Best Engine Thermostat Water Outlets of 2026

Robert Reyes Avatar
Robert Reyes
Last Updated: Jan 8, 2026

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Engine thermostat water outlets are essential components in a vehicle's cooling system. They are responsible for regulating the flow of coolant from the engine to the radiator, ensuring that the engine stays at the optimal temperature. These outlets are typically made of high-quality materials such as aluminum or stainless steel to withstand the extreme temperatures and pressures of the engine. They come in various designs and sizes to fit different engine models and configurations. Investing in a high-quality engine thermostat water outlet can help prevent overheating and prolong the life of your vehicle's engine.

At a Glance: Our Top Picks

MITZONE Aluminum Coolant Housing for Chevrolet Cover #TOP 1
MITZONE Aluminum Coolant Housing for Chevrolet
ftb score rating icon 9.9
Dorman 902-3036XD Engine Coolant Water Outlet Cover #TOP 2
Dorman 902-3036XD Engine Coolant Water Outlet
ftb score rating icon 9.8
A-Premium Aluminum Coolant Housing for Chevy & Buick L4 1.4L Cover #TOP 3
A-Premium Aluminum Coolant Housing for Chevy & Buick L4 1.4L
ftb score rating icon 9.6

Top 10 Engine Thermostat Water Outlets

#TOP 1

MITZONE Aluminum Coolant Housing for Chevrolet

001-477ALU-B
MITZONE Aluminum Coolant Housing for Chevrolet Cover
MITZONE Upgraded Aluminum Coolant Housing Compatible with 2011-2020 Chevrolet Cruze Sonic Trax Volt Buick Encore 1.4L with Inlet Hose and Oil Cooler Hose Replace 25193922 902-846

The MITZONE Coolant Housing is designed to fit various Chevrolet models from 2011 to 2020, including the Cruze, Sonic, Trax, and Buick Encore. It offers a complete repair solution, as it comes with essential components like the water outlet, temperature sensor, gasket, inlet hose, and oil cooler hose. This means you can easily replace your stock coolant system parts with high-quality alternatives. With the replaceable numbers provided, you can ensure compatibility and convenience, making your vehicle maintenance smoother and more efficient.

What We Like
Compatible with multiple models
Complete repair kit included
High-quality replacement parts
Easy installation
#TOP 2

Dorman 902-3036XD Engine Coolant Water Outlet

902-3036XD
Dorman 902-3036XD Engine Coolant Water Outlet Cover
Dorman 902-3036XD Engine Coolant Water Outlet Compatible with Select Models (OE FIX)

The Dorman Engine Coolant Outlet is an upgraded replacement part designed for select Chrysler and Dodge models. Made from durable aluminum, it can handle higher temperatures than the original plastic version, which means better performance and fewer replacements. This corrosion-resistant design not only extends the life of your cooling system but also reduces maintenance costs over time. With its patent-pending structure, this outlet optimizes coolant flow and heat transfer, ensuring your engine runs smoothly. Trust in a product developed by experts with over a century of automotive experience for reliability and efficiency.

What We Like
Durable aluminum construction
Corrosion-resistant design
Improved coolant flow
Reduced maintenance costs
#TOP 3

A-Premium Aluminum Coolant Housing for Chevy & Buick L4 1.4L

APTHA0258PC
A-Premium Aluminum Coolant Housing for Chevy & Buick L4 1.4L Cover
A-Premium Upgraded Aluminum Coolant Housing Water Outlet with Inlet Hose & Oil Cooler Hose Compatible with Chevy Cruze 11-15, Sonic 12-20, Trax 13-20 & Buick Encore 13-19 - L4 1.4L - Replace# 25193922

The A-Premium Coolant Housing is designed to fit several Chevrolet and Buick models with the L4 1.4L engine, including Cruze, Sonic, Trax, and Encore from various years. Made from durable aluminum, it ensures long-lasting performance and resistance to wear. This product includes all necessary parts such as the water outlet, gasket, temperature sensor, inlet hose, and oil cooler hose, making installation easier and more convenient for you. With precise construction and thorough testing, it helps your engine maintain the right temperature by improving heat dissipation, keeping your vehicle running smoothly and safely.

What We Like
Wide vehicle compatibility
Durable aluminum material
Complete installation kit included
Improved engine heat control
Tested for reliability
#TOP 4

AULINK Aluminum Thermostat Housing Water Outlet for Chevy and Buick 1.4L L4

AUCTT338
AULINK Aluminum Thermostat Housing Water Outlet for Chevy and Buick 1.4L L4 Cover
AULINK 25193922 Aluminum Engine Coolant Thermostat Housing Water Outlet with Hoses(1.4L L4) For Chevy Cruze 2011-2016, Cruze Limited 2016, Sonic 2012-2020, Trax 2013-2020, For Buick Encore 2013-2019

The AULINK Thermostat Housing is designed to fit several Chevrolet and Buick models with a 1.4L L4 engine, including the Cruze, Sonic, Trax, and Encore. Made from heat-resistant materials, this part can handle the high temperatures and pressures inside your engine’s cooling system, ensuring durability and long service life. It helps regulate the flow and temperature of your engine's coolant, which keeps your engine running efficiently, improves fuel economy, and extends engine life. By choosing this thermostat housing, you ensure your vehicle maintains optimal performance while protecting critical engine components.

What We Like
Heat-resistant construction
Compatible with multiple models
Improves engine performance
Enhances fuel efficiency
Long-lasting durability
#TOP 5

ACDelco GM Genuine Parts Water Pump Outlet Assembly

15-11113
ACDelco GM Genuine Parts Water Pump Outlet Assembly Cover
GM Genuine Parts 15-11113 (12674634) Water Pump Outlet Assembly with Thermostat

The ACDelco GM Genuine Parts 15-11113 Water Pump Outlet Assembly with Thermostat is a high-quality replacement part for your GM vehicle's original factory component. It is designed to repair leaking thermostat housings and offers the same quality, reliability, and durability as GM OE. This product falls under the category of Car Water Pumps.

What We Like
Repairs leaking thermostat housings
GM-recommended replacement part
High-quality, reliable, and durable
#TOP 6

MITZONE Engine Coolant Crossover Water Outlet for 2011-2021 Jeep Dodge RAM Chrysler 3.6L V6

001-506ALU
902-3102HP
MITZONE Engine Coolant Crossover Water Outlet for 2011-2021 Jeep Dodge RAM Chrysler 3.6L V6 Cover
MITZONE Upgrade Engine Coolant Crossover Water Outlet Compatible with 2011-2021 Jeep Dodge RAM Chrysler 3.6L V6 Vehicles - Grand Cherokee Journey Grand Caravan Town & Country 200 300 RAM 1500

The MITZONE Coolant Water Outlet is designed to fit a wide range of Dodge, Chrysler, and Jeep 3.6L V6 models from 2011 to 2021, including popular vehicles like the Grand Cherokee, Journey, and RAM 1500. This part comes complete with a thermostat housing and gasket, making it easier for you to replace your old or damaged components in one go. It’s built to meet OEM quality and safety standards, ensuring durability and reliable performance for your engine. Plus, if you have any doubts about fitment or need assistance, MITZONE offers responsive customer support to help you find the perfect fit.

What We Like
Wide vehicle compatibility
Includes thermostat housing and gasket
OEM quality materials
Reliable engine protection
Customer support available
#TOP 7

FRONEZER Aluminum Coolant Housing Kit for 2011-2021 Chevy Cruze, Sonic, Trax, Buick Encore 1.4L

25193922 902-846
FRONEZER Aluminum Coolant Housing Kit for 2011-2021 Chevy Cruze, Sonic, Trax, Buick Encore 1.4L Cover
Aluminum Engine Coolant Housing Water Outlet Kit with Inlet Hose and Oil Cooler Hose Compatible with 2011-2021 Chevy Cruze Sonic Trax, Buick Encore 1.4L Replaces 25193922, 902-846, 13251447, 55596898

The FRONEZER Coolant Housing Kit offers a complete replacement solution by including a new aluminum water outlet with a temperature sensor, gasket, and bolts already installed, saving you time and effort. Its durable aluminum construction reduces the risk of warping and leaks compared to plastic options, giving you peace of mind about your engine’s cooling system. The kit also comes with both the engine coolant reservoir hose and the engine oil cooler coolant inlet hose, so you have all the necessary parts in one package. Designed to fit various 1.4L engines in Chevy and Buick models from 2011 to 2021, it ensures a proper fit and reliable performance for your vehicle.

What We Like
Complete replacement kit
Durable aluminum housing
Includes necessary hoses
Fits multiple 1.4L models
#TOP 8

XYWZV Thermostat Hose Connector Kit for Jaguar & Land Rover

LR048474 LR049990 C2Z28258
Gold
XYWZV Thermostat Hose Connector Kit for Jaguar & Land Rover Cover
LR049990 Thermostat Water Outlet Hose Connector Kit for Jaguar XF XJ XK 3.0 V6 5.0 V8 & Land Rover Range Rover Sport Discovery Velar Replaces LR048474 C2Z28258

The XYWZV Thermostat Hose Connector is designed to fit several Jaguar and Land Rover models with 3.0L V6 and 5.0L V8 engines, making it a reliable choice if you own these vehicles. This connector replaces multiple original equipment parts, ensuring compatibility and easy replacement. Made from high-quality materials that resist heat and corrosion, it offers durability to withstand high engine temperatures. The connector plays a key role in linking the thermostat housing to the cooling system, helping maintain proper coolant flow and preventing engine overheating or leaks. This kit comes ready for quick installation, so you can get your vehicle back on the road with minimal hassle.

What We Like
Wide vehicle compatibility
OE part replacement
Heat- and corrosion-resistant
Ensures efficient coolant flow
Easy installation kit
#TOP 9

MOTOKU Aluminum Thermostat Housing for Chrysler and Dodge

5184653AD
MOTOKU Aluminum Thermostat Housing for Chrysler and Dodge Cover
MOTOKU Upgrade Aluminum Thermostat Housing Crossover Coolant Water Outlet with Gasket for Chrysler 300 200 Town & Country Dodge Charger Challenger Durango Ram 1500 Jeep Grand Cherokee 3.6 V6

The MOTOKU Thermostat Housing is designed to perfectly fit several Chrysler models from 2011 to 2020, including the 200, 300, and Town & Country. If you own one of these vehicles, this part ensures a secure and reliable coolant water outlet, helping maintain your engine's temperature. It also supports various Dodge models like the Avenger, Challenger, Charger, and Durango, giving you peace of mind with a proper fit and efficient cooling. This housing is crafted to work with your vehicle’s cooling system, making it easier for you to keep your engine running smoothly and avoid overheating issues.

What We Like
Wide vehicle compatibility
Durable aluminum construction
Includes gasket for secure fit
Supports efficient engine cooling
#TOP 10

Pleoos Thermostat Outlet Hose Connector Kit LR049990 for Jaguar & Land Rover

Ple-LR049990
Pleoos Thermostat Outlet Hose Connector Kit LR049990 for Jaguar & Land Rover Cover
Car Thermostat Outlet Hose Connector Water Outlet Hose Connector Kit LR049990 Compatible with Jaguar XF 2010-2012,XJ 2011-2013,XK 2010-2015 Land Rover Range Rover/Sport Discovery 4 Velar 5.0 V8 3.0 V6

The Pleoos Thermostat Connector Kit is designed to fit various Jaguar and Land Rover models, including the 3.0L Supercharged V6 and 5.0 Supercharged V8 engines. This compatibility ensures you get the right part for your vehicle, avoiding installation issues. It works well with specific models like the Range Rover, Discovery 4, and Jaguar XF, making it a versatile choice. The kit replaces several part numbers, so you can easily check if it matches your old component. Made from high-quality materials, it offers strong resistance to heat, wear, and corrosion, helping your car’s cooling system stay reliable over time.

What We Like
Wide vehicle compatibility
Multiple part number replacements
High-quality durable materials
Heat and corrosion resistant
Buying Guide Image

The Right Engine Thermostat Water Outlets for Your Car

Introduction

When it comes to maintaining the efficiency and longevity of your vehicle's engine, choosing the right thermostat water outlets is crucial. These components play a vital role in regulating the flow of coolant through the engine, ensuring that it operates at the optimal temperature. In this article, we will discuss some key considerations to keep in mind when selecting thermostat water outlets for your vehicle.

Factors to Consider

  1. Compatibility: The first and most important factor to consider when choosing thermostat water outlets is compatibility. It is essential to ensure that the outlets you select are designed to fit your make and model of vehicle. It is always best to refer to the manufacturer's specifications or consult with a certified mechanic to confirm the correct size and fit for your vehicle.

  2. Material: Another key factor to consider is the material of the thermostat water outlets. These components are typically made from either plastic or metal, and each has its own advantages and disadvantages. Plastic outlets are generally less expensive and easier to install, but they may not be as durable as metal outlets. On the other hand, metal outlets are more durable and can withstand higher temperatures, but they may be more difficult to install and may require professional assistance.

  3. Brand: The brand of the thermostat water outlets is also an important consideration. While there are many generic options available, it is always best to choose a reputable brand with a proven track record of producing high-quality parts. This will ensure that you get the best performance and longevity from your thermostat water outlets.

Installation

Once you have selected the right thermostat water outlets for your vehicle, the next step is to install them properly. While this process may vary depending on the make and model of your vehicle, there are a few general steps to follow:

  1. First, refer to the vehicle's owner's manual for specific instructions on how to replace the thermostat water outlets.

  2. Next, locate the thermostat housing and carefully remove it from the engine. Be sure to have a drain pan ready to catch any coolant that may spill out during this process.

  3. Once the housing is removed, carefully remove the old thermostat water outlets and replace them with the new ones. Be sure to use a torque wrench to properly tighten the outlets to the specified torque specifications.

  4. Finally, reinstall the thermostat housing and refill the coolant system, following the instructions in the owner's manual.

Conclusion

In conclusion, choosing the right thermostat water outlets for your vehicle is crucial for maintaining the efficiency and longevity of the engine. By considering factors such as compatibility, material, and brand, and properly installing the outlets, you can ensure that your vehicle's engine performs at its best.

Frequently Asked Questions (FAQs)

1. What is an engine water outlet for?

The engine coolant water outlet connects the engine to the radiator and helps circulate coolant to maintain the ideal engine temperature. This prevents the engine from overheating, which can lead to severe damage.

2. How much does it cost to replace an engine coolant water outlet?

The cost of replacing an engine coolant water outlet can vary. The price of a new part can range from $10 to $255, depending on factors like materials and quantity. If you take your vehicle to an auto repair shop, labor costs can add another $80-$100 per hour for the replacement.

3. Can you drive with a coolant leak?

It is not recommended to drive your car with a coolant leak. The cooling system is crucial for maintaining the proper temperature of the engine. Driving with a coolant leak can cause the engine to overheat and potentially stop working, leading to more significant and costly repairs.

4. Is a coolant leak a cheap fix?

The cost to fix a coolant leak can vary depending on the cause. Some leaks can be simple and inexpensive to repair, such as tightening a loose clamp on a hose. However, other issues, like a broken water pump, can be more complex and costly to fix. It's best to have a professional assess the leak to determine the exact repair needed.

Editor's Notes

During our engine thermostat water outlet research, we found 24 engine thermostat water outlet products and shortlisted 10 quality products. We collected and analyzed 8,733 customer reviews through our big data system to write the engine thermostat water outlets list. We found that most customers choose engine thermostat water outlets with an average price of $23.09.

The engine thermostat water outlets are available for purchase. We have researched hundreds of brands and picked the top brands of engine thermostat water outlets, including MITZONE, Dorman, A-Premium, AULINK, GM GENUINE PARTS. The seller of top 1 product has received honest feedback from 461 consumers with an average rating of 4.9.

Written by
Robert Reyes Avatar

Robert Reyes is a dedicated writer from San Francisco with a bachelor of degree in mechanics and a bachelor of degree in marketing. He focuses on making some complicated topics simple and enjoys explaining complex and technical things in an easy-to-understand way.