There are several advantages of having a 90 degree thermostat. Let’s take you step by step, type by type, and find the best 90 degree thermostat for you.

Our review process: Show/Hide

Our Top Picks:

Best Overall: Buy: Stant 90 Degree Thermostat READ REVIEW

Best For Fast Delivery: Buy: Stant Old Thermostat READ REVIEW

Best For Great Prices: Buy: Acdelco 90 Degree Thermostat READ REVIEW

Best For Direct Replacement: Buy: Aipico 90 Degree Thermostat READ REVIEW

Best With Gms Fords: Buy: Mr. Gasket 90 Degree Thermostat READ REVIEW

Best For Customer Service: Buy: Gskmotor 90 Degree Thermostat READ REVIEW

Best For Stainless Steel: Buy: Motorad 90 Degree Thermostat READ REVIEW

Best For Exact Fit: Buy: Rein Automotive 90 Degree Thermostat READ REVIEW

Best Overall: Stant 90 Degree Thermostat

Buy on Amazon

Compared with other thermostats in this category, the Stant 90 Degree Thermostat has a design with broader appeal. The stant 90 degree thermostat is great for ambient temperature and it is made to fit well. Make sure this fits by entering your model number. In addition, the thermostat is important, is inexpensive and it works well.

The thermostat is higher and it fits perfectly. Moreover, this runs cooler and it makes for solid construction. Above all, the stant 90 degree thermostat works as expected and it is strong.

Almost all customers found that the thermostat is a perfect fit for some applications. And, they say that the thermostat fits if you want 180* temp. Moreover, a few say that the thermostat is the best thermostat available for cars. Overall, for almost all customers, Stant product was what they were looking for.

• This does the job, works as advertised and it fits perfectly.
• This fits 1979 cj7 with 4.2l.
• Uses high venturi for maximum cooling capacity during high temperature,ss high load oepration.
• This is priced right and processed/delivered promptly.

Best For Fast Delivery: Stant Old Thermostat

Buy on Amazon

Next on the list, we've got yet another thermostat that manages to win our hearts. It's the Stant Old Thermostat and it's widely considered as one of the most convenient thermostats you can buy. The old thermostat works great, feels strong, it is reliable and has a clever design. Make sure this fits by entering your model number. And, the thermostat does the job, It is built with good products and works as designed.

The thermostat is good for temperature range, fits perfectly, fits perfectly and has a quality design. Also, this is great for good quality part, is best for good fit and it looks good. Lastly, the old thermostat is good for country of origin and it is good for fast delivery.

Almost all customers agree that the thermostat is perfect in the 95 jeep Cherokee. Moreover, they strongly agree that the thermostat is rated for 195 degrees and has help up well. Moreover, they also found that the time even after being replaced with a new thermostat from autozone. Consequently, buyers were very happy to recommend it to friends and families.

• This installed easily and it is great with good fitment.
• This is a perfect fit for the 1985 4.2 inline 6.
• This maintains the temperature more efficiently.
• This runs cooler, fits great and it is built with excellent quality.

Best For Great Prices: Acdelco 90 Degree Thermostat

Buy on Amazon

Compared with other thermostats in this category, the Acdelco 90 Degree Thermostat has a convenient design. The acdelco 90 degree thermostat is manufactured to meet expectations for fit, form and function, offering high quality and great value. Make sure this fits by entering your model number. And, the thermostat works great and it is designed for good part.

Most importantly, the acdelco 90 degree thermostat works as expected and it is great for superior quality.

Most buyers agree that the thermostat is great for vehicle 2000 gmc savanna 1500 5.7. In addition, they say that the thermostat fits 4.7 liters in the astrovan. Further, they say that the thermostat fits like the original, and makes installing quicker and easier. In short, at the price, they believe that they got a steal of a deal with it.

• This does as it should and opens around 205.
• This fits perfectly for 2010 dodge ram.
• This is perfect for the '99 Chevrolet silverado 1500 4.3l.
• This fits a gm 4.3l engine and it is rated at 196 deg f temperature.

Best For Direct Replacement: Aipico 90 Degree Thermostat

Buy on Amazon

If you often find yourself scrambling for an appropriate and satisfactory thermostat, Aipico 90 Degree Thermostat is your solution. The aipico 90 degree thermostat works as intended and it is fit and perfectly. Make sure this fits by entering your model number. Also, this makes for a great replacement and it is built with great part.

Above all, the aipico 90degree thermostat is great for temperature range, fits well and it comes with a rubber gasket.

Most customers think that the thermostat is good as a factory part. Moreover, they strongly agree that the thermostat is a good replacement thermostat for a 1982 Johnson 9.9 hp. Moreover, a few say that the thermostat is a perfect fit, works great on 1960 evinrude 40 hp. In short, at the price, they believe that they got a steal of a deal with it.

• Including 1 thermostat and 2 seals.
• This is made with fast shipping and it is good for fast delivery.
• Good investment for the long term.

Best With Gms Fords: Mr. Gasket 90 Degree Thermostat

Buy on Amazon

Compared with other thermostats in this category, the mr. Gasket 90 degreethermostat has a convenient design. The Mr. gasket 90 degree thermostat is compatible with gms fords and amcs. Make sure this fits by entering your model number. Further, this works as intended, it has changed water pump and works as designed.

The thermostat is made with nice parts and it is built for high performance. Above all, the Mr. Gasket 90 Degree Thermostat is flex, is brand new, it runs much cooler and has a nice design.

Almost all customers suggest that the thermostat has the 2.10 inch outer diameter your chevy requires. And, they say that the thermostat will not work in your 67 camaro ss 350. Further, they say that this thermostat fixed the issue when the autozone thermostats could not. With no doubts, this thermostat passed the test and had very satisfied buyers eager to share their experience.

• Eliminates the damaging effects of cycling when you're stuck in stop and go traffic.
• This is super cheap, it does a good job and has a quality design.
• It takes longer to warm up to operating temps.
• Opens at 180 degrees regardless of engine rpm.

Best For Customer Service: Gskmotor 90 Degree Thermostat

Buy on Amazon

Compared with other thermostats in this category, the Gskmotor 90 Degree Thermostat has a convenient design. The gskmotor 90 degree thermostat would be perfect with excellent quality and it is good for fast delivery. Please be reminded that due to lighting effects, monitor brightness/contrast settings etc, there could be some slight differences in the colour tone of the website photo and the actual item. In addition, it is easy to install, perfect to repair or replace the olded.

Finally, the gskmotor 90degree thermostat has been around for over 20 years expercise.

• Manufacturer says: We make every effort to provide customers with satisfactory service.
• This is made from extremely high quality aluminum, surface with a beautiful shine.
• This fits for ls1, ls2, ls3, ls7, ls9, lsa, l76, l92 chevy (gm) engines.

Best For Stainless Steel: Motorad 90 Degree Thermostat

Buy on Amazon

The Motorad line of thermostats comes in a pretty wide variety of styles, so you can definitely find one that suits your individual preferences and needs. The Motorad 90 Degree Thermostat is ideal for stainless steel, it is inexpensive and has a quality design. Make sure this fits by entering your model number. And, it is durable, reliable, it is suitable for land rovers and has a precise design.

The thermostat includes a variety of high-speed assembly machines and automated calibration equipment. Finally, the motorad 90 degreethermostat can trust the high quality product used in their vehicle.

Most buyers found that the thermostat fits like oem, no issues at all.

• Original equipment design for worry-free direct fit replacement.
• Consistent and precise response to the cooling system is needed.
• High grade stainless steel and copper construction.

Best For Exact Fit: Rein Automotive 90 Degree Thermostat

Buy on Amazon

The best part: the automotive 90 degree thermostat costs comparatively low and it is available to ship in 24 hours. The Rein Automotive 90 Degree Thermostat is good for country of origin, It is suitable for land rovers and has professional design. Manufactured to strict engineering standards/specifications in materials and tolerances, ensuring the performance of your vehicle meets your expectations. These parts address known weaknesses and premature failures of factory parts.

Finally, the rein automotive 90 degree thermostat is a trusted brand of high-quality new and remanufactured power steering products for the automotive replacement market, with more than 30 years of experience in the category.

In short, at the price, they believe that they got a steal of a deal with it.

• This offers comprehensive coverage for European and Asian applications, especially late-model vehicles.
• This comes with clearly labeled packaging and it has featured housing.
• This works well for motor oil and it is perfect for exact fit.
• This is produced by the world’s largest independent lubricant manufacturer.