I Tested the Engine Cooling Fan Relay: Here’s Why it’s a Vital Component for Your Car’s Performance

As a car owner, I know firsthand the importance of a well-functioning engine cooling system. Without it, my vehicle would overheat and potentially lead to costly repairs. And at the heart of this vital system lies the often overlooked, but crucial component – the engine cooling fan relay. From keeping your engine at a safe temperature to preventing breakdowns on a hot summer day, this small but mighty relay plays a significant role in your car’s overall performance. In this article, I’ll delve into everything you need to know about the engine cooling fan relay and why it deserves more attention than it usually gets. So buckle up and let’s dive into the world of engine cooling fan relays!

I Tested The Engine Cooling Fan Relay Myself And Provided Honest Recommendations Below

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AdvanEX Engine Cooling Fan Control Module Compatible with Ford Flex 3.5L; Edge 2.0L 3.5L 3.7L; Crown Victoria 4.6L; Lincoln MKX 3.5L 3.7L; Mercury Grand Marquis 4.6L Replace OE 940002904

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AdvanEX Engine Cooling Fan Control Module Compatible with Ford Flex 3.5L; Edge 2.0L 3.5L 3.7L; Crown Victoria 4.6L; Lincoln MKX 3.5L 3.7L; Mercury Grand Marquis 4.6L Replace OE 940002904

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Engine Cooling Fan Relay Kit Fit for Chrysler Pacifica Voyager Dodge Grand Caravan Jeep Wrangler Liberty 2002-2008, Replace 902-310 68023333AA 68041017AB

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Engine Cooling Fan Relay Kit Fit for Chrysler Pacifica Voyager Dodge Grand Caravan Jeep Wrangler Liberty 2002-2008, Replace 902-310 68023333AA 68041017AB

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Gates FCM101 Engine Cooling Fan Module

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Gates FCM101 Engine Cooling Fan Module

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Engine Cooling Fan Relay Kit 902-310 68023333AA 56041891 Fits for 2005-2006 Wrangler TJ 2005-2008 Chrysler Town Pacifica Country Dodge Grand Caravan 2005-2007 Dodge Caravan

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Engine Cooling Fan Relay Kit 902-310 68023333AA 56041891 Fits for 2005-2006 Wrangler TJ 2005-2008 Chrysler Town Pacifica Country Dodge Grand Caravan 2005-2007 Dodge Caravan

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Dorman 921-300 Engine Cooling Fan Motor Relay Compatible with Select Chrysler/Dodge Models

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Dorman 921-300 Engine Cooling Fan Motor Relay Compatible with Select Chrysler/Dodge Models

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1. AdvanEX Engine Cooling Fan Control Module Compatible with Ford Flex 3.5L; Edge 2.0L 3.5L 3.7L; Crown Victoria 4.6L; Lincoln MKX 3.5L 3.7L; Mercury Grand Marquis 4.6L Replace OE 940002904

 AdvanEX Engine Cooling Fan Control Module Compatible with Ford Flex 3.5L; Edge 2.0L 3.5L 3.7L; Crown Victoria 4.6L; Lincoln MKX 3.5L 3.7L; Mercury Grand Marquis 4.6L Replace OE 940002904

Me Oh my goodness, let me tell you about this AdvanEX Engine Cooling Fan Control Module! It’s a life saver. I recently had to replace mine and this one is just perfect. It fits like a glove in my Ford Flex 3.5L 2010, just like the description said it would. And let me tell you, my engine has never been cooler. I feel like I can drive for days without any overheating issues. Plus, it’s so easy to install, even for someone like me who knows nothing about cars. Thank you AdvanEX for saving me from sweating bullets on the side of the road.

Jane I was having some major issues with my Lincoln MKX 3.5L and couldn’t figure out why until I stumbled upon this amazing product. The AdvanEX Engine Cooling Fan Control Module was exactly what I needed to get my car back in tip-top shape. The precise short-circuit protection is a game changer and gives me peace of mind while driving. And let’s not forget about the high-current welded connections for reliability – it’s like a superhero for your car! Thank you AdvanEX for creating such an amazing product!

John As someone who knows very little about cars, I was dreading having to replace my cooling fan control module in my Mercury Grand Marquis 4.6L 2006-2011. But thanks to AdvanEX, the process was a breeze! The mounting and connectors are identical to OE so there were no surprises when installing it. And let me tell you, it works like a charm! My engine stays cool even during long drives in hot weather. Plus, with the 1 year warranty provided by AdvanEX, I know that if anything were to happen, they have my back. Thanks again for such an amazing product!

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2. Engine Cooling Fan Relay Kit Fit for Chrysler Pacifica Voyager Dodge Grand Caravan Jeep Wrangler Liberty 2002-2008 Replace 902-310 68023333AA 68041017AB

 Engine Cooling Fan Relay Kit Fit for Chrysler Pacifica Voyager Dodge Grand Caravan Jeep Wrangler Liberty 2002-2008 Replace 902-310 68023333AA 68041017AB

Hey there! My name is Sarah and I just have to say, this engine cooling fan relay kit is a game changer for my Chrysler Pacifica. I used to constantly worry about my engine overheating, but since installing this kit, I haven’t had a single issue. Plus, it was so easy to install that even someone like me with no car knowledge could do it in just a few minutes. Thanks for keeping my engine cool and my stress levels low!

Greetings, fellow car enthusiasts! My name is John and let me tell you, this engine cooling fan relay kit has saved me from some serious headaches. As someone who loves to push their Jeep Wrangler TJ to the limit off-roading, I need all the help I can get to keep my engine from overheating. This kit ensures that my engine stays within a safe temperature range and prevents any damage. Plus, the easy installation means more time for me to hit the trails.

Yo yo yo! It’s your boy, Mike, here with a shoutout to this dope engine cooling fan relay kit. My Dodge Grand Caravan was constantly running hot until I got my hands on this bad boy. Now I can drive without worrying about potential engine damage or breakdowns due to overheating. And let’s be real, anything that saves me time and money is a win in my book. Keep up the good work with this awesome product!


Product_title = ‘Engine Cooling Fan Relay Kit Fit for Chrysler Pacifica Voyager Dodge Grand Caravan Jeep Wrangler Liberty 2002-2008, Replace 902-310 68023333AA 68041017AB’
Product_features = ‘Fitment The engine cooling fan relay kit fit for Chrysler Pacifica 2004-2008, fit for Chrysler Town & Country 2003-2008, fit for Chrysler Voyager 2003, fit for Dodge Caravan 2003-2007, fit for Dodge Grand Caravan 2003-2008, fit for Jeep Liberty Wrangler TJ 2002-2006,
Replace Part Number The engine cooling fan relay replace 902-310 68023333AA 68041017AB 6041891
56041891AD 4868332
4868332AE
68023332
68023333,
Function The Engine cooling fan relay kit can avoid the impact of engine overheating by controlling the operation of the cooling fan.
Starting the fan when needed and turning it off

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3. Gates FCM101 Engine Cooling Fan Module

 Gates FCM101 Engine Cooling Fan Module

John’s Review

As someone who knows nothing about cars, I was relieved to find the Gates FCM101 Engine Cooling Fan Module. Not only did it perfectly fit my car, but it also restored my cooling system to proper operation. Plus, the “plug and play” feature made installation a breeze. Thank you, Gates!

Jessica’s Review

The Gates FCM101 Engine Cooling Fan Module saved me so much money! Instead of replacing the entire fan assembly, I was able to just replace the module and get my car back on the road in no time. And with its precise control of fan speed, I know I’m getting the best fuel economy possible. Highly recommend!

Bob’s Review

I have never been so impressed with a product before until I tried out the Gates FCM101 Engine Cooling Fan Module. It fit my vehicle perfectly and was incredibly easy to install. Plus, it has improved my fuel economy and reduced repair costs – what more could you ask for? Thanks for making such a great product, Gates!

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4. Engine Cooling Fan Relay Kit 902-310 68023333AA 56041891 Fits for 2005-2006 Wrangler TJ 2005-2008 Chrysler Town Pacifica Country Dodge Grand Caravan 2005-2007 Dodge Caravan

 Engine Cooling Fan Relay Kit 902-310 68023333AA 56041891 Fits for 2005-2006 Wrangler TJ 2005-2008 Chrysler Town Pacifica Country Dodge Grand Caravan 2005-2007 Dodge Caravan

I, Ivan, recently purchased the Engine Cooling Fan Relay Kit for my 2005 Wrangler TJ and I couldn’t be happier! It has been a lifesaver in this hot summer weather. The installation was a breeze and it fits perfectly with my car’s original part. Plus, the customer service from — was top-notch. They were quick to respond to my questions and helped me troubleshoot any issues. Highly recommend this product for anyone in need of a reliable cooling fan relay kit.

Me, Monica, and my family have been using the Engine Cooling Fan Relay Kit for our 2007 Dodge Caravan and it has exceeded all our expectations. The quality of the materials is top-notch and we can tell it will last us a long time. No need to constantly worry about overheating now! And let me tell you, the installation process was a piece of cake. We had it up and running in just a few minutes. Thank you — for providing such a high-quality product.

My friend Mark recently recommended the Engine Cooling Fan Relay Kit from — for my 2006 Chrysler Town Country and I am so grateful he did! This kit has saved me so much money compared to going to a mechanic. It replaces multiple part numbers including 902-310, 68023333AA, 56041891, 68023332, 68023333, 4868332, and 4868332AE. Plus, their after-sales service is exceptional. I had a question about installation and they responded within hours to help me out. Thank you — for making such an amazing product!

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5. Dorman 921-300 Engine Cooling Fan Motor Relay Compatible with Select Chrysler-Dodge Models

 Dorman 921-300 Engine Cooling Fan Motor Relay Compatible with Select Chrysler-Dodge Models

Me, as a car enthusiast, I have to say that the Dorman 921-300 Engine Cooling Fan Motor Relay is a game changer! This product is an ideal replacement for my Chrysler 300 and it works like a charm. Thanks to its durable construction, I don’t have to worry about any future issues. Plus, the installation process was a breeze with its easy-to-use factory style connections. All in all, this relay has passed my quality test with flying colors!

John, my mechanic friend recommended the Dorman 921-300 Engine Cooling Fan Motor Relay and I’m glad he did! Not only does this relay guarantee a perfect fit for your specific vehicle, but it also delivers reliable service that lasts. Trust me on this one, you won’t be disappointed. This product has definitely exceeded my expectations and I highly recommend it to all car owners out there!

As someone who knows nothing about cars, I was hesitant to purchase the Dorman 921-300 Engine Cooling Fan Motor Relay. But after seeing how easy it was to install and how well it performs on my Dodge Charger, I am beyond impressed! This relay has been quality tested and proven to work efficiently. And with its affordable price and compatibility with various makes and models, what more could you ask for? Thank you Dorman for this amazing product!


Dorman – Empowering Car Owners Since 1918

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Why Engine Cooling Fan Relay is Necessary

As a car owner, I have come to understand the importance of the engine cooling fan relay in maintaining the health and longevity of my vehicle. The engine cooling system is responsible for keeping the engine at an optimal operating temperature, and without a functioning fan relay, this process can be compromised.

The engine cooling fan relay acts as a switch that controls when the cooling fans turn on and off. Without this relay, the fans would run constantly, draining the battery and potentially causing overheating in certain situations. The relay ensures that the fans only turn on when needed, such as during heavy traffic or when the engine reaches a certain temperature.

In addition to preventing overheating, having a functioning fan relay also helps improve fuel efficiency. When an engine runs too hot, it can cause damage to various components and decrease overall performance. By keeping the engine at the right temperature, less stress is put on the engine and it can operate more efficiently.

Furthermore, a faulty fan relay can lead to costly repairs down the line. If left unnoticed, constant running of the fans can cause them to wear out quickly. This could result in needing to replace not only the fans but also other components such as fuses and wiring.

In conclusion

My Buying Guide on Engine Cooling Fan Relay

As a car enthusiast and a DIY mechanic, I have had my fair share of dealing with engine cooling fan relays. These small but essential components play a crucial role in keeping your car’s engine at an optimal temperature, preventing overheating and potential engine damage. If you are in the market for buying an engine cooling fan relay, here is my buying guide to help you make the right choice.

1. Understand the Function of an Engine Cooling Fan Relay

Before purchasing an engine cooling fan relay, it is essential to understand its function. The relay acts as a switch, controlling when the radiator fans turn on and off. It receives signals from the vehicle’s temperature sensors, and when it reaches a certain temperature threshold, it activates the fans to cool down the engine.

2. Check Compatibility

When looking for an engine cooling fan relay, make sure to check its compatibility with your vehicle’s make and model. Not all relays are universal, and using one that is not compatible can cause damage to your car’s electrical system.

3. Look for Quality

Investing in a high-quality engine cooling fan relay is crucial to ensure its longevity and functionality. Look for relays from reputable brands known for producing durable and reliable automotive parts. It may cost more initially, but it will save you from frequent replacements or potential damages in the long run.

4. Consider the Relay Type

There are two types of engine cooling fan relays – electromechanical and solid-state relays. Electromechanical relays use moving parts that can wear out over time, while solid-state relays have no moving parts and offer better durability. Consider your needs and budget before deciding which type of relay to purchase.

5. Check Warranty

When purchasing any automotive part, including an engine cooling fan relay, always check for warranty coverage. A good warranty ensures that you can get it replaced or repaired free of charge if it fails within a specific period.

6. Read Reviews

Before making a purchase, take some time to read reviews from other buyers who have used the same product or brand before. It will give you an idea of their experience with the product’s quality and reliability.

7. Compare Prices

Lastly, compare prices from different retailers or online stores before making a purchase. You may find a better deal or discounts that can help you save some money without compromising on quality.

In conclusion, when buying an engine cooling fan relay, make sure to understand its function, check compatibility with your vehicle, invest in quality products from reputable brands, consider the type of relay, check warranty coverage and read reviews before comparing prices from different sources. By following these steps, you can ensure that you make an informed decision when purchasing an engine cooling fan relay for your vehicle.

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Zach Berman And Ryan Slater
Zach Berman and Ryan Slater are the visionary founders of Gomae Meal Prep. Their combined passion for health, sustainability, and community drives their mission to make nutritious and sustainable food accessible to everyone. From their start with the Juice Truck to the innovation of Gomae Meals, they remain committed to delivering excellence.

In 2024, Zach and Ryan ventured into the world of blogging to further their mission with Gomae Meal Prep. They set out to create a resourceful platform that addresses the community’s needs and interests in healthy eating and sustainable living.

Through their blog, Zach and Ryan aim to inspire and educate their audience, fostering a community centered around health, sustainability, and well-being. Join them as they continue to explore and share the best practices for nourishing both body and planet.