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The 8 Best automotive water temperature switches of 2025

Are you trying to find automotive water temperature switches among various brands on the market but aren’t sure where to begin? To assist you in finding the right one, we’ve put together a list of the 7 best to help you pick the perfect one!

We investigated and evaluated a number of the top-selling automotive water temperature switches on the market in order to create our list of the best. Making a decision among the many options available is never simple. There are an infinite number of models available, each with a distinct price. And as you’ll find out, the best options aren’t usually the ones you imagine! This comparison is rich and relevant because of the numerous factors that were employed. You will find products featured in this ranking not only based on their pricing but also on their features and other customers reviews. To write this review, we completed 23 hours of research and did 24 automotive water temperature switches tests. You won’t need to pick products at random any more. If you’re unsure of what to look for, browse our list and consult the buying guide!

An overview of our top picks

Table of contents

The best automotive water temperature switches you can buy today

No. 1
Fan Temperature Switch 200 to 185 Degree Electric Engine Cooling Fan Thermostat Temp Sensor Switch with 3/8' Pipe Thread for 10' 12' 14' 16' Fan
105 Consomer Reviews
Fan Temperature Switch 200 to 185 Degree Electric Engine Cooling Fan Thermostat Temp Sensor Switch with 3/8" Pipe Thread for 10" 12" 14" 16" Fan
  • This electric fan thermostat switch activates your fan when the temperature reaches 200 degrees and turns off at approximately 185 degrees. Perfect fits for any of 10, 12, 14, and 16 inch fans including dual fans
  • The cooling fan switch is compatible for 265 283 305 307 327 350 383 400 396 402 427 454 472 502 260 289 302 351W 347 352 360 390 406 427 428 429 460 351C 351M 400M 273 318 340 360 361 383 400 413 426W 440 455 330 326 engines
  • 3/8" pipe thread. 200-185 degree electric fan temperature relay switch kit for your cooling system
  • Electric fan temp switch made of durable aluminum, ensure maximum strength and durability for long lasting usage
  • Please carefully check your vehicle model before purchase. If you have any problems with the fan thermostat temperature switch please reach out to us anytime
SaleNo. 2
Allstar Performance ALL99057 235 Degree Water Temperature Switch with 1/2 NPT Thread
  • Water temperature switch has 1/2 npt threads and features a 235 degree setting
  • Item Package Dimension: 4.33L x 3.5W x 0.7H inches
  • Item Package Weight - 0.02 Pounds
  • Item Package Quantity - 1
  • Product Type - ELECTRONIC SWITCH
SaleNo. 3
Quickcar Racing Products 61-748 Water Temperature Switch
  • Package Dimensions: 3.12 H x 7.46 L x 4.22 W (inches)
  • Country of Origin : China
  • Fit type: Vehicle Specific
  • Package Weight: 2.65 pounds
No. 4
Fan Thermostat Temperature Switch 3/8" 185 Degree On 170 Degree Off Electric Cooling Engine Fan Thermostat for 10" 12" 14" 16" Fan
  • This cooling fan fan thermostat temperature switch activates your fan when the temperature reaches 185 degrees and turns off at approximately 175 degrees. Perfect fits for any of 10, 12, 14, and 16 inch fans including dual fans
  • Compatible for 265 283 305 307 327 350 383 400 396 402 427 454 472 502 260 289 302 351W 347 352 360 390 406 427 428 429 460 351C 351M 400M 273 318 340 360 361 383 400 413 426W 440 455 330 326 engines
  • 170-185 degree electric fan thermostat relay switch kit for your cooling system, It is a NPT 3/8" thread
  • Electric fan switch temp switch made of durable aluminum, ensure maximum strength and durability for long lasting usage
  • Please carefully check your vehicle model before purchase. If you have any problems with the fan thermostat temperature switch please reach out to us anytime
No. 5
QuickCar Racing Products 61-740 Water Temperature Warning Light Sender
  • Package Dimensions: 1.0 H x 5.75 L x 4.0 W (inches)
  • Country of Origin : United States
  • Fit type: Vehicle Specific
  • Package Weight: 0.144 pounds
No. 6
NewYall Engine Coolant Cooling Water Temperature Temp Sensor Switch Connector Plug Pigtail Wire for Toyota 4Runner Avalon Camry Celica CHR Corolla FJ Cruiser Highlander Land Cruiser Tacoma Tundra
  • For Lexus CT200h 2011-2017, ES250 1990-1991, ES300 1992-2003, ES300h 2013-2018, ES330 2004-2006, ES350 2007-2018, GS F 2016-2020, GS200t 2016-2017, GS300 1993-1997 2006 2018-2019, GS350 2007-2015, GS450h 2007-2018, GS460 2008-2011, GX460 2010-2023, GX470 2005-2009, HS250h 2010-2012, IS F 2008-2014, IS200t 2016-2017, IS250 2006-2015, IS300 2016-2023, IS350 2006-2017, IS500 2022-2023
  • For Lexus LC500 2018-2023, LS400 1990-1997, LS460 2007-2017, LS500 2018-2023, LS600h 2008-2016, LX450 1996-1997, LX470 1998-2000 2006-2007, LX570 2008-2021, NX200t 2015-2017, NX300 2018-2021, NX300h 2015-2021, NX350 2022-2023
  • For Lexus RC F 2015-2023, RC Turbo 2017, RC200t 2016-2017, RC300 2016-2023, RC350 2015-2018, RX300 1999-2003, RX330 2004-2006, RX350 2007-2015 2023, RX400h 2006-2008, RX450h 2010-2015, RX500h 2023, SC300 1992-2000, SC400 1992-2000, TX350 2024, TX500h 2024
  • For Scion iM 2016, iQ 2012-2015, tC 2005-2016, xA 2006, xB 2006 2008-2015, xD 2008-2014
  • For Toyota 4Runner 1989-2023, Avalon 1995-2018, Camry 1989-2017, Celica 1989-2005, C-HR 2018-2022, Corolla 1988-1997 2003-2024, Corolla iM 2017-2018, Cressida 1989-1992, Crown 2023-2024, FJ Cruiser 2007-2014, Grand Highlander 2024, Highlander 2001-2019 2023-2024, Land Cruiser 1989-2000 2006-2011 2013-2021
  • For Toyota Matrix 2003-2013, Mirai 2016-2020, MR2 1989-1995, MR2 Spyder 2000-2005, Paseo 1992-1997, Pickup 1989-1995, Previa 1991-1997, Prius 2001-2022, Prius AWD-e 2019-2022, Prius C 2012-2019, Prius Plug-In 2012-2015, Prius Prime 2017-2022, Prius V 2012-2017
  • For Toyota RAV4 1996-2018, Sequoia 2005-2022, Sienna 1998-2016, Solara 1999-2008, Supra 1989-1998, T100 1993-1998, Tacoma 1995-2023, Tercel 1990-1997, Tundra 2000-2021, Van 1989, Venza 2009-2015, Yaris 2007-2018
No. 7
OTUAYAUTO Radiator Coolant Fan Switch Water Temperature Sensor - Replacement for 1992-2002 Honda Accord, 92-01 Civic, 97-06 CR-V, 95-04 Odyssey, 1998-2003 Acura CL,1995-2003 TL, OEM# 37760-P00-003
  • [Fitment For]: Replacement for Honda: 1992-2005 Accord, 1992-2005 Civic, 1997-2006 CR-V, 1995-2004 Odyssey, 2000-2005 Insight, 2000-2003 S2000. Replacement for Acura: 1997-2003 CL, 2002-2005 RSX, 1995-2003 TL, 2004-2005 TSX. To find more detailed vehicle model information, please check the pictures below. Please enter your vehicle information in the top left corner of the listing before ordering
  • [Replaces OEM]: 37760-P00-004, 37760-PLZ-E01, 5-86202-839-0, GTR274, 37760-P00-003, 37760-PHM-004A 37760P00003, TS295, TS295T, 37760PHM004A, TS197, TMS295, GEGT7610-437, TU197, 100GE437GT113R, 37760-PLZ-E01, 5-86202-840-0, PEJ 100110, PEJ 100120, PEJ100110, PEJ100120, 5862028390, 37773-PLZ-E01 37773PLZE01, 37760P00004, 37760PHM004, 37760-PHM-004, TS-295, 37760P00-003. Please check the compatibility OEM Part Number before purchase
  • [Specifications]: 1x Radiator Coolant Fan Switch for OE replacement, 1x O-ring seal, 100% factory tested to ensure reliability and durability
  • [Examinatio]: Please carefully check the connector and plug on our pictures make sure they are same as your old part before your purchase. Because this part cause Compatibility problem and return issue more than other parts
  • [Service]: If there are any quality problems with the product you receive, please contact us for a refund or exchange
No. 8
American Volt Automotive Engine Radiator in-Line Hose Fitting Adapter Water Temperature Thermostat Sensor Electric Fan Switch Kit (44mm, 210'F On - 195'F Off)
  • Radiator in-hose fitting and 1/8" NPT thermostat switch.
  • Fittings are sized by the outside diameter raised lip edge.
  • Switch closes at the turn-on temperature and grounds fan.
  • Fitting mounts inside the hose line and grounds to chassis.
  • Can measure all liquids including water, coolant and oil.
No. 9
X AUTOHAUX Universal Automotive Radiator Engine Cooling Fan Temperature Thermostat Sensor Switch 1/4" NPT 180 Degree on 165 Degree Off
  • Application: Electric cooling fan temperature sensor switch used for measuring the temperature of any liquid such as water, motor oil and coolant.
  • Universal Fit: fit for most engine blocks, radiators, manifold or water outlets.
  • Thread Size: 1/4" NPT; Top of Threads to Tip Length: 3.4cm / 1.34".
  • Fan On Temperature (Fahrenheit): 180 Degree; Fan Off Temperature (Fahrenheit): 165 Degree.
  • Note: Please carefully confirm the product specification before purchasing.
No. 10
Electric Cooling Fan Thermostat Switch with 3/8" Pipe Thread, 185 to 175 Degree Fan Thermostat Temperature Switch, Automotive Engine Radiator Temp Sensor Switch for 10" 12" 14" 16" Fan
  • 【Compatibility】:This electric fan thermostat switch fits most vehicle engines, including 260 289 302 351W 347 352 360 390 406 427 428 429 460 351C 351M 400M 265 283 305 307 327 350 383 400 396 402 427 454 472 502 273 318 340 360 361 383 400 413 426W 440 455 330 326 Engine.
  • 【Function】:This fan thermostat temperature switch kit is used to turn on the radiator fan when the coolant temperature reaches185 degrees and turn off the radiator fan when the coolant temperature drops below 175. Suitable for 10, 12, 14, and 16 inch fans, including dual fans.
  • 【Specifications】:Includes 1 x 185/175 degree electric fan thermostat relay switch, size approx: 2.24 inches, thread size: 3/8 inches, come with hex nut, suitable for most vehicle cooling systems.
  • 【High-Quality Material】:This AC fan switch radiator is made of high-quality copper material, sturdy, rust and corrosion resistant, ensuring maximum strength and wear resistance for long service life.
  • 【Easy to Install】:This 3/8 inch NPT fan thermostat temperature switch is easy to install, you just need to turn off the engine first, wait for the water in the engine radiator to cool down to room temperature, then replace the new cooling fan temperature switch on it.
SaleNo. 11
QZTYTY Radiator Coolant Fan Switch, Water Temperature Sensor, 37760-P00-003/004 Engine Temp Sensor, Compatible with Honda Civic CR-V Element Acura MDX TSX
  • [Excellent performance] : The water temperature sensor for car is made of durable material, after fine technology and rigorous testing, can maintain long-term stable performance, not easy to damage and rust, providing a good experience
  • [Part number] : The cooling fan switch replaces OEM #37760-P00-003, 37760P00003, 37760-P00-004, 37760P00004, 37760PLZE01, 37760PHM004A, 37773PT3A01, 5862028390, 7610437, TS295, GTR274, TS295T, TS197, TMS295, GEGT7610-437, TU197
  • [Fitment] : The coolant temp sensor fit for Honda Civic 1.5L 1992-1995, for Civic 1.7L 2001-2005, for Accord 3.0L 1998-2005, for CR-V 2.0L 1997-2001, for Insight all 2000-2005; fit for Acura CL 2.3L 1998-1999, for Integra 1.8L 1994-2001, for RSX 2.0L 2002-2005, for TL 2.5L 1995-1998
  • [Main function] : The water coolant temperature sensor is mainly used to help the engine to maintain a proper temperature during operation, to avoid the problem that the thermometer does not work or flameout, and the driving is more comfortable and safe
  • [Direct replacement] : This cooling fan switch automotive is made based on the original part data, and is suitable for replacing old sensors. Please check shape, size, compatibility and part number carefully before purchasing
No. 12
American Volt 32-248'F Dial Adjustable Electric Radiator Cooling Fan Thermostat Controller Switch Universal 12 Volt Water Coolant Temperature Hose Probe Kit for Automotive Cars Trucks RVs
  • Dial adjustable electric radiator fan thermostat controller temperature sensor.
  • Probe measures liquid or contact temperature and passes power to the fan.
  • Flexible turn on-off temperature control range of 32-248'F degrees or 0-120'C.
  • 3-pin allows thermostat to be wired as normally open or normally closed circuit.
  • Probe is mounted between the radiator fins or inside radiator or oil cooler hose.
SaleNo. 13
X AUTOHAUX Universal Automotive Radiator Engine Cooling Fan Temperature Thermo Sensor Switch 1/8" NPT 210 Degree on 195 Degree Off
  • Application: Electric cooling fan temperature sensor switch used for measuring the temperature of any liquid such as water, motor oil and coolant.
  • Universal Fit: fit for most engine blocks, radiators, manifold or water outlets.
  • Thread Size: 1/8" NPT
  • Fan On Temperature Fahrenheit: 210 Degree, Fan Off Temperature Fahrenheit: 195 Degree.
  • Note: Please carefully confirm the product specification before purchasing.
No. 14
American Volt Automotive Engine Radiator in-Line Water Hose End Fitting Adapter 1/8" Inch NPT 12 Volt Electric Fan Grounding Thermostat Temperature Switch Kit (1 Inch, 190'F On - 175'F Off)
  • Radiator hose line fitting and 1/8 Inch NPT thermostat temp switch.
  • Switch grounds electric fans at the selected turn-on temperature.
  • Measured by the outside diameter of the raised lip on the fitting.
  • Aluminum fitting mounts on the radiator or oil cooler hose line.
  • Universal for any car, truck, ATV or other automotive project.
No. 15
BREADEEP Universal 2"/52mm Water Temperature Gauge 100-250℉ Water Temp Gauge Kit DC12V with LED Light Indicator Display and Sensor for Ship Car Truck Vehicle Automotive Boat Marine (White Pointer)
  • 【High Quality】The water temperature gauge is made of ABS plastic and stainless steel, with a wear-resistant, scratch resistant, corrosion resistant, and oxidation resistant outer shell, which is durable and has a long service life.
  • 【Parameter】Power: 12V DC, Measurement Range: 100-250 Fahrenheit. Sensor mounting thread: 1/8" NPT. High sensitivity and easy operation. Diameter 2 "52mm automotive universal water temperature gauge.
  • 【Easily Display at Night】Our Water Temp Gauge is highly visible with a Light,easy viewing at all angles during any lighting conditions,practically and safely when driving at night
  • 【Wide Compatibility】The universal water temp gauge thermometer for Car, SUV, Truck, Vehicle, Automotive, Motorcycles, Tractors etc. The measurement unit of this Water Thermometer Kit is Fahrenheit, More convenient for everyone's needs.
  • 【Packet Include 】Our gauge includes water temp gauge, cable, sensors and installation. When you Encounter any questions about the product, You can contact me as soon as possible, and we will answer it for you.
No. 16
WATERWICH Water Temperature Gauge Water Temp Thermometer Meter Kit 104-302℉ DC12V 2inch 52mm with Sensor for Car Marine Truck Vehicle Automotive
  • 1.Easily display at night:Our Water Temp Gauge is highly visible with a BLUE Light,easy viewing at all angles during any lighting conditions,practically and safely when driving at night
  • 2.WATERWICH WaterTemperature Gauge Reads Vehicle's Coolant Temperature Levels from 104 ℉ to 302 ℉ Fahrenheit,Electric instruments provide quick and accurate readings,The warning lamp above 212 ℉will light up
  • 3.Easy installation and direct replacement:Our gauge includes electric wire,temp sensor and installation, Comes with the Temp Sensor Can Fit it Well,Temp sensor mounting thread: NPT 1/8“
  • 4.Wide Compatibility: The universal digital water temp gauge thermometer for Car,SUV,Truck,Vehicle Automotive etc. The measurement unit of this Water Thermometer Kit is Fahrenheit,we also have Celsius gauge! You can view this ASIN:B0819DSLN5
  • 5.Power supply: DC (10-15V) 12V,Diameter 2 "52mm automobile universal digital water temperature gauge,and this gauge is only used to measure water temperature! temperature readings from this devices are inanimate objects, The measured temperature for humans or animals will not be correct
No. 17
X AUTOHAUX Universal Automotive Radiator Engine Cooling Fan Temperature Thermo Sensor Switch 1/8" NPT 160 Degree on 145 Degree Off
  • Application: Electric cooling fan temperature sensor switch used for measuring the temperature of any liquid such as water, motor oil and coolant.
  • Universal Fit: fit for most engine blocks, radiators, manifold or water outlets.
  • Thread Size: 1/8" NPT
  • Fan On Temperature Fahrenheit: 160 Degree, Fan Off Temperature Fahrenheit: 145 Degree.
  • Note: Please carefully confirm the product specification before purchasing.
No. 18
X AUTOHAUX Universal Automotive Radiator Engine Cooling Fan Temperature Thermo Sensor Switch 1/8" NPT 150 Degree on 135 Degree Off
  • Application: Electric cooling fan temperature sensor switch used for measuring the temperature of any liquid such as water, motor oil and coolant.
  • Universal Fit: fit for most engine blocks, radiators, manifold or water outlets.
  • Thread Size: 1/8" NPT
  • Fan On Temperature Fahrenheit: 150 Degree, Fan Off Temperature Fahrenheit: 135 Degree.
  • Note: Please carefully confirm the product specification before purchasing.
No. 19
Anxingo 3/8" 185 Degree On 170 Degree Off Electric Cooling Fan Thermostat Temperature Switch Engine Radiator for 10" 12" 14" 16" Fan
  • This is a 3/8" NPT pipe thread. It activates your fan when the temperature reaches 185 degrees and turns off at approximately 170 degrees.
  • Replacement for 265 283 305 307 327 350 383 400 396 402 427 454 472 502 260 289 302 351W 347 352 360 390 406 427 428 429 460 351C 351M 400M 273 318 340 360 361 383 400 413 426W 440 455 330 326 engines.
  • This item is perfect for any of our 10, 12, 14, and 16 inch fans, including dual fans.
  • Electric fan switch temp switch made of high quality aluminum, anti-corrosion and durable, ensure maximum strength and durability for long lasting usage.
  • Package includes: 1 pcs x 3/8" NPT Fan Thermostat Temperature Switch.
No. 20
ZHSYMX Universal 52mm Water Temperature Gauge with Alarm and 1/8 Npt Sensor Car Digital Meter Red Display Green Ambient Light Temp 100-300F(38-150C)
  • 【HIGH ACCURACY】: Measurement range is 100-300F(38-150C),Sensor mounting thread: NPT 1/ 8 ",Power: 12V,24V DC, Max. 0.3A.
  • 【SMARTER INTERFACE】: The Digital Gauges include new technological features that make them easier to use. Two buttons on the faceplate deliver programmability for peak/recall, standard or metric center LED readout and sweeping LED needle, and user-selectable threshold warnings.
  • 【EASIER TO MOUNT】: Despite the larger display, Gauges are contained in a standard 2-1/16th-inch (52mm) diameter housing for mounting in a standard gauge pod. Thanks to an advanced single board design, X-Series Gauges have an incredibly slim overall depth of under 18.8mm This shallow cup depth allows Gauges to be mounted practically anywhere.
  • 【EASIER TO READ】: Visual improvements include a bright center LED display that is 87% larger than our original digital gauges and provides better readability. A sweeping green LED “needle” lines the edge of the gauge face for quick reference. A 33% overall increase in the gauge face display makes it easier to see at a glance.
  • 【QUALITY SERVICE】: We Value Your Shopping Experience And Strive To Offer A High-Quality Product And Service.When You Encounter Any Questions About The Product, You Can Contact Me As Soon As Possible, And I Will Answer It For You.

How to choose a good automotive water temperature switches

Does the idea of finding a fantastic automotive water temperature switches make you anxious? When it comes to purchasing this product, specifically when deciding which model to select, has your head been spinning between options? You are not alone if that is the case. We are aware of the pressure involved in the purchasing process!

Your presence here indicates that you are interested in automotive water temperature switches. Before choosing which product would be the best for your needs after being inundated with information, locate a reliable source with genuine selections. You can get that information from a variety of sources, including buying guides and rating websites, word-of-mouth recommendations from friends and family, online discussion forums where users can share their own experiences, product reviews that can be found all over the internet, and YouTube channels. You can only get the right product through exhaustive analysis. But you realize that’s not always simple. In order to ease your concerns, we have taken the time to develop a list of the top automotive water temperature switches products available right now. You might be wondering how we came up with the list. How was this buying guide developed?

First, we used our algorithms to gather as much reliable data as we could about these products. To verify all the data gathered, we used both artificial intelligence and a lot of algorithms.
Then, our experts used criteria that are recognized in the business to evaluate them according to their quality to price ratio, allowing us to choose the top automotive water temperature switches on the market right now!

The selection of the goods is not arbitrary. Before creating a list, we take into account a number of factors. Below are some of the criteria discussed:

Brand Value: What happens if you choose a dubious brand just because it appears to be a good deal? So the likelihood of receiving a product with a short shelf life increases. That is due to the fact that well-known brands have a reputation to uphold, while others do not. Top automotive water temperature switches brands strive to provide some distinctive traits that set them apart from the competition. So, hopefully one or more of the items on our list will be perfect for you.

Features: Useful features are all you need, not tons of them. We consider the important aspects and select the top automotive water temperature switches based on those.

Specifications: Numbers always help you measure the quality of a product in a quantitative way. We try to find products with higher specifications, but with the right balance.

Quality: A product’s quality may always be quantified with the aid of numbers. We look for goods with better standards that strike the proper balance. The best quality product that gets highly appreciated and recommended by experienced users.

Customer ratings:  Would it be accurate to suggest that the automotive water temperature switches were used by hundreds of customers before you? Superior ratings indicate that many customers had better service.

Customer Reviews: Like ratings,  provide you with accurate and reliable information about the product from genuine customers. Customer ratings are very important to all of us because they contain accurate and reliable information about the customer service we received from several hundred customers.

Seller Rank: This is very intriguing! Not only do you need a good automotive water temperature switches, you also need a product with rising sales that is trendy. It accomplishes two goals. First, the expanding user base proves the quality of the product. Second, given that number, producers must be able to offer greater quality and after-sales support.

Value: You get what you pay for, they say, so consider the value. Cheap isn’t always good and expensive isn’t always bad. However, that does not imply that spending a lot of money on a product that is flashy but underwhelming is a good idea. Before adding them to the list, we make an effort to evaluate how much value you can get for your money from your automotive water temperature switches.

Durability: Durability and reliability are closely related concepts. You will benefit from a strong and long-lasting automotive water temperature switches for months and years to come.

Product availability: Products come and go, and new ones replace the old ones. Most likely, a few new features and required changes were made. What use is it to use a supposedly good product if the maker no longer supports it? We make an effort to highlight products that are current and offered by one or more trustworthy sellers, if not more.

Negative Reviews: Yes, we do take that into account as well! The goods with the majority of bad reviews are filtered out and disregarded when we choose the best-rated one on the market.

These are the standards by which we selected our automotive water temperature switches. Do we end our process there? Hell no. The most crucial fact about us that you should be aware of is that we regularly update our website with current and pertinent information. We have one more layer of filtration since we place the greatest importance on reader satisfaction. Please let us know if any product included here is incorrect, irrelevant, subpar, or simply out of date. We always value your opinions, and we’ll work hard to make any necessary corrections to our list in response to them.

Why should you believe us?

There are now thousands of possibilities for these products on Amazon, but choosing the best one can be difficult and time-consuming. And what automotive water temperature switches should you purchase in 2022?

This guide is the result of more than 10 years of experience in researching, testing and writing about many topics. Each member of our team is an authority in their area. We read every article we could find online and every consumer review on every retail website for seven hours. Additionally, we discovered a ton of websites that offered helpful resources, including buying tips and thorough information on automotive water temperature switches.