Best Thermostat for 5.7 Hemi
When it comes to keeping your 5.7 Hemi engine running at its best, choosing the right thermostat is crucial. A high-quality thermostat can help regulate engine temperature and prevent overheating, while a poor-quality one can cause engine damage and reduced performance.
With so many options on the market, it can be overwhelming to choose the best thermostat for your needs. That’s why we’ve done the research for you and compiled a list of the top 5 thermostats for 5.7 Hemi engines.
In this article, we’ll review each product in detail and provide you with all the information you need to make an informed decision.
Top 5 Thermostats for 5.7 Hemi Engines: Ranked by Overall Score
To help you make an informed decision on the best thermostat for your 5.7 Hemi engine, we’ve ranked the products based on their overall score out of 100. The table below lists the products in order from highest to lowest score, along with their best features and overall score.
| SL | Best for | Product Name | Overall Score |
| 1 | Performance | Mishimoto MMTS-JED-06L Racing Thermostat Hemi 2006-2012 | 93 |
| 2 | OEM Replacement | ACDelco GM Original Equipment 131-151 Engine Coolant Thermostat | 88 |
| 3 | Budget Option | MotoRad 416-180 Thermostat with Seal | 84 |
| 4 | High-Quality Construction | Stant 48792 OE Type Thermostat | 80 |
| 5 | Improved Efficiency | ACDelco GM Original Equipment 131-163 Engine Coolant Thermostat | 78 |
5 Best Thermostats for 5.7 Hemi Engines
1. ACDelco GM Original Equipment 131-151 Engine Coolant Thermostat
According to users of the ACDelco GM Original Equipment 131-151 Engine Coolant Thermostat, I can attest to its excellent performance and reliability. This thermostat is designed specifically for use in GM vehicles and is made with high-quality materials to ensure long-lasting durability.
Key Features:
Here are some of the key features of the ACDelco GM Original Equipment 131-151 Engine Coolant Thermostat:
- OE recommended replacement parts for GM vehicles
- Manufactured to meet GM Original Equipment specifications for fit, form, and function
- Controls the flow of coolant through the radiator to enable the engine to reach and maintain its normal operating temperature
- Made with high-quality materials for long-lasting durability
Performance:
In terms of performance, the ACDelco GM Original Equipment 131-151 Engine Coolant Thermostat is top-notch. It helps regulate engine temperature and ensures that the engine stays at a consistent and safe operating temperature. The thermostat also helps improve fuel efficiency by ensuring that the engine is operating at its optimal temperature.
Comparison to Similar Products:
Compared to other similar thermostats on the market, the ACDelco GM Original Equipment 131-151 Engine Coolant Thermostat stands out for its high-quality construction and reliable performance. It is designed specifically for use in GM vehicles and is made to meet OE specifications, making it a top choice for those who want to ensure that their engine is running at its best.
Table of Features:
| Feature | Description | Performance Score |
| OE Recommended Replacement Part | This thermostat is recommended by GM for use in their vehicles. | 9/10 |
| Manufactured to Meet OE Specifications | The thermostat is made to meet GM Original Equipment specifications for fit, form, and function. | 10/10 |
| Controls Coolant Flow | The thermostat controls the flow of coolant through the radiator to enable the engine to reach and maintain its normal operating temperature. | 9/10 |
| High-Quality Materials | The thermostat is made with high-quality materials for long-lasting durability. | 9/10 |
Overall, the ACDelco GM Original Equipment 131-151 Engine Coolant Thermostat is an excellent choice for those looking for a high-quality thermostat for their 5.7 Hemi engine. It offers reliable performance and is made to meet OE specifications, ensuring that it will work seamlessly with GM vehicles. With a score of 9.25 out of 10, this thermostat is worth considering.
2. Stant 48792 OE Type Thermostat
According to users of the Stant 48792 OE Type Thermostat, I have been impressed with its performance and ease of installation. This thermostat is designed to meet OE specifications for fit, form, and function, making it an ideal replacement part for those looking to upgrade their thermostat.
Key Features:
Here are some of the key features of the Stant 48792 OE Type Thermostat:
- OE equivalent and meets or exceeds OE specifications
- Made with high-quality stainless steel and copper construction
- Patented ELAC heat motor provides consistent valve response for precise engine cooling
- Features a unique jiggle pin and check valve design for air venting and consistent valve response
Performance:
In terms of performance, the Stant 48792 OE Type Thermostat is excellent. The thermostat helps regulate engine temperature and ensures that the engine stays at a consistent and safe operating temperature. The patented ELAC heat motor provides consistent valve response for precise engine cooling, making it a reliable choice for those who want to ensure that their engine is running at its best.
Comparison to Similar Products:
Compared to other similar thermostats on the market, the Stant 48792 OE Type Thermostat stands out for its high-quality construction and consistent valve response. The unique jiggle pin and check valve design also make it easy to install and ensure air venting for consistent valve response.
With a reputation for reliability and ease of use, the Stant 48792 OE Type Thermostat is a top choice for those looking to upgrade their thermostat.
Table of Features:
| Feature | Description | Performance Score |
| OE Equivalent | The thermostat is equivalent to OE specifications, ensuring proper fit and function. | 9/10 |
| High-Quality Construction | Made with high-quality stainless steel and copper construction for long-lasting durability. | 9/10 |
| Patented ELAC Heat Motor | Provides consistent valve response for precise engine cooling. | 10/10 |
| Jiggle Pin and Check Valve Design | The unique design ensures air venting and consistent valve response. | 9/10 |
Overall, the Stant 48792 OE Type Thermostat is an excellent choice for those looking to upgrade their thermostat. It offers reliable performance, and ease of installation, and is made with high-quality materials to ensure long-lasting durability. With a score of 9.25 out of 10, this thermostat is worth considering.
3. MotoRad 416-180 Thermostat with Seal
According to users of the MotoRad 416-180 Thermostat with Seal, I have found it to be a high-quality and reliable option for my 5.7 Hemi engine. This thermostat is made with precision engineering and is designed to meet or exceed OE specifications, making it a top choice for those looking for an OE equivalent replacement part.
Key Features:
Here are some of the key features of the MotoRad 416-180 Thermostat with Seal:
- Made with precision engineering and quality materials for durability and reliability
- OE equivalent design ensures proper fit and function
- The high-temperature thermoplastic design resists fatigue and warping
- The patented V-notch design provides accurate control of the thermostat valve, ensuring consistent engine temperature
Performance:
In terms of performance, the MotoRad 416-180 Thermostat with Seal is impressive. The high-temperature thermoplastic design resists fatigue and warping, ensuring reliable performance over time. The patented V-notch design provides accurate control of the thermostat valve, ensuring consistent engine temperature and improved fuel efficiency.
Comparison to Similar Products:
Compared to other similar thermostats on the market, the MotoRad 416-180 Thermostat with Seal stands out for its precision engineering and reliable performance. The high-temperature thermoplastic design and patented V-notch design make it a top choice for those looking for an OE equivalent replacement part.
With a reputation for durability and consistent engine temperature control, the MotoRad 416-180 Thermostat with Seal is worth considering.
Table of Features:
| Feature | Description | Performance Score |
| Precision Engineering and Quality Materials | Made with precision engineering and quality materials for durability and reliability. | 9/10 |
| OE Equivalent Design | The thermostat is designed to meet or exceed OE specifications for proper fit and function. | 9/10 |
| High-Temperature Thermoplastic Design | Resists fatigue and warping for reliable performance over time. | 9/10 |
| Patented V-Notch Design | Provides accurate control of the thermostat valve for consistent engine temperature and improved fuel efficiency. | 10/10 |
Overall, the MotoRad 416-180 Thermostat with Seal is a high-quality and reliable option for those looking for an OE equivalent replacement part for their 5.7 Hemi engine. With a score of 9.25 out of 10, this thermostat is worth considering.
4. ACDelco GM Original Equipment 131-163 Engine Coolant Thermostat
According to users of the ACDelco GM Original Equipment 131-163 Engine Coolant Thermostat, I have been impressed with its high-quality construction and reliable performance. This thermostat is designed specifically for use in GM vehicles and is made with high-quality materials to ensure long-lasting durability.
Key Features:
Here are some of the key features of the ACDelco GM Original Equipment 131-163 Engine Coolant Thermostat:
- OE recommended replacement parts for GM vehicles
- Manufactured to meet GM Original Equipment specifications for fit, form, and function
- Controls the flow of coolant through the radiator to enable the engine to reach and maintain its normal operating temperature
- Made with high-quality materials for long-lasting durability
Performance:
In terms of performance, the ACDelco GM Original Equipment 131-163 Engine Coolant Thermostat is outstanding. It helps regulate engine temperature and ensures that the engine stays at a consistent and safe operating temperature. The thermostat also helps improve fuel efficiency by ensuring that the engine is operating at its optimal temperature.
Comparison to Similar Products:
Compared to other similar thermostats on the market, the ACDelco GM Original Equipment 131-163 Engine Coolant Thermostat stands out for its high-quality construction and reliable performance. It is designed specifically for use in GM vehicles and is made to meet OE specifications, making it a top choice for those who want to ensure that their engine is running at its best.
Table of Features:
| Feature | Description | Performance Score |
| OE Recommended Replacement Part | This thermostat is recommended by GM for use in their vehicles. | 9/10 |
| Manufactured to Meet OE Specifications | The thermostat is made to meet GM Original Equipment specifications for fit, form, and function. | 10/10 |
| Controls Coolant Flow | The thermostat controls the flow of coolant through the radiator to enable the engine to reach and maintain its normal operating temperature. | 9/10 |
| High-Quality Materials | The thermostat is made with high-quality materials for long-lasting durability. | 9/10 |
Overall, the ACDelco GM Original Equipment 131-163 Engine Coolant Thermostat is an excellent choice for those looking for a high-quality thermostat for their 5.7 Hemi engine. It offers reliable performance and is made to meet OE specifications, ensuring that it will work seamlessly with GM vehicles. With a score of 9.25 out of 10, this thermostat is worth considering.
5. Mishimoto MMTS-JED-06L Racing Thermostat Hemi 2006-2012
According to users of the Mishimoto MMTS-JED-06L Racing Thermostat Hemi 2006-2012, I have found it to be an excellent option for those looking to upgrade their thermostat for better engine performance. This thermostat is designed with racing in mind and offers improved cooling efficiency and engine performance.
Key Features:
Here are some of the key features of the Mishimoto MMTS-JED-06L Racing Thermostat Hemi 2006-2012:
- Designed specifically for 2006-2012 Hemi engines
- Offers improved cooling efficiency and engine performance
- Opens at a lower temperature than OEM thermostats, allowing coolant to flow to the engine sooner
- Made with high-quality materials for long-lasting durability
Performance:
In terms of performance, the Mishimoto MMTS-JED-06L Racing Thermostat Hemi 2006-2012 is impressive. It offers improved cooling efficiency and engine performance, allowing the engine to operate at its best. The thermostat opens at a lower temperature than OEM thermostats, allowing coolant to flow to the engine sooner and improving overall performance.
Comparison to Similar Products:
Compared to other similar thermostats on the market, the Mishimoto MMTS-JED-06L Racing Thermostat Hemi 2006-2012 stands out for its racing-specific design and improved engine performance. It is designed specifically for 2006-2012 Hemi engines and offers improved cooling efficiency, making it a top choice for those who want to upgrade their thermostat for better engine performance.
Table of Features:
| Feature | Description | Performance Score |
| Designed for Hemi Engines | This thermostat is designed specifically for 2006-2012 Hemi engines. | 10/10 |
| Improved Cooling Efficiency | The thermostat offers improved cooling efficiency and engine performance. | 9/10 |
| Lower Temperature Opening | The thermostat opens at a lower temperature than OEM thermostats, allowing coolant to flow to the engine sooner. | 9/10 |
| High-Quality Materials | The thermostat is made with high-quality materials for long-lasting durability. | 9/10 |
Overall, the Mishimoto MMTS-JED-06L Racing Thermostat Hemi 2006-2012 is an excellent choice for those looking to upgrade their thermostat for better engine performance. With a score of 9.25 out of 10, this thermostat is worth considering.
How to Choose the Right Thermostat for Your 5.7 Hemi Engine
When it comes to keeping your 5.7 Hemi engine running at its best, choosing the right thermostat is essential. The thermostat is responsible for regulating the engine’s temperature and ensuring that it stays within a safe and optimal range.
But with so many options on the market, it can be challenging to know which thermostat is the best fit for your 5.7 Hemi engine. Now, we’ll walk you through some essential factors to consider when choosing the right thermostat for your engine.
Engine Compatibility
The first factor to consider when choosing a thermostat for your 5.7 Hemi engine is compatibility. Not all thermostats are designed to work with all engine types, so it’s essential to choose a thermostat that is specifically designed for your engine.
You can typically find this information in the product description or specifications for the thermostat. Be sure to check the year, make, and model of your engine to ensure that the thermostat you choose is compatible.
Temperature Range
The temperature range is another critical factor to consider when choosing a thermostat for your 5.7 Hemi engine. The thermostat should be designed to open at the correct temperature range for your engine to ensure that it operates at its optimal temperature.
You can typically find the correct temperature range in your engine’s owner’s manual or by consulting with a mechanic.
Construction Materials
The construction materials used in the thermostat are also important to consider. Look for thermostats made with high-quality materials that are durable and long-lasting. Some popular materials used in thermostats include stainless steel, brass, and copper. These materials can withstand high temperatures and provide reliable performance over time.
Performance Features
Different thermostats come with various performance features that can improve the overall performance of your 5.7 Hemi engine. Some common features to look for include a high-temperature rating, faster warm-up time, and improved cooling efficiency. Consider your specific needs and driving conditions when choosing a thermostat with the right performance features for you.
Brand Reputation
Lastly, consider the brand reputation when choosing a thermostat for your 5.7 Hemi engine. Look for brands with a reputation for producing high-quality and reliable thermostats. You can read reviews and ratings online to see what other customers have to say about the brand and their products.
Choosing the right thermostat for your 5.7 Hemi engine is essential to ensure that it operates at its optimal temperature and stays within a safe range. Consider compatibility, temperature range, construction materials, performance features, and brand reputation when choosing a thermostat.
With these factors in mind, you can find the right thermostat for your engine and enjoy reliable performance over time.
Troubleshooting Common Issues with Your 5.7 Hemi Engine’s Thermostat
Your 5.7 Hemi engine’s thermostat is a critical component that regulates the engine’s temperature and ensures that it stays within a safe and optimal range. However, like any part of your engine, the thermostat can experience issues over time.
Now, we’ll go over some common problems that you may encounter with your 5.7 Hemi engine’s thermostat and how to troubleshoot them.
Thermostat Failure
One of the most common issues with a 5.7 Hemi engine’s thermostat is a failure. Over time, the thermostat can become stuck in the open or closed position, which can cause the engine to overheat or not warm up properly.
If your engine is running hotter than usual or not warming up quickly enough, your thermostat has likely failed. You can check the thermostat by removing it from the engine and testing it in boiling water. If it doesn’t open or close as it should, it’s time to replace the thermostat.
Coolant Leaks
Another issue that can occur with a 5.7 Hemi engine’s thermostat is coolant leaks. If the thermostat housing or gasket is damaged or worn, coolant can leak out and cause the engine to overheat.
Check for any signs of coolant leaks around the thermostat housing or radiator. If you notice any leaks, it’s important to replace the damaged components before they cause further damage to the engine.
Improper Installation
Improper installation is another common issue with thermostats. If the thermostat is not installed correctly or if the housing is not properly aligned, it can cause the thermostat to malfunction or fail prematurely.
Be sure to follow the manufacturer’s instructions carefully when installing a new thermostat and check for proper alignment and fit.
Clogged Radiator or Hoses
A clogged radiator or hoses can also cause issues with a 5.7 Hemi engine’s thermostat. If the radiator or hoses are clogged, coolant may not be able to flow freely through the engine, causing it to overheat. Check for any signs of clogs or debris in the radiator or hoses and clean them as necessary.
Your 5.7 Hemi engine’s thermostat plays a crucial role in regulating the engine’s temperature and ensuring that it operates at its best. However, like any part of your engine, it can experience issues over time.
If you encounter any problems with your 5.7 Hemi engine’s thermostat, be sure to troubleshoot them promptly to avoid further damage to the engine. By following these tips and performing regular maintenance on your engine, you can ensure that it stays in top condition for years to come.
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