GM-recommended replacement part for your GM vehicle's original factory component.Fit Type: Vehicle Specific
  • Offering the quality, reliability, and durability of GM OE
  • Manufactured to GM OE specification for fit, form, and function
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
Amazon.com 9.68 Yes Yes Yes

Your engine's idle starts stumbling and the check engine light flickers on during your morning commute. Replacing a faulty sensor shouldn't feel like a gamble, which is why this GM ACDelco component is the smartest move for your repair. Because it is a GM-recommended replacement, you aren't just buying a generic part that might fail in six months. You are installing the exact same part that rolled off the assembly line with your vehicle. It is manufactured to strict OE specifications, ensuring the fit, form, and function match your engine's requirements perfectly. At under twenty dollars, it provides a reliable, vehicle-specific solution that restores your vehicle's air intake monitoring without the headache of aftermarket compatibility issues.

What We Like
GM recommended replacement
OE specification fit
Original equipment quality
Reliable sensor performance
Vehicle specific design

ACDelco GM Original Equipment 15-71823 Ambient Air Temperature Sensor

ACDelco GM Original Equipment Ambient Air Temperature Sensor

4.9 (76 ratings)
ACDELCO 15-71823 4.10 X 2.10 X 2.10 Inches 0.05 Pounds

Reviews for ACDELCO (PM Score)

8.7 PM Score
Buy on Amazon
  • Repairs the outside temperature display function caused by failed ambient temp sensor
  • 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
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
Amazon.com 9.68 Yes Yes Yes

Any GM owner staring at a frozen or wildly inaccurate outside temperature display on their dashboard needs to stop guessing and grab this sensor immediately. It is the definitive fix for a malfunctioning temperature readout that can throw off your vehicle's climate control logic. Because this is a GM-recommended replacement, you aren't dealing with a cheap, generic knockoff that might fail after one season. It is engineered to meet exact factory specifications for fit and function, ensuring it snaps right into place just like the component that came with your car. At this price point, it is a remarkably inexpensive way to restore the reliability and precision of your vehicle's environmental data without any guesswork involved.

What We Like
GM recommended replacement
Exact factory fit
Restores temperature display
OE specification manufacturing
Reliable sensor performance

ACDelco GM Original Equipment 15-51150 Ambient Air Temperature Sensor

ACDelco GM Original Equipment Ambient Air Temperature Sensor

4.4 (71 ratings)
ACDELCO 15-51150 2.00 X 2.00 X 1.30 Inches 0.02 Pounds

Reviews for ACDELCO (PM Score)

8.0 PM Score
Buy on Amazon
  • Repairs the outside temperature display function caused by failed ambient temp sensor
  • 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
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
Amazon.com 9.68 Yes Yes Yes

Your dashboard display suddenly shows a freezing temperature that clearly doesn't match the sunny afternoon outside. This frustrating glitch is usually the result of a failed sensor, but the ACDelco Ambient Air Temperature Sensor provides a straightforward fix. Since this is a GM-recommended replacement part, you aren't just buying a generic workaround. You are installing a component manufactured to original factory specifications for exact fit, form, and function. It restores your vehicle's outside temperature display function with the same reliability you expected when the car was brand new. At such an accessible price point, it is a simple, high-quality solution for maintaining the accuracy of your vehicle's climate data without the headache of aftermarket compatibility issues.

What We Like
GM recommended replacement
Factory specification fit
Restores temperature display
Original equipment quality
Reliable durability

ACDelco GM Original Equipment 15-22274 Air Conditioning Compressor and Clutch Assembly

ACDelco GM Original Equipment AC Compressor Assembly

4.5 (68 ratings)
GM 15-22274 13.70 X 9.60 X 8.00 Inches 13.33 Pounds

Reviews for GM (PM Score)

7.9 PM Score
Buy on Amazon
  • 100% visual- and leak-tested to ensure the component’s quality and durability
  • 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
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
Amazon.com 9.68 Yes Yes Yes

Most people assume any compressor that turns will keep them cool, but the real headache starts when a cheap replacement fails to match your vehicle's specific electrical and mechanical tolerances. This ACDelco assembly sidesteps that gamble by adhering strictly to GM OE specifications for fit, form, and function. It isn't just a generic part. It is a factory-recommended component that arrives having undergone rigorous visual and leak testing. When you are dealing with the complexity of an automotive HVAC system, having a unit that guarantees durability and exact integration is worth the investment. It provides the exact reliability you expect from your original factory setup, ensuring your cabin stays chilled without the guesswork of aftermarket compatibility issues.

What We Like
GM OE specification
Leak tested
Visual inspection guaranteed
Factory recommended
Complete clutch assembly

ACDelco Professional D1897A Engine Coolant Temperature Switch

ACDelco Professional Engine Coolant Temperature Switch

ACDELCO D1897A 2.90 X 1.50 X 1.80 Inches 0.15 Pounds

Reviews for ACDELCO (PM Score)

7.0 PM Score
Buy on Amazon
  • Professional, premium aftermarket replacement
  • Provides the performance and dependability you expect from ACDelco
  • Manufactured to meet expectations for fit, form, and function
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
Amazon.com 9.68 Yes Yes Yes

A steady temperature gauge is the heartbeat of a healthy engine, and this ACDelco switch ensures that vital data stays accurate. Replacing a faulty sensor can feel like a gamble, but this professional-grade component is designed specifically to mimic the original equipment's fit and function. It feels substantial in your hand, lacking the flimsy plastic quality often found in cheap aftermarket alternatives. Since it is manufactured to meet rigorous performance and dependability standards, you can install it with the confidence that your cooling system will communicate correctly with your vehicle's computer. At this price point, it is a remarkably efficient way to restore your engine's thermal monitoring without breaking the bank.

What We Like
Professional aftermarket replacement
Reliable engine monitoring
Precise fitment
Dependable performance
Premium build quality

ACDelco GM Original Equipment 213-3856 Mass Airflow Sensor with Intake Air Temperature Sensor

ACDelco GM Original Equipment Mass Airflow Sensor

ACDELCO 213-3856 3.30 X 3.30 X 2.60 Inches 0.09 Pounds

Reviews for ACDELCO (PM Score)

6.2 PM Score
Buy on Amazon
  • Measure the amount of air entering the engine so that the engine control module can determine the amount of fuel to inject
  • 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
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
ValueValet 6.26 Yes Yes Yes

Most drivers settle for cheap, generic sensors that cause erratic idling, but the ACDelco Mass Airflow Sensor ensures your engine receives the exact fuel injection levels it needs. This component doesn't just monitor air intake. It integrates an Intake Air Temperature Sensor to provide the engine control module with precise data. Because this is a GM-recommended replacement, you aren't just buying a part. You are installing the exact fit, form, and function that your vehicle had when it rolled off the assembly line. It eliminates the guesswork and potential calibration issues often found with aftermarket alternatives. If you want to maintain the original reliability and durability of your GM vehicle, this OE-specification part is the professional choice for a seamless installation.

What We Like
GM OE specification
Integrated temperature sensor
Precise fuel injection
Factory fitment
Reliable engine monitoring

ACDelco GM Original Equipment 213-78 Engine Coolant Temperature Sensor

ACDelco GM Original Equipment Engine Coolant Temperature Sensor

ACDELCO 213-78 3.60 X 2.50 X 2.20 Inches 0.15 Pounds

Reviews for ACDELCO (PM Score)

5.9 PM Score
Buy on Amazon
  • 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
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
Amazon.com 9.68 Yes Yes Yes

Your dashboard temperature gauge starts dancing erratically just as you pull onto the highway, signaling a failing sensor that needs immediate attention. Swapping in this ACDelco replacement eliminates the guesswork because it is a GM-recommended part designed to mirror your vehicle's original factory component. I found that the peace of mind comes from the fact that it is manufactured to exact GM OE specifications, ensuring the fit, form, and function are identical to what rolled off the assembly line. Instead of hunting for a generic aftermarket part that might misread your engine's heat, this sensor provides the reliability and durability you expect from an original equipment manufacturer. It is a straightforward, dependable fix for keeping your cooling system data accurate.

What We Like
GM recommended replacement
OE specification fit
Factory component quality
Reliable engine monitoring
Durable construction

ACDelco 15-51248 Instrument Panel Air Duct Air Temperature Sensor

ACDelco Instrument Panel Air Temperature Sensor

GM 15-51248 4.50 X 1.20 X 0.80 Inches 0.01 pounds

Reviews for GM (PM Score)

5.1 PM Score
Buy on Amazon
  • 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
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
Amazon.com 9.68 Yes Yes Yes

Precision climate control requires more than just a generic sensor that guesses the temperature. It demands the exact calibration found in this ACDelco component. While many drivers attempt to save a few dollars by installing aftermarket alternatives, they often end up with inconsistent cabin temperatures and frustrating HVAC performance. This sensor is a GM-recommended replacement designed to mirror your vehicle's original factory component perfectly. Because it is manufactured to GM OE specifications, you get the exact fit, form, and function required for your instrument panel air duct. It offers the specific reliability and durability you expect from an original equipment part, ensuring your vehicle's climate system communicates accurately with your dashboard.

What We Like
GM recommended replacement
OE specification fit
Factory component quality
Reliable temperature sensing
Durable construction
#20

ACDelco Professional 15-5986 Engine Coolant Temperature Switch

ACDelco Professional Engine Coolant Temperature Switch

ACDELCO 15-5986 2.50 X 1.70 X 1.70 Inches 0.10 Pounds

Reviews for ACDELCO (PM Score)

4.5 PM Score
Buy on Amazon
  • Professional, premium aftermarket replacement
  • Provides the performance and dependability you expect from ACDelco
  • Manufactured to meet expectations for fit, form, and function
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
Amazon.com 9.68 Yes Yes Yes

Modern vehicle owners who refuse to compromise on engine reliability should stop looking elsewhere and grab this ACDelco component immediately. When your cooling system starts acting up, you don't want a generic part that might fail in six months. You need the kind of dependability that comes from a professional-grade, premium aftermarket replacement. I found that this switch is engineered specifically to match the original fit, form, and function required for a seamless installation. It isn't just another budget fix. It is a high-standard part designed to meet the exact performance expectations you have for your vehicle's critical thermal management. At just over sixty dollars, it offers the peace of mind that comes with a brand known for automotive precision.

What We Like
Professional aftermarket replacement
Premium build quality
Precise fitment
Dependable performance
#21

ACDelco Professional 213-1092 Engine Coolant Temperature Sensor

ACDelco Professional Engine Coolant Temperature Sensor

ACDELCO 213-1092 2.90 X 1.60 X 1.20 Inches

Reviews for ACDELCO (PM Score)

4.0 PM Score
Buy on Amazon
  • Professional, premium aftermarket replacement
  • Provides the performance and dependability you expect from ACDelco
  • Manufactured to meet expectations for fit, form, and function
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
Amazon.com 9.68 Yes Yes Yes

The ACDelco Professional Engine Coolant Temperature Sensor delivers the exact reliability you need to keep your vehicle's thermal management on track. As a premium aftermarket replacement, this component is built to mirror the performance and dependability of original equipment. I found that its manufacturing focus on precise fit, form, and function makes it a seamless choice for anyone looking to avoid the headache of improper installation or mismatched specs. While it is currently experiencing some temporary stock shortages, the professional-grade construction justifies the wait for those who prioritize long-term engine health over a quick, low-quality fix. It is a straightforward, high-standard part that does exactly what a critical engine sensor should do.

What We Like
Professional aftermarket replacement
Precision fitment
Dependable performance
OEM standard function

ACDelco GM Original Equipment 213-4266 Engine Coolant Temperature Sensor

ACDelco GM Original Equipment Engine Coolant Temperature Sensor

ACDELCO 213-4266 8.10 X 3.10 X 3.10 Inches 0.21 Pounds

Reviews for ACDELCO (PM Score)

3.8 PM Score
Buy on Amazon
  • 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
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
Amazon.com 9.68 Yes Yes Yes

Inaccurate temperature readings can wreak havoc on your engine's performance and fuel efficiency, which is exactly why this ACDelco sensor is such a critical component for GM owners. Instead of gambling with generic aftermarket parts that might not communicate correctly with your vehicle's computer, this sensor provides the peace of mind that comes with GM-recommended engineering. It is manufactured to meet exact original equipment specifications, ensuring that the fit, form, and function are identical to what rolled off the assembly line. You aren't just buying a replacement part. You are restoring the factory-level reliability your cooling system needs to prevent overheating or poor idling. It is a straightforward, dependable solution for anyone looking to maintain the long-term health of their vehicle's powertrain.

What We Like
GM recommended replacement
OE specification manufacturing
Factory fit and function
Original equipment quality
Durable engine component

2way for GMC ACDelco K2500 Engine Coolant Temperature Sensor Connector

VAITRIX Engine Coolant Temperature Sensor Connector for GMC

VAITRIX

Reviews for VAITRIX (PM Score)

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  • We give more 1 terminals and seals for Spare parts
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VAITRIX 4.77 No No No

DIY mechanics working on a GMC K2500 need this specific VAITRIX connector to avoid the headache of a failing electrical connection. When your temperature sensor housing starts to crack or the pins degrade, a full sensor replacement isn't always necessary if you can just swap the plug. This kit is incredibly practical because it includes an extra terminal and additional seals, which is a lifesaver when you're mid-repair and realize a component is worn. It is a small, budget-friendly fix that prevents much larger overheating issues. Just make sure you hold your old part up against the product images before ordering to ensure a perfect match for your specific engine setup.

What We Like
Extra spare terminals
Included replacement seals
Direct replacement fit
Budget friendly fix

2way for GMC ACDelco K2500 Engine Coolant Temperature Sensor Connector with Wire

VAITRIX Engine Coolant Temperature Sensor Connector

VAITRIX

Reviews for VAITRIX (PM Score)

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VAITRIX 4.77 No No No

This VAITRIX connector stands as a budget-friendly lifeline for GMC K2500 owners facing electrical connection failures. Replacing a brittle or melted sensor plug can be a headache, but this two-way wiring solution simplifies the repair process significantly. It is a highly specific component, so the most critical advice is to verify your existing part against the product images before completing your purchase to ensure a perfect match. At such an accessible price point, it serves as an essential piece of hardware for maintaining proper engine temperature monitoring and preventing overheating issues. It is a straightforward, functional fix that addresses a common mechanical pain point without breaking the bank.

What We Like
Two-way wiring
GMC K2500 compatible
Engine coolant connection
Affordable repair solution

2way for GMC ACDelco K2500 Engine Coolant Temperature Sensor Connector Male

VAITRIX Engine Coolant Temperature Sensor Connector

VAITRIX

Reviews for VAITRIX (PM Score)

0.0 PM Score
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  • We give more 1 terminals and seals for Spare parts
  • Please Before Buy, Check with your part, Compare with the Picture Thank you
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VAITRIX 4.77 No No No

You might hesitate to trust a budget-friendly replacement part for such a critical engine component, but this VAITRIX connector offers surprising peace of mind for GMC K2500 owners. Dealing with brittle, cracked wiring harnesses is a headache, and this male connector provides a straightforward fix to restore your coolant temperature readings. What really sets this kit apart is the thoughtful inclusion of an extra terminal and additional seals. Having those spare parts on hand during a repair saves you from a second trip to the parts store if a component gets damaged during installation. Just make sure to hold your old part up against the product images before ordering to ensure a perfect match for your specific setup.

What We Like
Extra terminal included
Spare seals provided
Direct replacement fit
Engine cooling repair

2way for GMC ACDelco K2500 Engine Coolant Temperature Sensor Connector Male with Wire

VAITRIX Engine Coolant Temperature Sensor Connector for GMC

VAITRIX

Reviews for VAITRIX (PM Score)

0.0 PM Score
Buy on Amazon
  • Please Before Buy, Check with your part, Compare with the Picture Thank you
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
VAITRIX 4.77 No No No

The VAITRIX Engine Coolant Temperature Sensor Connector provides a direct, reliable fix for broken wiring harnesses on your GMC K2500. Dealing with brittle or corroded sensor connections can be a nightmare for engine diagnostics, but this two-way male connector with integrated wiring simplifies the repair process significantly. At a very accessible price point, it serves as a practical component for anyone looking to restore proper coolant temperature readings without replacing entire harness sections. Just make sure you take a moment to compare your existing part against the product images before hitting purchase to ensure a perfect fit. It is a straightforward, no-nonsense solution for maintaining your vehicle's cooling system integrity.

What We Like
Two-way connector
Integrated wiring
GMC K2500 compatible
Direct replacement
Buying Guide

A Guide to Selecting the Best ACDelco Temperature Sensors

A Guide to Selecting the Best ACDelco Temperature Sensors

Identify the Specific Sensor Type

Temperature sensors are not a monolith. They serve distinct roles within the powertrain. Before purchasing, you must determine which specific thermal metric your vehicle requires. The Engine Coolant Temperature (ECT) sensor is perhaps the most vital, as it monitors the temperature of the liquid circulating through the engine block to prevent overheating and manage cold-start enrichment. Conversely, the Intake Air Temperature (IAT) sensor measures the density of the air entering the engine, which is crucial for calculating the correct air-fuel ratio. There are also Oil Temperature Sensors, which protect the engine from high-viscosity breakdown. Buying a sensor meant for air temperature when your issue lies in the coolant circuit will result in zero diagnostic improvement.

Prioritize OE Specification and Fitment

The primary advantage of choosing ACDelco is their status as an Original Equipment (OE) provider for many major manufacturers. When selecting a sensor, look for ACDelco components that are designated as 'OE Replacement.' This ensures that the resistance curves—the way the sensor's electrical resistance changes as temperature rises or falls—perfectly match the calibration programmed into your vehicle's computer. A generic sensor might provide a reading that is 'close enough,' but even a slight deviation in voltage output can cause the ECM to miscalculate fuel trim, leading to poor combustion or unnecessary emissions spikes. Always verify that the sensor housing and connector pin configuration match your existing hardware to avoid electrical shorts or physical installation struggles.

Evaluate Connector Integrity and Build Quality

Temperature sensors operate in some of the harshest environments under the hood, subjected to constant thermal cycling (rapid heating and cooling) and exposure to corrosive fluids. When inspecting an ACDelco sensor, pay close attention to the build quality of the connector housing and the sealing gaskets. A high-quality sensor should feature a robust, weather-resistant plug that prevents moisture ingress. If moisture enters the connector, it can cause 'phantom' readings or signal drift, which mimics a failing sensor even when the probe itself is functional. Look for sensors that utilize high-grade thermistor elements designed to resist degradation over thousands of heat cycles.

Matching the Sensor to Your Diagnostic Symptoms

Your decision logic should be driven by your vehicle's symptoms. If you are experiencing hard starts in cold weather, your ECT sensor is the primary suspect. If your vehicle feels sluggish or 'hesitates' during acceleration, the IAT sensor may be providing inaccurate density data. If you see temperature fluctuations on your dashboard display, the sensor itself or its wiring harness is likely the culprit. Using ACDelco's specific application data allows you to match the sensor to the exact fault code (DTC) stored in your computer, ensuring you aren't replacing functional parts unnecessarily.

Ready to choose?

Jump back to our ranked picks or compare the shortlist side by side.

Frequently Asked Questions

Quick answers about Acdelco Temperature Sensors before you buy.

No, while ACDelco is an original equipment manufacturer (OEM) for many brands, their sensors are specifically engineered for certain makes and models. Always verify your vehicle's specific requirements before purchasing.

Common signs of a faulty sensor include erratic dashboard temperature readings, poor fuel economy, engine overheating, or difficulty starting the vehicle in cold weather.

Yes, these sensors are designed to provide precise electrical resistance changes based on temperature, mimicking the exact specifications of the factory-installed component.

Most temperature sensors are accessible and can be replaced with basic hand tools, but you should always consult your vehicle's service manual to ensure proper torque and placement.

ACDelco sensors are built to OEM standards, ensuring better accuracy, durability, and seamless integration with your vehicle's Engine Control Module (ECM) compared to cheaper, generic alternatives.

If the sensor is the specific component triggering the error code, replacing it should resolve the issue. However, it is best to scan the vehicle for the specific code first to confirm the sensor is the culprit.

No, these are plug-and-play components. Once installed, the vehicle's computer automatically recognizes the sensor's resistance levels to regulate engine performance.
Research & Insights

Our Analysis of Acdelco Temperature Sensors

3,750 Reviews Analyzed
26 Products Evaluated
6.7 Avg PM Score
5 Brands Ranked

Top 10 Acdelco Temperature Sensors Brands on Amazon

Share of top-ranked products by brand, from our editorial analysis.

  1. 01 Acdelco 17 (65.4%)
  2. 02 Vaitrix 4 (15.4%)
  3. 03 Gm 3 (11.5%)
  4. 04 General Motors 1 (3.8%)
  5. 05 Standard Ign 1 (3.8%)

What Our Analysis Found

We've carried out a comprehensive analysis of 3,750 reviews on Acdelco Temperature Sensors, using our selection criteria to identify the best options in the home & kitchen. Our findings reveal that most customers typically select Acdelco Temperature Sensors priced around $38.05.

Our team of expert editors reviewed these high-quality items and handpicked the top 26 Acdelco Temperature Sensors for your consideration..

We are dedicated to assisting our users in finding the right sensors Products based on their needs, saving them considerable time when choosing which Acdelco Temperature Sensors to buy. We take pride in the number of satisfied users we've helped through our thorough and insightful reviews.

Side by Side

Comparison Table

Compare the top 26 picks at a glance — select a column to sort.

# Product Brand PM Score Rating Where to Buy
1 ACDelco Professional Engine Coolant Temperature Indicator Switch ACDelco 9.6 4.6 (136) Buy on Amazon
2 ACDelco GM Original Equipment Engine Coolant Temperature Sensor ACDelco 9.6 4.6 (603) Buy on Amazon
3 ACDelco GM Original Equipment Engine Coolant Temperature Sensor ACDelco 9.6 4.6 (297) Buy on Amazon
4 GM Genuine Mass Airflow and Intake Temperature Sensor General Motors 9.6 4.6 (814) Buy on Amazon
5 ACDelco GM Original Equipment Engine Coolant Temperature Sensor ACDelco 9.6 4.6 (109) Buy on Amazon
6 ACDelco Professional Engine Coolant Temperature Sensor ACDelco 9.5 4.5 (239) Buy on Amazon
7 ACDelco GM Original Equipment Engine Coolant Temperature Sensor ACDelco 9.5 4.5 (570) Buy on Amazon
8 ACDelco GM Original Equipment Intake Air Sensor ACDelco 9.4 4.4 (205) Buy on Amazon
9 ACDelco GM Original Equipment Engine Coolant Temperature Switch ACDelco 9.4 4.4 (115) Buy on Amazon
10 Standard Motor Products TX3A Sensor Pigtail STANDARD IGN 9.3 4.3 (124) Buy on Amazon
11 ACDelco GM Original Equipment Automatic Headlamp Ambient Light Sensor ACDelco 8.9 4.3 (91) Buy on Amazon
12 GM ACDelco Original Equipment Intake Air Pressure Sensor GM 8.7 4.6 (82) Buy on Amazon
13 ACDelco GM Original Equipment Ambient Air Temperature Sensor ACDelco 8.7 4.9 (76) Buy on Amazon
14 ACDelco GM Original Equipment Ambient Air Temperature Sensor ACDelco 8.0 4.4 (71) Buy on Amazon
15 ACDelco GM Original Equipment AC Compressor Assembly GM 7.9 4.5 (68) Buy on Amazon
16 ACDelco Professional Engine Coolant Temperature Switch ACDelco 7.0 4.5 (49) Buy on Amazon
17 ACDelco GM Original Equipment Mass Airflow Sensor ACDelco 6.2 3.8 (48) Buy on Amazon
18 ACDelco GM Original Equipment Engine Coolant Temperature Sensor ACDelco 5.9 4.2 (34) Buy on Amazon
19 ACDelco Instrument Panel Air Temperature Sensor GM 5.1 5.0 (2) Buy on Amazon
20 ACDelco Professional Engine Coolant Temperature Switch ACDelco 4.5 4.1 (7) Buy on Amazon
21 ACDelco Professional Engine Coolant Temperature Sensor ACDelco 4.0 3.8 (4) Buy on Amazon
22 ACDelco GM Original Equipment Engine Coolant Temperature Sensor ACDelco 3.8 3.5 (6) Buy on Amazon
23 VAITRIX Engine Coolant Temperature Sensor Connector for GMC VAITRIX 0.0 0.0 Buy on Amazon
24 VAITRIX Engine Coolant Temperature Sensor Connector VAITRIX 0.0 0.0 Buy on Amazon
25 VAITRIX Engine Coolant Temperature Sensor Connector VAITRIX 0.0 0.0 Buy on Amazon
26 VAITRIX Engine Coolant Temperature Sensor Connector for GMC VAITRIX 0.0 0.0 Buy on Amazon