The 7 Best Diesel Thermostats (2022 reviews)

The look and feel of these thermostats are consistent with the high quality we're used to from the rest of Motorcraft's lineup. The Motorcraft Diesel Thermostat is very good and it is good for country of origin. Make sure this fits by entering your model number. Also, the thermostat can be cut for the right fit and it fits perfectly.

The thermostat works as intended, it has fixed overheating issues and has a quality design. Most importantly, the motorcraft diesel thermostat fits well and it works well for direct replacement.

Almost all customers agree that the thermostat includes a thermostat housing gasket on both sides of the flange instead of the old style with separate gasket that always leaked. Also, they also found that the thermostat is designed to change flow direction within the pump. And, they also found that this is the thermostat recommended for the 7.3 l diesel. It fit and worked perfectly.

Customers also found that its wise to buy a yamma diesel water pump, along with this thermostat.

Top Customer Quotes:

Fits multiple makes and models (contact seller with your vehicle for fitment compatibility information).
This allows for great fit and has a good design.
It is well worth the money.
This is upper, it works with exact match and has original equipment design.

Best For Good Quality: Acdelco Diesel Thermostat

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The Acdelco Diesel Thermostat is capable of outshining several other thermostats featured in this list in overall features for the price point. The Acdelco diesel thermostat fixed the problem, works great, it works well and works as designed. Acdelco professional, premium aftermarket thermostats and caps offer you an ideal replacement for your worn original equipment. The engine coolant thermostat controls the flow of coolant through the radiator to enable the engine to reach and maintain its normal operating temperature.

The thermostat is the true general motor original equipment parts brand, infusing a century of experience, innovation and quality into more than 90, 000 gm oe and other parts. Above all, the acdelco diesel thermostat is manufactured to meet expectations for fit, form and function, offering high quality and great value.

Almost all customers opine that the thermostat is made in Japan, not China. And, they strongly agree that the thermostat works in 2015 chevrolet duramax. And, a few also found that this thermostat is one of a kind and meant for the 66 duramax along with a second one as well, the 131. To sum up, many have used the acdelco diesel thermostat for more than a few months without any complaints, and it shows no sign of giving up.

Top Customer Quotes:

This is packaged in an Ac delco package and both performed well.
Gm-recommended replacement part for your gm vehicle’s original factory component.
This is lower and it works perfectly.
This will suck down the coolant reservoir, so make sure it's full.

Best For Easy Replacement: Gates Diesel Thermostat

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The Gates Diesel Thermostat's material feels more premium than its price would suggest. The gates diesel thermostat is identical to the original and has a good design. Gates integrated thermostat housings ensure accurate temperature regulation and control to help engines operate more efficiently. These parts create excessive vibrations and imbalance when they are failing, stressing the fan pulley bracket.

The thermostat is installed easily and it is sturdy. Above all, the gates diesel thermostat is good for good quality and it is good for fast delivery.

Most buyers found that the thermostat fits 2007 ram 2500 slt crew cab with 5.9 l cummins. Moreover, they strongly agree that the thermostat is that there is no writing on the themostat to tell what the temperature. is. In addition, they also found that the thermostat is used for regular coolant change. To sum up, for most customers, it was most suitable.

Few customers got small diesel engine water pump, along with the thermostat.

Why We Like This:

This provides for easy replacement, It is designed for good parts and has a quality design.
The positive piston heat motor provides accurate temperature control.
This is made with inferior construction and inconsistent crimping.
This features all-in-one solutions, simple bolt-on solutions, easy, one-step installation and requires no special tools.

Best For Lifetime Warranty: Mishimoto Diesel Thermostat

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The Mishimoto Diesel Thermostat might be a relatively new release, but it's still nothing short of impressive this year. The mishimoto dieselthermostat is installed well and it allows for a great fit. This thermostat is designed as a direct-fit replacement for your aged factory unit. Moreover, this can result in engine overheating and potential internal damage.

The thermostat works great, allows for temp control and it comes with direct fit. In addition, the thermostat is perfect for great quality, is lower and it comes with a rubber gasket. Lastly, the Mishimoto diesel thermostat is not provided, Mishimoto engineers have designed racing thermostats to fit with the stock thermostat housing.

Almost all buyers found that the thermostat is very well made and reliable. Moreover, a few strongly agree that the thermostat is a perfect fit on 05 f250 sd 6.0 diesel. In short, buyers found this to be one of the best thermostats for daily purposes.

Why We Like This:

Direct fit for the 2003-2007 6.0l powerstroke.
185�f compared to the factory thermostat at 192�f.
This is ideal for use in warmer climates or under extreme towing/driving conditions.
This allows engine temperatures to rise before coolant begins to flow, ideal for cooler climates.

Best For Great Price: Atvworks Diesel Thermostat

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If you often find yourself confused about the appropriate and satisfactory thermostat, Atvworks Diesel Thermostat should be your first option for buying. The ATVWORKS diesel thermostat will ship fast & free using the United States postal service only. Make sure this fits by entering your model number. Further, it is built to Kawasaki standards. Most importantly, the atvworks dieselthermostat would be perfect with fast shipping and it is great for a great price.

Therefore, customers were very happy to recommend it to friends and families.

Customers say that buying a small diesel engine water pump, with this thermostat made their life much easier.

Why We Like This:

New aftermarket parts: thermostat 49054-1068 & gasket 11060-1959.
Fits diesel only mules (look at product description for complete list of fittings).
Good brand reputation.

Best With Following Vehicles: Mopar Diesel Thermostat

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The Mopar Diesel Thermostat is suitable and reliable and fits well with your daily needs. Make sure this fits by entering your model number. Further, the thermostat is compatible with the following vehicles. When it comes to searching for a reliable thermostat, the mopar diesel thermostat is definitely your first choice.

Why We Like This:

Good brand reputation.
Good investment for the long term.

Best For Stainless Steel: Jinauxicon Diesel Thermostat

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If you often find yourself scrambling for an appropriate and satisfactory thermostat, Jinauxicon Diesel Thermostat is your solution. The jinauxicon diesel thermostat is good for premium quality and it has powerful function. Please check your vehicle 's year, the model of your car and the part number of the product before buying. In addition, the thermostat can remove the stainless steel spring frame of the channel structure has high strength and durability, thereby prolonging the service life of the product.

The thermostat is made of high-quality ingredients. Furthermore, the thermostat comes with a a 60 powerstroke diesel. Above all, the jinauxicon diesel thermostat has replaced part number and it is fitment.

Customers also discovered that its wise to buy a engine diesel water pump, along with this thermostat.

Why We Like This:

month warranty period to provide you with a worry-free shopping experience.
This comes with part numbers and it is great for direct replacement.
This has passed strict quality testing before shipping and meets or exceeds the oem standards.
It is easy to install, which can save you time.