The 10 Best Automotive Replacement Engine Thermostats to Buy – October 2021 Review

Looking for the best Automotive Replacement Engine Thermostats?

We did 27 hours of research and testing 19 products to create this review. We believe the best Automotive Replacement Engine Thermostats doesn’t have to be the most sophisticated to be exceptional. Our product selection lives up to its promise. Many different criteria were used for this comparison to be more relevant and more precise. Now discover our comparison !

TOP 10

No. 1
Superstat Premium Thermostat
  • Premium Superstat thermostat.
  • Uses high venturi for maximum cooling capacity during high temperature, high load oepration.
  • 25% larger piston in diameter that delivers 1 1/2 the power of standard thermostats.
  • Stanless steel flange is burnished to a bright finish for stress relief and added corrosion resistance.
  • Thicker flange.
No. 2
Engine Thermostat Replace 90916-A3003, 90916-03129 Compatible with Toyota Lexus - 4Runner, Avalon, Camry, Corolla, Highlander, Matrix, RAV4, Sienna, Solara, Tacoma, Tundra, LS400, GS300, Yaris, More
  • 【1】Compatible with Toyota thermostat : 1996-2002, 2010 4Runner | 1995-2018 Avalon | 1988-2017 Camry | 1990-1993, 2000-2005 Celica | 2000-2019 Corolla | 2001-2019 Highlander | 2003-2013 Matrix | 1989, 1991-1995, 2000-2005 MR2 Spyder | 2001-2009 Prius | 2001-2018 RAV4 | 1998-2016 Sienna | 1999-2008 Solara | 1995-2016 Tacoma | 2000-2004 Tundra | 1995-1998 T100 | 2009-2015 Venza | 2007-2018 Yaris thermostat.
  • 【2】Compatible with Lexus thermostat : 1990-1991 ES250 | 1992-2003 ES300 | 2004-2006 ES330 | 2007-2017 ES350 | 1993-2005 GS300 | 2001-2005 IS300 | 1990-1997 LS400 | 1999-2003 RX300 | 2004-2006 RX330 | 2007-2015 RX350 | 2006-2008 RX400h | 2010-2014 RX450h | 1992-2000 SC300 | 1992-1997 SC400 | 2005-2006, 2011-2016 tC | 2004-2006 xB | 2004-2006 xA | 2008-2010 xD thermostat.
  • 【3】Compatible with OEM Numbers : 90916-A3003, 90916-03129, 90916-03075, 9091603075, 90916-A3002, 90916A3002 thermostat. Please check the detailed description and part numbers to confirm the compatibility before purchase.
  • 【4】Professional, high quality materials, engine thermostat must take 100% inspected and tested multiple times before the shipment. Constructed with premium materials for durability. Stainless steel mounting flange designed to properly fit and seat the thermostat in outlet casting, resulting in better performance. Direct replacement, easy installation.
  • 【5】We offer 1 Years Warranty. If you are not satisfied with this engine thermostat or if you have any question, please feel free to contact us via Amazon email, we will reply within 24 hours.
No. 3
Mishimoto MMTS-JGC-99L Racing Thermostat Compatible With Jeep Grand Cherokee 3.7L/4.7L 1999-2010
34 Reviews
Mishimoto MMTS-JGC-99L Racing Thermostat Compatible With Jeep Grand Cherokee 3.7L/4.7L 1999-2010
  • Fits multiple Chrysler applications with 3.7L PowerTech or 4.7L PowerTech
  • Lower activation temp allows coolant to flow through the engine earlier
  • Maintains lower temperatures and extends engine life
  • Mishimoto Activation: 180�F (82�C) / OEM Activation: 195�F (90.5�C)
  • Mishimoto Lifetime Warranty
No. 4
MAHLE TM46105 Engine Coolant Thermostat
  • Direct fit - exact match to original part
  • Constructed using only premium materials
  • 100% Calibrated wax elements
  • Precise temperature control to protect your engine
  • Every thermostat in a MAHLE Original box is OE
No. 5
MotoRad 2065-195 High Flow Thermostat-195 Degrees
  • Larger opening for increased coolant flow
  • Increased strength and durability
  • High grade stainless steel and copper construction
  • Meets or exceeds OEM standards
  • Fit type: Vehicle Specific
No. 6
Genuine Toyota 90916-A3003 Thermostat
362 Reviews
No. 7
ACDelco Professional 12T121D 187 Degrees Engine Coolant Thermostat with Gasket
  • Control the flow of coolant through the radiator to enable the engine to reach and maintain its normal operating temperature
  • Professional, premium aftermarket replacement engine coolant thermostat
  • Provides the performance and dependability you expect from ACDelco
  • Manufactured to meet expectations for fit, form, and function
No. 8
Edelbrock 8604 High Flow Thermostat 053 mm / 2 3/32 in. 180 Deg. High Flow Thermostat
  • High Performance Thermostat (53mm)-180 Deg
  • Fit type: Vehicle Specific
  • Made in United States
  • Package Dimensions : 6.55 L x 1.65 H x 4.25 W (inches)
No. 9
Superstat Premium Thermostat
  • Premium Superstat thermostat.
  • Uses high venturi for maximum cooling capacity during high temperature, high load oepration.
  • 25% larger piston in diameter that delivers 1 1/2 the power of standard thermostats.
  • Stanless steel flange is burnished to a bright finish for stress relief and added corrosion resistance.
  • Thicker flange.
SaleNo. 10
Mazda (L336-15-170) Thermostat and Cover
78 Reviews
Mazda (L336-15-170) Thermostat and Cover
  • Country of Origin: JAPAN
  • Fit Type: Vehicle Specific
  • Package Dimensions: 16.8 " L x 15.9 " W x 5.4 " H
  • Package Weight: 0.242 kilograms

Intro

Find out where you can get the best Automotive Replacement Engine Thermostats! Making your choice among different Automotive Replacement Engine Thermostats on the market is not always easy. It can also turn into a daunting task because of the many websites offering the same type of product. On this page, we will give you a comparison to get the best value for your money. This complete ranking provides you with a comprehensive view and allows you to pick the best Automotive Replacement Engine Thermostats. You will find a broad selection of models, brands, and prices. Whether you want to save money or find out what is the best Automotive Replacement Engine Thermostats for you, our comparison will help you make the right choice. To keep things practical and easy to understand, we created a Top 10 of the best Automotive Replacement Engine Thermostats. You won’t have to choose your products at random anymore.. On your marks! Compare! Pick your Automotive Replacement Engine Thermostats!

Our Picks

No. 1
Superstat Premium Thermostat
  • Premium Superstat thermostat.
  • Uses high venturi for maximum cooling capacity during high temperature, high load oepration.
  • 25% larger piston in diameter that delivers 1 1/2 the power of standard thermostats.
  • Stanless steel flange is burnished to a bright finish for stress relief and added corrosion resistance.
  • Thicker flange.
No. 2
Engine Thermostat Replace 90916-A3003, 90916-03129 Compatible with Toyota Lexus - 4Runner, Avalon, Camry, Corolla, Highlander, Matrix, RAV4, Sienna, Solara, Tacoma, Tundra, LS400, GS300, Yaris, More
  • 【1】Compatible with Toyota thermostat : 1996-2002, 2010 4Runner | 1995-2018 Avalon | 1988-2017 Camry | 1990-1993, 2000-2005 Celica | 2000-2019 Corolla | 2001-2019 Highlander | 2003-2013 Matrix | 1989, 1991-1995, 2000-2005 MR2 Spyder | 2001-2009 Prius | 2001-2018 RAV4 | 1998-2016 Sienna | 1999-2008 Solara | 1995-2016 Tacoma | 2000-2004 Tundra | 1995-1998 T100 | 2009-2015 Venza | 2007-2018 Yaris thermostat.
  • 【2】Compatible with Lexus thermostat : 1990-1991 ES250 | 1992-2003 ES300 | 2004-2006 ES330 | 2007-2017 ES350 | 1993-2005 GS300 | 2001-2005 IS300 | 1990-1997 LS400 | 1999-2003 RX300 | 2004-2006 RX330 | 2007-2015 RX350 | 2006-2008 RX400h | 2010-2014 RX450h | 1992-2000 SC300 | 1992-1997 SC400 | 2005-2006, 2011-2016 tC | 2004-2006 xB | 2004-2006 xA | 2008-2010 xD thermostat.
  • 【3】Compatible with OEM Numbers : 90916-A3003, 90916-03129, 90916-03075, 9091603075, 90916-A3002, 90916A3002 thermostat. Please check the detailed description and part numbers to confirm the compatibility before purchase.
  • 【4】Professional, high quality materials, engine thermostat must take 100% inspected and tested multiple times before the shipment. Constructed with premium materials for durability. Stainless steel mounting flange designed to properly fit and seat the thermostat in outlet casting, resulting in better performance. Direct replacement, easy installation.
  • 【5】We offer 1 Years Warranty. If you are not satisfied with this engine thermostat or if you have any question, please feel free to contact us via Amazon email, we will reply within 24 hours.
No. 3
Mishimoto MMTS-JGC-99L Racing Thermostat Compatible With Jeep Grand Cherokee 3.7L/4.7L 1999-2010
34 Reviews
Mishimoto MMTS-JGC-99L Racing Thermostat Compatible With Jeep Grand Cherokee 3.7L/4.7L 1999-2010
  • Fits multiple Chrysler applications with 3.7L PowerTech or 4.7L PowerTech
  • Lower activation temp allows coolant to flow through the engine earlier
  • Maintains lower temperatures and extends engine life
  • Mishimoto Activation: 180�F (82�C) / OEM Activation: 195�F (90.5�C)
  • Mishimoto Lifetime Warranty

Why you should trust us?

This guide is the result of more than 10 years of experience in researching, testing, and writing about various subject. Our team members are experts in their fields. We spent 27 hours reading all the articles we could find online and all the customer reviews on various retail websites such as Amazon, Ebay, Alibaba or Flipkart. We also found many websites that provided valuable resources such as purchasing guides and detailed information on Automotive Replacement Engine Thermostats. To help you make the best choice among the hundreds of products available, we decided to offer you a comparison in order to find the best value for your money. We searched different fields to find the best Automotive Replacement Engine Thermostats. We also looked at the best alternatives for reasonably priced and easy to use products. After we determined our main parameters, we conducted our research and tests.These parameters separate a great product from an average one:

  • Price
  • Ease of use
  • Customer reviews
  • Quality
  • Durability

Conclusion

We hope this ranking was helpful to you in choosing the Automotive Replacement Engine Thermostats that best suits you. We made it thoroughly and we will update it regularly, so that you get a real-time comparison. Our goal is to allow you to compare models and prices, to get an overview of what the market has to offer. We are here to make it easier for you and to make informed decisions. If our ranking gave you a clearer view on the different products available, feel free to let us know in the comments section. We will happily read them.

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Last update on 2021-10-23 at 13:14 / Affiliate links / Images from Amazon Product Advertising API