Best OE Replacement Thermostats

Looking for the best OE replacement thermostats to keep your engine cool and running smoothly? We’ve curated a list of 10 top-rated options to help you find the perfect match for your vehicle.

Keeping your engine cool is key to its performance and lifespan. A reliable thermostat ensures your car runs smoothly, no matter the weather. We’ve found the best OE replacement thermostats to help you make the right choice.

These thermostats are built to last and fit perfectly. They keep your engine at the right temperature, so you can drive with confidence.

Choosing the right thermostat can save you time and money. Our guide makes it easy to find the perfect match for your vehicle. Let’s get started!

List of Top 10 OE Replacement Thermostats

Title	Best For	Price
Gates 34198 OE Type Engine Coolant Thermostat	This Gates 34198 OE Type Engine Coolant Thermostat is perfect for car owners who want reliable engine cooling. It’s ideal for those who value precision and original equipment quality.	View on Amazon (paid link)
Gates 33915 Oe Type Engine Coolant Thermostat	This Gates 33915 OE Type Engine Coolant Thermostat is perfect for car owners who want reliable temperature control. Its sturdy metal design and accurate heat motor make it a great choice for keeping your engine running smoothly.	View on Amazon (paid link)
Dorman 902-3035HP Patented Thermostat Housing Assembly with Thermostat Compatible with Select Chrysler/Dodge Models (OE FIX)	This Dorman 902-3035HP Thermostat Housing Assembly is perfect for Chrysler and Dodge owners who want a reliable upgrade. It’s made of aluminum, so it lasts longer and works better than the original plastic part.	View on Amazon (paid link)
Gates 33008 OE Type Engine Coolant Thermostat	This Gates 33008 OE Type Engine Coolant Thermostat is perfect for car owners who need a reliable replacement part. It’s vehicle-specific, so it fits just right.	View on Amazon (paid link)
Dxuekeo Engine Coolant Thermostat Housing Assembly Compatible with Chevrolet Silverado 1500 Suburban Tahoe Replacement for GMC Sierra Yukon 2014-2020 Replaces 15-11125 12674639	This engine coolant thermostat housing assembly is perfect for vehicle owners who need a reliable replacement part. It’s ideal for fixing engine overheating or cooling issues and works with Chevrolet, GMC, and Cadillac models from 2014 to 2020.	View on Amazon (paid link)
Gates 34053 OE Type Engine Coolant Thermostat	This Gates 34053 OE Type Engine Coolant Thermostat is perfect for car owners who want a reliable and vehicle-specific solution. It’s made in the United States and fits specific vehicles perfectly.	View on Amazon (paid link)
Genuine 90916-A3003 / 90916-03129 Thermostat with Gasket \| Compatible with Lexus, Scion, Toyota \| OE 82c Temp Engine Coolant Thermostat \| USA/JAPAN	This thermostat is perfect for car owners who want reliable engine cooling. It’s ideal for Lexus, Scion, and Toyota vehicles.	View on Amazon (paid link)
Gates 34054 OE Type Engine Coolant Thermostat	This thermostat is perfect for anyone who wants a reliable replacement for their engine’s original part. It’s easy to install and works just like the factory version.	View on Amazon (paid link)
Dorman 902-033 Integrated Thermostat Housing Assembly with Sensor Compatible with Select Chevrolet Models (OE FIX)	This Dorman 902-033 Integrated Thermostat Housing Assembly is perfect for Chevrolet owners who want a durable, reliable replacement for their coolant system. It’s ideal for those seeking an upgraded, failure-resistant design that ensures a complete and long-lasting repair.	View on Amazon (paid link)
Gates 33914 OE Type Engine Coolant Thermostat	The Gates 33914 OE Type Engine Coolant Thermostat is perfect for car owners who want reliable engine performance. Its sturdy metal construction and accurate temperature control make it a great choice for keeping your vehicle running smoothly.	View on Amazon (paid link)

Detailed Reviews

Discover the top 10 OE Replacement Thermostats, handpicked for quality, performance, and value. Each product is expert-reviewed and backed by customer feedback, ensuring you find the perfect fit for your vehicle. Whether you prioritize durability, precision, or affordability, this guide simplifies your choice. Dive in to find the best thermostat to keep your engine running smoothly.

1. Gates 34198 OE Type Engine Coolant Thermostat

The Gates 34198 OE Type Engine Coolant Thermostat keeps your engine cool. It has quality-controlled factory calibration for accurate opening and closing. This ensures precise engine cooling.

It features jiggle pins for air venting and seals and gaskets like the original equipment parts. This thermostat is designed for an OEM fit, function, and design.

Pros	Cons
Factory calibration ensures accurate opening and closing. OEM fit guarantees precise engine cooling performance. Jiggle pins allow efficient air venting for better seals. Equivalent to original parts for reliable function.	No universal fit, specific to certain engines. Requires professional installation for best results. Not suitable for extreme temperature conditions.

Perfect For:

This Gates 34198 OE Type Engine Coolant Thermostat is perfect for car owners who want reliable engine cooling. It’s ideal for those who value precision and original equipment quality.

Ready to Purchase?

View Price on Amazon (paid link)

2. Gates 33915 Oe Type Engine Coolant Thermostat

The Gates 33915 is a reliable engine coolant thermostat. It keeps your engine at the right temperature. This part is built to last.

It has a positive piston heat motor. This gives accurate temperature control. The sturdy metal construction makes it durable.

Gates is driven by possibility. This product shows their commitment to quality. Trust it for your engine’s needs.

Pros	Cons
Accurate temperature control with positive piston heat motor. Sturdy metal construction ensures long-lasting durability. Gates quality delivers reliable performance every time. Driven by possibility, designed for optimal engine cooling.	No easy installation instructions included. Metal construction may corrode over time. Price higher than some alternatives.

Perfect For:

This Gates 33915 OE Type Engine Coolant Thermostat is perfect for car owners who want reliable temperature control. Its sturdy metal design and accurate heat motor make it a great choice for keeping your engine running smoothly.

Ready to Purchase?

View Price on Amazon (paid link)

3. Dorman 902-3035HP Patented Thermostat Housing Assembly with Thermostat Compatible with Select Chrysler/Dodge Models (OE FIX)

The Dorman 902-3035HP Thermostat Housing Assembly is a durable upgrade for Chrysler and Dodge vehicles. It replaces the original plastic part with strong aluminum, handling high temperatures better.

This patent-pending design boosts coolant flow and heat transfer. It’s tested by experts and backed by over a century of automotive experience.

Ensure a perfect fit by checking your vehicle details. Use the garage tool for quick verification and avoid future maintenance with this reliable upgrade.

Pros	Cons
Aluminum build beats plastic, handles heat better. Patent-pending design boosts coolant flow, maximizes heat transfer. Direct fit for Chrysler/Dodge, no guesswork needed. Reduces future repairs, saves time and money.	Not universal: Only fits specific Chrysler/Dodge models, check before buying. Pricey upgrade: Costlier than plastic alternatives, despite better durability. DIY challenge: Complex installation may require professional help.

Perfect For:

This Dorman 902-3035HP Thermostat Housing Assembly is perfect for Chrysler and Dodge owners who want a reliable upgrade. It’s made of aluminum, so it lasts longer and works better than the original plastic part.

Ready to Purchase?

View Price on Amazon (paid link)

4. Gates 33008 OE Type Engine Coolant Thermostat

The Gates 33008 OE Type Engine Coolant Thermostat is a vehicle-specific part. It comes from China.

This product is compact. Its package size is 2.55 inches high, 4.02 inches long, and 3.35 inches wide.

Pros	Cons
Vehicle-specific fit ensures perfect compatibility with your car. Compact packaging saves space during storage or transport. Made in China, offering affordable quality for your engine. Precise dimensions guarantee easy installation and reliability.	Made in China, may raise concerns about quality. Small package size might not fit all vehicle types. Vehicle-specific fit limits use to certain car models.

Perfect For:

This Gates 33008 OE Type Engine Coolant Thermostat is perfect for car owners who need a reliable replacement part. It’s vehicle-specific, so it fits just right.

Ready to Purchase?

View Price on Amazon (paid link)

5. Dxuekeo Engine Coolant Thermostat Housing Assembly Compatible with Chevrolet Silverado 1500 Suburban Tahoe Replacement for GMC Sierra Yukon 2014-2020 Replaces 15-11125 12674639

Dxuekeo Engine Coolant Thermostat Housing Assembly Compatible with Chevrolet Silverado 1500 Suburban Tahoe Replacement for GMC Sierra Yukon 2014-2020 Replaces 15-11125 12674639

Keep your engine running smoothly with the Dxuekeo Engine Coolant Thermostat Housing Assembly. It fixes common issues like overheating, underheating, and coolant leaks. This part is compatible with many popular vehicles, including Chevrolet, GMC, and Cadillac models.

The thermostat is built to last with premium materials and a stainless steel design. It meets or exceeds the performance of the original equipment. You can trust its quality and durability for your vehicle.

This is an aftermarket replacement part, not a genuine one. Always check the part number before buying to ensure it fits your vehicle.

Pros	Cons
Fixes engine issues like overheating and hiccups. Compatible with popular Chevy, GMC, and Cadillac models. Durable stainless steel design ensures long-lasting performance. Affordable aftermarket replacement for genuine parts.	Not a genuine part, it’s an aftermarket replacement. Requires careful fitment check before purchase. No warranty or guarantee mentioned.

Perfect For:

This engine coolant thermostat housing assembly is perfect for vehicle owners who need a reliable replacement part. It’s ideal for fixing engine overheating or cooling issues and works with Chevrolet, GMC, and Cadillac models from 2014 to 2020.

Ready to Purchase?

View Price on Amazon (paid link)

6. Gates 34053 OE Type Engine Coolant Thermostat

The Gates 34053 OE Type Engine Coolant Thermostat is a reliable and high-quality product. It is made in the United States, ensuring top-notch craftsmanship.

This thermostat is vehicle-specific, so it fits perfectly. Its compact size (3.188 inches by 3.188 inches by 2.438 inches) makes it easy to install. It works efficiently to regulate engine temperature.

Pros	Cons
Made in the USA, ensuring quality and reliability. Compact packaging, easy to handle and store. Vehicle-specific fit, guarantees perfect compatibility. Precise dimensions, fits seamlessly into your engine system.	Limited to specific vehicles, not a universal fit. Small package size may not meet all storage needs. No extra features, just a basic thermostat.

Perfect For:

This Gates 34053 OE Type Engine Coolant Thermostat is perfect for car owners who want a reliable and vehicle-specific solution. It’s made in the United States and fits specific vehicles perfectly.

Ready to Purchase?

View Price on Amazon (paid link)

7. Genuine 90916-A3003 / 90916-03129 Thermostat with Gasket | Compatible with Lexus, Scion, Toyota | OE 82c Temp Engine Coolant Thermostat | USA/JAPAN

Keep your Lexus, Scion, or Toyota running smoothly with this genuine OEM thermostat. It’s the real deal, part number 90916-A3003, and comes with a gasket for easy installation.

This 82°C (179.6°F) thermostat controls engine temperature, made in the USA with quality Japanese materials. It’s built to last and works perfectly with your car.

Pros	Cons
Genuine OEM part ensures perfect fit and reliable performance. USA/Japan made for top-notch quality and durability. Optimal engine temperature control for better fuel efficiency. Compatible with Lexus, Scion, Toyota for easy installation.	Limited vehicle compatibility—not for all car makes or models. Higher cost than some aftermarket thermostat options. Requires professional installation—not a DIY-friendly product.

Perfect For:

This thermostat is perfect for car owners who want reliable engine cooling. It’s ideal for Lexus, Scion, and Toyota vehicles.

Ready to Purchase?

View Price on Amazon (paid link)

8. Gates 34054 OE Type Engine Coolant Thermostat

The Gates 34054 OE Type Engine Coolant Thermostat is a perfect match for your vehicle. It fits, functions, and looks just like the original part. This thermostat is built to last.

It has special features like jiggle pins and check valves. These help with air venting and make sure your engine stays cool. The integral seals and integrated water outlet housings are just like the original equipment parts.

Some models even have ports for coolant temperature sensors. This makes it easy to monitor your engine’s temperature. Gates is a brand you can trust, always driven by possibility.

Pros	Cons
Perfect fit, exact match to your engine’s original thermostat. Built tough, with jiggle pins and check valves for smooth cooling. Seamless install, works like the factory part right out of the box. Reliable performance, keeps your engine cool and efficient.	No customization options for unique engine setups. Limited ports for coolant sensors in some models. Relies on OEM design, not for upgrades.

Perfect For:

This thermostat is perfect for anyone who wants a reliable replacement for their engine’s original part. It’s easy to install and works just like the factory version.

Ready to Purchase?

View Price on Amazon (paid link)

9. Dorman 902-033 Integrated Thermostat Housing Assembly with Sensor Compatible with Select Chevrolet Models (OE FIX)

The Dorman 902-033 Integrated Thermostat Housing Assembly is a durable upgrade for your Chevrolet. It’s made of metal to last longer than the original part. This OE FIX solution ensures a perfect fit for select models.

Its failure-resistant design prevents cracks, fixing issues in the factory version. It comes complete with all parts needed for repair, saving you time and effort.

Quality engineering backs this product, designed in the U.S. with decades of experience. Use the garage tool to confirm it fits your vehicle. It’s a reliable choice for your car’s cooling system.

Pros	Cons
Durable metal build ensures long-lasting performance. Crack-resistant design prevents common factory failures. Complete kit includes all parts for easy installation. Quality engineering backed by U.S. expertise.	Not universal – only fits select Chevrolet models, check compatibility first. Pricey upgrade – costly compared to standard replacements. Complex install – requires expertise, not a simple DIY fix.

Perfect For:

This Dorman 902-033 Integrated Thermostat Housing Assembly is perfect for Chevrolet owners who want a durable, reliable replacement for their coolant system. It’s ideal for those seeking an upgraded, failure-resistant design that ensures a complete and long-lasting repair.

Ready to Purchase?

View Price on Amazon (paid link)

10. Gates 33914 OE Type Engine Coolant Thermostat

The Gates 33914 OE Type Engine Coolant Thermostat keeps your engine at the right temperature. It uses a positive piston heat motor for accurate control. This part is built to last.

Its sturdy metal construction ensures long-lasting performance. You can trust it to handle tough conditions in your engine.

Gates is a brand driven by possibility. This thermostat shows their commitment to quality and reliable performance.

Pros	Cons
Accurate temperature control with a positive piston heat motor. Sturdy metal construction ensures long-lasting durability. Gates quality delivers reliable performance every time. Driven by possibility, designed for optimal engine cooling.	No easy installation instructions included. Metal parts may rust over time. Price is higher than some alternatives.

Perfect For:

The Gates 33914 OE Type Engine Coolant Thermostat is perfect for car owners who want reliable engine performance. Its sturdy metal construction and accurate temperature control make it a great choice for keeping your vehicle running smoothly.

Ready to Purchase?

View Price on Amazon (paid link)

Buying Guide

Choosing the right OE replacement thermostat keeps your engine cool and saves you money. Our guide makes it easy to find the perfect match for your vehicle. Let’s get started!

Factors to Consider When Buying an OE Replacement Thermostat

Compatibility:
Check your vehicle’s make and model to ensure the thermostat fits perfectly. Use a garage tool for quick verification.
Material Quality:
Look for durable materials like aluminum or stainless steel. These handle high temperatures better and last longer.
Temperature Control:
Choose a thermostat with accurate temperature control. Features like positive piston heat motors ensure your engine stays at the right temp.
Ease of Installation:
Pick a thermostat with included gaskets or seals. This makes installation quick and hassle-free.
Brand Reputation:
Trust reliable brands like Gates or Dorman. They’re known for quality and performance.
Aftermarket vs. Genuine:
Decide if you want an aftermarket replacement or a genuine OEM part. Always check the part number to avoid mistakes.
Additional Features:
Look for extras like jiggle pins, check valves, or coolant sensor ports. These improve air venting and monitoring.
Price and Value:
Balance cost and quality. A durable thermostat saves you money in the long run.

With these tips, you’ll find the best OE replacement thermostat for your vehicle. Drive with confidence!