Looking for the best 2.5L L4 engine thermostat housing? We’ve researched and compiled a guide to help you find the perfect match for your vehicle, making your choice easy and informed.
Keeping your engine cool is key to its performance and lifespan. A 2.5L L4 engine thermostat housing plays a vital role in this. It helps regulate coolant flow, ensuring your engine runs at the right temperature.
Finding the perfect fit for your vehicle can be tricky. With so many options, it’s easy to feel overwhelmed. But don’t worry, we’ve got you covered.
Our guide highlights the best 2.5L L4 engine thermostat housings available. We’ve done the research so you can make an informed choice with confidence. Let’s dive in and find the perfect match for your vehicle!
List of Top 10 2.5L L4 Engine Thermostat Housing
| Image | Title | Best For | Price |
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Engine Coolant Thermostat Housing Compatible With Jeep Wrangler 2.5L L4 1990 1989 1988 P-2035483 |
This engine coolant thermostat housing is perfect for Jeep Wrangler owners with a 2.5L L4 engine from 1988 to 1990. It’s a direct replacement that fits perfectly and works great. |
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BOXI 902-5174 Engine Coolant Thermostat Housing Assembly Fits for Lexus ES300h 2013 2014 2015 2016 2017 2018 for Toyota Avalon 2013-2018 Camry 2012-2017 L4 2.5L FHEV/Replaces 1603136010 86033 756180 |
This BOXI 902-5174 Engine Coolant Thermostat Housing Assembly is perfect for car owners who need a reliable replacement part. It’s ideal for Lexus ES300h, Toyota Avalon, and Toyota Camry models with 2.5L hybrid engines. |
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Engine Coolant Thermostat Housing Cover Compatible With Toyota RAV4 2.5L L4 GAS 2018 2017 2016 2015 2014 2013 2012 2011 2010 2009 P-4242023 |
This engine coolant thermostat housing cover is perfect for Toyota RAV4 owners with a 2.5L L4 GAS engine from 2009 to 2018. It’s a direct replacement that fits perfectly and works like the original part. |
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Engine Coolant Thermostat Housing Assembly – Compatible for Mazda 3 S, i 2.0L L4 – Gas, 2.5L L4 – Gas 2006-2013 – Replace Part LF941517Z, 902690 |
This Engine Coolant Thermostat Housing Assembly is perfect for Mazda owners who need a reliable replacement part. It’s easy to install and fits multiple Mazda models, ensuring your engine runs smoothly. |
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Water Pump Engine Coolant Thermostat Housing Assembly Compatible With GMC Acadia 2.5L L4 2021 2020 2019 2018 2017 P-5361307 |
This engine coolant thermostat housing assembly is perfect for GMC Acadia owners with a 2.5L L4 engine from 2017 to 2021. It’s a direct replacement that fits perfectly and works great. |
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A-Premium Engine Coolant Thermostat Housing Assembly with Seal Compatible with Toyota Camry 2012-2017, Avalon 2013-2018 & Lexus ES300h 2013-2018, 2.5L |
This A-Premium Engine Coolant Thermostat Housing Assembly is perfect for Toyota and Lexus owners who want a reliable replacement part. It’s ideal for keeping your engine at the right temperature and fits specific models like the Toyota Camry 2012-2017, Avalon 2013-2018, and Lexus ES300h 2013-2018. |
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Thermostat Housing Replace 902-306, 53006192 Compatible with Dodge Jeep 2.5L 4.0L – 1991-1995, 1997-2006 Wrangler YJ TJ, 1991-2001 Cherokee XJ, 1993-2004 Grand Cherokee ZJ WJ, 1997-2002 Dakota, More |
This thermostat housing is perfect for Dodge and Jeep owners with 2.5L or 4.0L engines. It’s ideal for fixing leaks or replacing broken parts. |
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Engine Coolant Water Outlet Thermostat Replacement for W98833 12653537 25201457 Fit for Chevrolet 2013-2014 Malibu 2.5L L4 2013-2020 for Chevrolet Malibu 2.0L L4 2014-2019 for Chevrolet Impala 2.5L L4 |
This Engine Coolant Water Outlet Thermostat Replacement is perfect for Chevrolet, Buick, and GMC owners who need a reliable and durable part to keep their vehicle’s cooling system running smoothly. It’s ideal for those with 2013-2020 models looking for a high-quality replacement that prevents overheating and ensures long-term performance. |
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Upgraded Aluminium Engine Coolant Thermostat Housing Assembly Compatible With Chevy Colorado, Malibu, S10, GMC Canyon, Buick LaCrosse, Cadillac ATS 2013-2019 2.5L – Replaces 12650241, 902-2125 |
This thermostat housing assembly is perfect for car owners who need a reliable replacement for their Chevy, GMC, Buick, or Cadillac. It’s ideal for fixing overheating, leaks, or poor heater performance in 2013-2019 models with a 2.5L engine. |
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A-Premium Engine Coolant Thermostat Housing Assembly with Gasket Compatible with Chevrolet Malibu Colorado Cadillac ATS GMC Canyon Buick LaCrosse 2.5L |
This A-Premium Engine Coolant Thermostat Housing Assembly is perfect for car owners who need a reliable replacement part for their Chevrolet, Cadillac, Buick, or GMC vehicle. It’s easy to install and ensures your engine runs smoothly at the right temperature. |
Detailed Reviews
Discover the top 10 2.5L L4 Engine Thermostat Housings, carefully selected for performance, durability, and value. Each product is expert-reviewed and backed by customer feedback, ensuring you find the perfect fit for your vehicle. Whether you prioritize reliability or affordability, this guide makes your choice simple and confident.
1. Engine Coolant Thermostat Housing Compatible With Jeep Wrangler 2.5L L4 1990 1989 1988 P-2035483

This engine coolant thermostat housing is compatible with Jeep Wrangler 2.5L L4 models from 1988 to 1990. It includes one housing unit for easy replacement. The part is designed to meet or exceed original equipment standards.
It offers a direct, fuss-free fit for your vehicle. Installation is simple and straightforward, matching the original part perfectly. Enjoy reliable performance with this OE replacement.
Check the product specifications to ensure perfect compatibility. Get optimal performance every time with this high-quality part.
| Pros | Cons |
|---|---|
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Perfect For:
This engine coolant thermostat housing is perfect for Jeep Wrangler owners with a 2.5L L4 engine from 1988 to 1990. It’s a direct replacement that fits perfectly and works great.
Ready to Purchase?
2. BOXI 902-5174 Engine Coolant Thermostat Housing Assembly Fits for Lexus ES300h 2013 2014 2015 2016 2017 2018 for Toyota Avalon 2013-2018 Camry 2012-2017 L4 2.5L FHEV/Replaces 1603136010 86033 756180

The BOXI 902-5174 Engine Coolant Thermostat Housing Assembly is a perfect fit for specific Lexus and Toyota models. It works with Lexus ES300h (2013-2018), Toyota Avalon (2013-2018), and Toyota Camry (2012-2017), all with L4 2.5L FULL HYBRID EV-GAS (FHEV) engines.
This part replaces multiple numbers, including 902-5174, 756180, and 1603136010. It includes a thermostat housing, thermostat, and gasket. The thermostat opens at 180°F, ensuring proper engine temperature.
Through strict testing, this assembly offers reliable performance and precise heat control. Always check compatibility using your vehicle’s year, make, model, or part numbers before buying.
| Pros | Cons |
|---|---|
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Perfect For:
This BOXI 902-5174 Engine Coolant Thermostat Housing Assembly is perfect for car owners who need a reliable replacement part. It’s ideal for Lexus ES300h, Toyota Avalon, and Toyota Camry models with 2.5L hybrid engines.
Ready to Purchase?
3. Engine Coolant Thermostat Housing Cover Compatible With Toyota RAV4 2.5L L4 GAS 2018 2017 2016 2015 2014 2013 2012 2011 2010 2009 P-4242023

Keep your Toyota RAV4 running cool with this engine coolant thermostat housing cover. It’s a direct replacement for your original part, designed for a perfect fit. No fuss, just easy installation.
This part is built to last, meeting or exceeding OE standards. It ensures your engine stays at the right temperature, just like the original.
Check the fitment chart to confirm it’s right for your vehicle. Get reliable performance and a seamless replacement every time.
| Pros | Cons |
|---|---|
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Perfect For:
This engine coolant thermostat housing cover is perfect for Toyota RAV4 owners with a 2.5L L4 GAS engine from 2009 to 2018. It’s a direct replacement that fits perfectly and works like the original part.
Ready to Purchase?
4. Engine Coolant Thermostat Housing Assembly – Compatible for Mazda 3 S, i 2.0L L4 – Gas, 2.5L L4 – Gas 2006-2013 – Replace Part LF941517Z, 902690

Keep your Mazda running smoothly with this Engine Coolant Thermostat Housing Assembly. It’s designed to control engine temperature for optimal performance.
This direct replacement part is easy to install. It’s made from durable materials. Enjoy a 365-day guarantee for peace of mind.
| Pros | Cons |
|---|---|
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Perfect For:
This Engine Coolant Thermostat Housing Assembly is perfect for Mazda owners who need a reliable replacement part. It’s easy to install and fits multiple Mazda models, ensuring your engine runs smoothly.
Ready to Purchase?
5. Water Pump Engine Coolant Thermostat Housing Assembly Compatible With GMC Acadia 2.5L L4 2021 2020 2019 2018 2017 P-5361307

Keep your GMC Acadia running cool with this engine coolant thermostat housing assembly. It’s a direct replacement for your 2.5L L4 model, fitting perfectly without hassle.
This part is built to last, meeting or exceeding the quality and performance of your original equipment. Installation is simple and straightforward, so you can get back on the road quickly.
One assembly included. Check compatibility with your vehicle using the image gallery. Perfect fit, every time.
| Pros | Cons |
|---|---|
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Perfect For:
This engine coolant thermostat housing assembly is perfect for GMC Acadia owners with a 2.5L L4 engine from 2017 to 2021. It’s a direct replacement that fits perfectly and works great.
Ready to Purchase?
6. A-Premium Engine Coolant Thermostat Housing Assembly with Seal Compatible with Toyota Camry 2012-2017, Avalon 2013-2018 & Lexus ES300h 2013-2018, 2.5L

The A-Premium Engine Coolant Thermostat Housing Assembly is compatible with Toyota Camry, Avalon, and Lexus ES300h models. It fits 2.5L engines from 2012 to 2018. This part ensures your engine runs at the right temperature.
It has a thermostat opening temperature of 82℃, two mounting holes, and one outlet port. The design is tested for strength and reliability.
With a one-year unlimited-mileage guarantee, you can drive with confidence. A-Premium offers quality parts for a smooth ride.
| Pros | Cons |
|---|---|
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Perfect For:
This A-Premium Engine Coolant Thermostat Housing Assembly is perfect for Toyota and Lexus owners who want a reliable replacement part. It’s ideal for keeping your engine at the right temperature and fits specific models like the Toyota Camry 2012-2017, Avalon 2013-2018, and Lexus ES300h 2013-2018.
Ready to Purchase?
7. Thermostat Housing Replace 902-306, 53006192 Compatible with Dodge Jeep 2.5L 4.0L – 1991-1995, 1997-2006 Wrangler YJ TJ, 1991-2001 Cherokee XJ, 1993-2004 Grand Cherokee ZJ WJ, 1997-2002 Dakota, More

Keep your engine running smoothly with this essential thermostat housing replacement. It’s a crucial part that helps control your engine’s temperature. A failing housing can lead to serious engine issues.
This high-quality OE-style housing is built to last. It ensures a perfect fit and function just like the original.
This thermostat housing is a direct replacement for specific Dodge and Jeep models. It’s easy to install and will get your vehicle back in top shape.
| Pros | Cons |
|---|---|
|
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Perfect For:
This thermostat housing is perfect for Dodge and Jeep owners with 2.5L or 4.0L engines. It’s ideal for fixing leaks or replacing broken parts.
Ready to Purchase?
8. Engine Coolant Water Outlet Thermostat Replacement for W98833 12653537 25201457 Fit for Chevrolet 2013-2014 Malibu 2.5L L4 2013-2020 for Chevrolet Malibu 2.0L L4 2014-2019 for Chevrolet Impala 2.5L L4

Keep your engine cool with this thermostat replacement. It fits many Chevrolet, Buick, and GMC models. Perfect for 2013–2020 vehicles.
Made from strong plastic and corrosion-resistant metal, it lasts long. The rubber seal stops leaks and keeps your cooling system stable.
This part meets high standards and prevents overheating. Every unit is checked for quality before shipping.
| Pros | Cons |
|---|---|
|
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Perfect For:
This Engine Coolant Water Outlet Thermostat Replacement is perfect for Chevrolet, Buick, and GMC owners who need a reliable and durable part to keep their vehicle’s cooling system running smoothly. It’s ideal for those with 2013-2020 models looking for a high-quality replacement that prevents overheating and ensures long-term performance.
Ready to Purchase?
9. Upgraded Aluminium Engine Coolant Thermostat Housing Assembly Compatible With Chevy Colorado, Malibu, S10, GMC Canyon, Buick LaCrosse, Cadillac ATS 2013-2019 2.5L – Replaces 12650241, 902-2125

Keep your engine cool with this upgraded thermostat housing assembly. It’s compatible with Chevy, GMC, Buick, and Cadillac models from 2013 to 2019 with a 2.5L engine.
Directly replaces part numbers 12650241 and 902-2125. Made of durable aluminum with a rubber seal included. Opens at 203°F to regulate coolant flow.
Prevents overheating and leaks. Rigorously tested for heat and vibration resistance. Comes with a 1-year warranty for peace of mind.
| Pros | Cons |
|---|---|
|
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Perfect For:
This thermostat housing assembly is perfect for car owners who need a reliable replacement for their Chevy, GMC, Buick, or Cadillac. It’s ideal for fixing overheating, leaks, or poor heater performance in 2013-2019 models with a 2.5L engine.
Ready to Purchase?
10. A-Premium Engine Coolant Thermostat Housing Assembly with Gasket Compatible with Chevrolet Malibu Colorado Cadillac ATS GMC Canyon Buick LaCrosse 2.5L

Keep your engine cool with the A-Premium Thermostat Housing Assembly. It’s compatible with many popular models, like Buick LaCrosse, Cadillac ATS, and Chevrolet Colorado. This part fits perfectly and works reliably.
The assembly includes a thermostat, housing, sensor, and gasket. It’s tested for strength and built to last. Proper installation ensures no leaks and better heat control.
Buy with confidence thanks to a one-year guarantee. A-Premium offers peace of mind for your vehicle’s needs.
| Pros | Cons |
|---|---|
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Perfect For:
This A-Premium Engine Coolant Thermostat Housing Assembly is perfect for car owners who need a reliable replacement part for their Chevrolet, Cadillac, Buick, or GMC vehicle. It’s easy to install and ensures your engine runs smoothly at the right temperature.
Ready to Purchase?
Buying Guide
Choosing the right 2.5L L4 engine thermostat housing keeps your engine cool and running smoothly. Our guide makes it easy to find the perfect fit.
Here’s what to consider when buying:
- Compatibility: Check your vehicle’s year, make, and model to ensure the part fits perfectly.
- Material Quality: Look for durable materials like aluminum or corrosion-resistant metal for long-lasting performance.
- Temperature Control: Ensure the thermostat opens at the right temperature (e.g., 180°F or 203°F) for optimal engine cooling.
- Ease of Installation: Choose a direct replacement with simple installation steps to save time and effort.
- Warranty: Opt for parts with a guarantee (e.g., 1-year warranty) for added peace of mind.
- Leak Prevention: Check for rubber seals or gaskets to prevent coolant leaks and ensure a stable cooling system.
- OE Standards: Select parts that meet or exceed original equipment standards for reliable performance.
With these factors in mind, you’ll find the best 2.5L L4 engine thermostat housing for your vehicle. Drive confidently with the right choice!