Best OEM Coolant Thermostat Housing Assemblies

Are you looking for the best OEM coolant thermostat housing assemblies to keep your engine running smoothly? We offer a trusted selection of durable, easy-to-install assemblies designed to prevent overheating and extend your vehicle’s lifespan.

Keeping your engine cool is key to its performance and lifespan. A reliable coolant thermostat housing assembly ensures your vehicle runs smoothly, preventing overheating and costly repairs.

We’ve tested and reviewed the best OEM coolant thermostat housing assemblies to help you find the perfect fit. Easy installation, durable materials, and peace of mind are just a few benefits you’ll discover.

List of Top 10 OEM Coolant Thermostat Housing Assemblies

Image Title Best For Price
HiSport 2702000415 Engine Coolant Thermostat Housing Assembly Compatible with Mercedes-Benz CLA250, CLA45 AMG 2014-2019, GLA250 2015-2020, GLA45 AMG 2015-2019, 2702000615 2702002200 9025187 936207 HiSport 2702000415 Engine Coolant Thermostat Housing Assembly Compatible with Mercedes-Benz CLA250, CLA45 AMG 2014-2019, GLA250 2015-2020, GLA45 AMG 2015-2019, 2702000615 2702002200 9025187 936207

Perfect for Mercedes-Benz owners needing a reliable thermostat housing fix. Exact fit for CLA250, CLA45 AMG, GLA250, and GLA45 AMG models—prevents overheating, installs fast, and lasts long.

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A-Premium Upgraded Aluminum Engine Coolant Thermostat Housing Assembly with Sensor & O-ring Compatible with Chevy Cruze 11-16, Sonic 12-20, Trax 13-21 & Buick Encore 13-21, 1.4L, Replace# 55565336 A-Premium Upgraded Aluminum Engine Coolant Thermostat Housing Assembly with Sensor & O-ring Compatible with Chevy Cruze 11-16, Sonic 12-20, Trax 13-21 & Buick Encore 13-21, 1.4L, Replace# 55565336

This product is perfect for drivers of 2011-2021 Chevy Cruze, Sonic, Trax, and Buick Encore models with 1.4L engines needing a durable thermostat upgrade. It offers an exact fit, includes a sensor and O-ring, and ensures reliable heat control with a one-year warranty for peace of mind.

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Dorman 902-2090 Engine Coolant Thermostat Housing Assembly Compatible with Select Cadillac / Chevrolet / GMC Models Dorman 902-2090 Engine Coolant Thermostat Housing Assembly Compatible with Select Cadillac / Chevrolet / GMC Models

This product is perfect for Cadillac, Chevrolet, or GMC owners needing a reliable thermostat housing replacement. Durable construction ensures it handles extreme temperatures without cracking or leaking.

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Engine Coolant Thermostat Housing Assembly with Sensor Compatible with Dodge Avenger 08-14, Journey 09-20, Chrysler 200 11-14, Jeep Compass Patriot 07-17, Caliber 07-12, 2.0L 2.4L Replace 68003582AB Engine Coolant Thermostat Housing Assembly with Sensor Compatible with Dodge Avenger 08-14, Journey 09-20, Chrysler 200 11-14, Jeep Compass Patriot 07-17, Caliber 07-12, 2.0L 2.4L Replace 68003582AB

This product is perfect for Dodge Avenger, Chrysler 200, Jeep Compass, and Patriot owners needing a reliable thermostat housing. It ensures easy installation, precise cooling control, and long-term durability in 2.0L and 2.4L engines.

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A-Premium Engine Coolant Thermostat Housing Assembly with Gasket Compatible with Mercedes-Benz C230 C250 C280 C300 C350 E280 E350 ML350 ML450 R350 A-Premium Engine Coolant Thermostat Housing Assembly with Gasket Compatible with Mercedes-Benz C230 C250 C280 C300 C350 E280 E350 ML350 ML450 R350

This thermostat housing assembly is perfect for Mercedes-Benz owners who want a reliable, easy-to-install cooling system part. It fits many popular models and helps keep engines at the right temperature. If you want a durable and precise replacement with a one-year guarantee, this part is made for you.

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Engine Coolant Thermostat Housing Assembly Engine Coolant Thermostat Housing Assembly

This product is perfect for DIY car owners and quick repair shops needing reliable, hassle-free parts. Easy, one step fit and installation saves time and effort, while no special tools required makes it accessible for all skill levels. Designed to meet or exceed all OEM standards, it ensures long-lasting performance without compromise.

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A-Premium Engine Coolant Thermostat Housing Assembly with Seal Compatible with Jeep Grand Cherokee 2011-2020, Wrangler 2012-2017, Wrangler JK 2018 & Dodge Durango 2011-2015, 3.6L, Replaces# 5184651AH A-Premium Engine Coolant Thermostat Housing Assembly with Seal Compatible with Jeep Grand Cherokee 2011-2020, Wrangler 2012-2017, Wrangler JK 2018 & Dodge Durango 2011-2015, 3.6L, Replaces# 5184651AH

This product is perfect for Jeep Grand Cherokee (2011-2015), Jeep Wrangler (2012-2018), and Dodge Durango (2011-2015) owners with a 3.6L engine needing a durable thermostat housing. It offers corrosion resistance, long lifespan, and a one-year unlimited-mileage guarantee for stress-free driving.

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Upgrade Aluminium Thermostat Housing Assembly and Engine Coolant Crossover Water Outlet Pipe for Chrysler 200 Jeep Cherokee Dodge Avenger Journey Ram 1500 - Replaces 5184653AF 902-3102HP 902-3036 Upgrade Aluminium Thermostat Housing Assembly and Engine Coolant Crossover Water Outlet Pipe for Chrysler 200 Jeep Cherokee Dodge Avenger Journey Ram 1500 – Replaces 5184653AF 902-3102HP 902-3036

This product is perfect for Chrysler 200, Jeep Cherokee, Dodge Avenger, Journey, or Ram 1500 owners needing a reliable thermostat housing and coolant pipe upgrade. Its upgraded aluminium design resists cracking and leaks, offering durable, heat-resistant performance that meets OEM standards for a secure fit and long-lasting use.

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Dorman 902-852 Engine Coolant Thermostat Housing Assembly Compatible with Select Dodge / Jeep Models Dorman 902-852 Engine Coolant Thermostat Housing Assembly Compatible with Select Dodge / Jeep Models

This Dorman 902-852 Engine Coolant Thermostat Housing Assembly is perfect for car owners and mechanics who need a reliable replacement for certain Dodge and Jeep models. It works great for anyone looking to fix their engine’s cooling system with a part that is built to last and fits right the first time.

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WMPHE Engine Coolant Thermostat Housing Assembly Replacement for 256203CAA0 Compatible with 2010-2019 Kia Cadenza Sorento Sedona Hyudai Azera Sant FE XL WMPHE Engine Coolant Thermostat Housing Assembly Replacement for 256203CAA0 Compatible with 2010-2019 Kia Cadenza Sorento Sedona Hyudai Azera Sant FE XL

This thermostat housing is perfect for Kia and Hyundai owners with 2010-2019 models needing a direct replacement. It’s easy to install, built to last, and keeps engines running cool to avoid overheating.

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Detailed Reviews

Finding the perfect coolant thermostat housing assembly doesn’t have to be hard. Our top 10 picks are chosen using expert analysis and real user reviews, ensuring durable fits, precise performance, and OEM-level reliability. We break down each option in simple language, highlighting what matters most: cost, ease of install, and long-term durability. Ready to pick the ideal part for your vehicle? Your engine’s cooling system deserves the best—explore the guide now!

1. HiSport 2702000415 Engine Coolant Thermostat Housing Assembly Compatible with Mercedes-Benz CLA250, CLA45 AMG 2014-2019, GLA250 2015-2020, GLA45 AMG 2015-2019, 2702000615 2702002200 9025187 936207

HiSport 2702000415 Engine Coolant Thermostat Housing Assembly Compatible with Mercedes-Benz CLA250, CLA45 AMG 2014-2019, GLA250 2015-2020, GLA45 AMG 2015-2019, 2702000615 2702002200 9025187 936207

The HiSport 2702000415 Engine Coolant Thermostat Housing Assembly is a perfect fit for your Mercedes-Benz. It replaces multiple OEM parts, making it a versatile solution. This part is designed for specific models, ensuring a seamless replacement.

Crafted from high-quality materials, it meets OEM standards. The temperature-resistant plastic ensures durability and long-lasting performance. Rigorous testing guarantees reliable engine cooling.

With its simple installation, you’ll save time and effort. The 12-month warranty provides peace of mind. This product is a cost-effective and reliable choice for your vehicle’s cooling system.

Pros Cons
  • Ensures perfect fit with Mercedes-Benz models and OEM part numbers.
  • Durable high-grade plastic resists heat and corrosion.
  • Maintains optimal engine temperature to prevent overheating.
  • Easy bolt-on installation saves time and effort.
  • 12-month warranty provides reliable customer support.
  • No DIY kit included, tools needed for install.
  • Plastic material may feel less durable than metal.
  • Warranty limited to 12 months, shorter than some brands.

Perfect For:

Perfect for Mercedes-Benz owners needing a reliable thermostat housing fix. Exact fit for CLA250, CLA45 AMG, GLA250, and GLA45 AMG models—prevents overheating, installs fast, and lasts long.

Ready to Purchase?

2. A-Premium Upgraded Aluminum Engine Coolant Thermostat Housing Assembly with Sensor & O-ring Compatible with Chevy Cruze 11-16, Sonic 12-20, Trax 13-21 & Buick Encore 13-21, 1.4L, Replace# 55565336

A-Premium Upgraded Aluminum Engine Coolant Thermostat Housing Assembly with Sensor & O-ring Compatible with Chevy Cruze 11-16, Sonic 12-20, Trax 13-21 & Buick Encore 13-21, 1.4L, Replace# 55565336

This A-Premium Upgraded Aluminum Engine Coolant Thermostat Housing Assembly fits Chevy and Buick models with 1.4L engines. It includes a sensor, O-ring, and seals for easy installation. Designed as a direct replacement, it ensures a perfect fit and reliable performance.

The thermostat opens at 105°C to regulate engine temperature, keeping it in the optimal range. Made of aluminum and rubber, it resists wear and handles heat efficiently.

This part comes with a one-year unlimited-mileage warranty for peace of mind. It’s tested for durability and precision, ensuring long-term engine protection.

Pros Cons
  • Perfect fit for Chevy Cruze, Sonic, Trax & Buick Encore 1.4L models
  • Includes sensor & O-ring for easy installation
  • Durable aluminum build withstands high engine temperatures
  • Precise 105°C activation ensures optimal engine cooling
  • One-year unlimited mileage warranty offers peace of mind
  • Higher cost than standard thermostats
  • Potential installation difficulty without professional help
  • Thermostat temperature rating may not suit all driving conditions

Perfect For:

This product is perfect for drivers of 2011-2021 Chevy Cruze, Sonic, Trax, and Buick Encore models with 1.4L engines needing a durable thermostat upgrade. It offers an exact fit, includes a sensor and O-ring, and ensures reliable heat control with a one-year warranty for peace of mind.

Ready to Purchase?

3. Dorman 902-2090 Engine Coolant Thermostat Housing Assembly Compatible with Select Cadillac / Chevrolet / GMC Models

Dorman 902-2090 Engine Coolant Thermostat Housing Assembly Compatible with Select Cadillac / Chevrolet / GMC Models

The Dorman 902-2090 Thermostat Housing is a direct replacement for select Cadillac, Chevrolet, and GMC models. It ensures reliable performance by replacing the original water outlet with a durable, leak-resistant design.

Built to handle extreme temperatures, this part resists cracking and leaking for long-lasting use. Dorman’s industry-leading engineering and 100+ years of experience guarantee quality and fit.

Input your vehicle to check compatibility. Look for the Confirmed Fit bar and hover over the “i” for fitment details. Three simple steps to ensure it matches your car.

Pros Cons
  • Direct fit for select Cadillac, Chevrolet, GMC models.
  • Durable design resists cracking and leaking in extreme temps.
  • Trusted brand with 100+ years of automotive expertise.
  • Easy verification ensures perfect fit for your vehicle.
  • Limited vehicle compatibility – only fits specified models
  • Potential material quality concerns – may not match OEM durability
  • Requires additional fitment verification – not guaranteed without checking notes

Perfect For:

This product is perfect for Cadillac, Chevrolet, or GMC owners needing a reliable thermostat housing replacement. Durable construction ensures it handles extreme temperatures without cracking or leaking.

Ready to Purchase?

4. Engine Coolant Thermostat Housing Assembly with Sensor Compatible with Dodge Avenger 08-14, Journey 09-20, Chrysler 200 11-14, Jeep Compass Patriot 07-17, Caliber 07-12, 2.0L 2.4L Replace 68003582AB

Engine Coolant Thermostat Housing Assembly with Sensor Compatible with Dodge Avenger 08-14, Journey 09-20, Chrysler 200 11-14, Jeep Compass Patriot 07-17, Caliber 07-12, 2.0L 2.4L Replace 68003582AB

Compatible with Dodge, Chrysler, and Jeep models from 2007–2020, this thermostat housing fits 2.0L and 2.4L engines. It’s a direct replacement for OEM part 68003582AB, including seals and hardware for easy install.

Precise temperature control boosts engine performance, fuel efficiency, and lifespan. Built with durable heat-resistant material, it handles high pressure and heat without leaks or rust.

Each unit is pressure-tested to meet OEM standards. The upgraded internal flow design cuts overheating risks. Leak-free performance ensures reliable cooling for years.

Pros Cons
  • Perfect fit for many Dodge, Jeep, and Chrysler models.
  • Easy to install with all seals and hardware included.
  • Controls engine temperature for better fuel use and power.
  • Made from strong, heat-proof material that lasts long.
  • Tested to stop leaks and keep your engine cool.
  • No DIY option: Professional installation recommended for best results.
  • Limited compatibility: Not suitable for all vehicle models.
  • Pricey upgrade: Higher cost than some alternatives.

Perfect For:

This product is perfect for Dodge Avenger, Chrysler 200, Jeep Compass, and Patriot owners needing a reliable thermostat housing. It ensures easy installation, precise cooling control, and long-term durability in 2.0L and 2.4L engines.

Ready to Purchase?

5. A-Premium Engine Coolant Thermostat Housing Assembly with Gasket Compatible with Mercedes-Benz C230 C250 C280 C300 C350 E280 E350 ML350 ML450 R350

A-Premium Engine Coolant Thermostat Housing Assembly with Gasket Compatible with Mercedes-Benz C230 C250 C280 C300 C350 E280 E350 ML350 ML450 R350

The A-Premium Engine Coolant Thermostat Housing Assembly is compatible with many Mercedes-Benz models. It fits cars like the C230, C300, E350, and more. Check your vehicle’s year and model to ensure a perfect fit.

This kit includes a thermostat, gasket, housing, and sensor. It’s easy to install but requires clean pads and screw holes. Test for leaks after the first cycle.

The assembly is durable and reliable, passing strict tests for performance. It regulates engine temperature effectively. Buy with confidence—it comes with a one-year guarantee.

Pros Cons
  • Fits perfectly with many Mercedes-Benz models from 2005-2013
  • Includes thermostat, gasket, and sensor in one complete set
  • Built for strong durability with strict hardness and crush tests
  • Helps your engine stay cool and work efficiently
  • Backed by a one-year unlimited-mileage guarantee for peace of mind
  • Limited fitment only for specific Mercedes-Benz models.
  • Installation requires cleaning old pads and screw holes carefully.
  • No universal compatibility; check OEM numbers before buying.

Perfect For:

This thermostat housing assembly is perfect for Mercedes-Benz owners who want a reliable, easy-to-install cooling system part. It fits many popular models and helps keep engines at the right temperature. If you want a durable and precise replacement with a one-year guarantee, this part is made for you.

Ready to Purchase?

6. Engine Coolant Thermostat Housing Assembly

Engine Coolant Thermostat Housing Assembly

Upgrade your vehicle with the Engine Coolant Thermostat Housing Assembly. It fits easily in just one step. No need for special tools.

This part meets or exceeds all OEM standards. That means it’s built to last and work perfectly.

Installation is quick and simple. Get your engine running smoothly again today!

Pros Cons
  • Fits quickly with just one easy step.
  • No special tools needed for installation.
  • Meets or beats all OEM quality standards.
  • Saves time on repairs and maintenance.
  • Reliable design for long-lasting performance.
  • May not fit all vehicle models perfectly.
  • Plastic parts can wear faster than metal.
  • Installation errors possible without professional help.

Perfect For:

This product is perfect for DIY car owners and quick repair shops needing reliable, hassle-free parts. Easy, one step fit and installation saves time and effort, while no special tools required makes it accessible for all skill levels. Designed to meet or exceed all OEM standards, it ensures long-lasting performance without compromise.

Ready to Purchase?

7. A-Premium Engine Coolant Thermostat Housing Assembly with Seal Compatible with Jeep Grand Cherokee 2011-2020, Wrangler 2012-2017, Wrangler JK 2018 & Dodge Durango 2011-2015, 3.6L, Replaces# 5184651AH

A-Premium Engine Coolant Thermostat Housing Assembly with Seal Compatible with Jeep Grand Cherokee 2011-2020, Wrangler 2012-2017, Wrangler JK 2018 & Dodge Durango 2011-2015, 3.6L, Replaces# 5184651AH

Keep your engine running cool with the A-Premium Engine Coolant Thermostat Housing Assembly. It fits many Jeep and Dodge models from 2011 to 2020. This part ensures your vehicle stays safe from overheating.

Made with quality materials, this thermostat housing is strong and built to last. It resists corrosion and stays stable under heat. The black design with two mounting holes fits perfectly and works well.

Buy with confidence thanks to A-Premium’s one-year unlimited-mileage guarantee. This part is made to keep your engine cool and your drive smooth.

Pros Cons
  • Fits multiple Jeep and Dodge models
  • Matches OEM part numbers exactly
  • Durable, corrosion-resistant build
  • Ensures stable engine performance
  • Backed by 1-year unlimited warranty
  • Limited fitment beyond listed years/models
  • Confusing part number cross-references
  • Two-hole mount may not suit all setups

Perfect For:

This product is perfect for Jeep Grand Cherokee (2011-2015), Jeep Wrangler (2012-2018), and Dodge Durango (2011-2015) owners with a 3.6L engine needing a durable thermostat housing. It offers corrosion resistance, long lifespan, and a one-year unlimited-mileage guarantee for stress-free driving.

Ready to Purchase?

8. Upgrade Aluminium Thermostat Housing Assembly and Engine Coolant Crossover Water Outlet Pipe for Chrysler 200 Jeep Cherokee Dodge Avenger Journey Ram 1500 – Replaces 5184653AF 902-3102HP 902-3036

Upgrade Aluminium Thermostat Housing Assembly and Engine Coolant Crossover Water Outlet Pipe for Chrysler 200 Jeep Cherokee Dodge Avenger Journey Ram 1500 - Replaces 5184653AF 902-3102HP 902-3036

Upgrade your vehicle’s cooling system with this Aluminium Thermostat Housing Assembly and Coolant Crossover Water Outlet Pipe. It fits Chrysler 200, Jeep Cherokee, Dodge Avenger, Journey, and Ram 1500 models.

This part is made from tough aluminum, not plastic. It resists cracks and leaks. It fits perfectly and lasts long. It meets high-quality OEM standards.

Pros Cons
  • Stronger aluminum design stops cracks and leaks fast.
  • Built to last under high heat in your engine.
  • Tested for quality to fit perfectly every time.
  • Matches or beats original part standards for safety.
  • Easy swap with many compatible part numbers listed.
  • No installation tools included, so you’ll need to buy them separately.
  • Higher price than plastic alternatives, but worth it for durability.
  • May not fit all vehicle models, check compatibility before buying.

Perfect For:

This product is perfect for Chrysler 200, Jeep Cherokee, Dodge Avenger, Journey, or Ram 1500 owners needing a reliable thermostat housing and coolant pipe upgrade. Its upgraded aluminium design resists cracking and leaks, offering durable, heat-resistant performance that meets OEM standards for a secure fit and long-lasting use.

Ready to Purchase?

9. Dorman 902-852 Engine Coolant Thermostat Housing Assembly Compatible with Select Dodge / Jeep Models

Dorman 902-852 Engine Coolant Thermostat Housing Assembly Compatible with Select Dodge / Jeep Models

The Dorman 902-852 Thermostat Housing is an ideal replacement for your Dodge or Jeep’s original coolant thermostat housing. It ensures reliable performance and durable construction to handle extreme temperatures.

This part is built to last. Dorman’s 100+ years of expertise guarantee quality. Always verify fitment for your vehicle before buying.

Its design resists cracking and leaking, providing long-term engine protection. Use the online garage tool to confirm compatibility quickly and confidently.

Pros Cons
  • Direct fit replacement for specified Dodge/Jeep models
  • Durable build withstands extreme temperatures without cracking
  • Trusted brand with over 100 years of expertise
  • Engineered design ensures reliable performance and longevity
  • Verified fit guarantees easy installation and compatibility
  • May not fit all models without careful vehicle verification
  • Installation can be tricky for beginners without mechanic help
  • Price slightly higher than some generic alternatives

Perfect For:

This Dorman 902-852 Engine Coolant Thermostat Housing Assembly is perfect for car owners and mechanics who need a reliable replacement for certain Dodge and Jeep models. It works great for anyone looking to fix their engine’s cooling system with a part that is built to last and fits right the first time.

Ready to Purchase?

10. WMPHE Engine Coolant Thermostat Housing Assembly Replacement for 256203CAA0 Compatible with 2010-2019 Kia Cadenza Sorento Sedona Hyudai Azera Sant FE XL

WMPHE Engine Coolant Thermostat Housing Assembly Replacement for 256203CAA0 Compatible with 2010-2019 Kia Cadenza Sorento Sedona Hyudai Azera Sant FE XL

The WMPHE Engine Coolant Thermostat Housing Assembly is a direct replacement for part number 256203CAA0. It’s compatible with several Kia and Hyundai models, ensuring a perfect fit.

This thermostat kit keeps your engine cool by regulating coolant flow. It prevents overheating, ensuring stable performance. Made of high-quality plastic, it’s durable and long-lasting.

Installation is simple and straightforward. It’s a direct swap for old parts, saving time and effort. Always check compatibility before buying for peace of mind.

Pros Cons
  • Direct replacement for old parts, saves time and effort.
  • Prevents overheating by regulating coolant flow efficiently.
  • High-quality plastic ensures durability and longevity.
  • Easy installation, no hassle, peace of mind.
  • Limited vehicle compatibility; fits only specific Kia and Hyundai models
  • Made from plastic, which may not feel as durable as metal
  • Requires basic mechanical skills for installation; not fully plug-and-play

Perfect For:

This thermostat housing is perfect for Kia and Hyundai owners with 2010-2019 models needing a direct replacement. It’s easy to install, built to last, and keeps engines running cool to avoid overheating.

Ready to Purchase?

Buying Guide

Your engine needs the right parts to stay cool and strong. A great thermostat housing keeps your car running smoothly. It saves time, money, and stress in the long run.

  • Compatibility: Pick a part that fits your vehicle’s make, model, and engine size. Check the product list for exact matches to avoid leaks or poor performance.
  • Material Quality: Aluminum or high-grade plastic handles heat and pressure best. These materials resist cracks and corrosion for longer use.
  • Easy Installation: Look for kits with clear instructions and all needed seals or sensors. Direct replacements cut down on labor time and errors.
  • OEM Standards: OEM parts meet factory specs, ensuring reliability. Aftermarket upgrades often match or beat these standards for better durability.
  • Temperature Control: A thermostat that opens at the right temp (like 105°C) keeps your engine in the safe zone. This boosts fuel efficiency and reduces wear.
  • Durability: Pressure-tested parts with leak-proof designs last longer. Avoid flimsy materials that warp or break under stress.
  • Warranty: A 1-year guarantee gives peace of mind. Brands like A-Premium and Dorman back their products for worry-free driving.