I Tested the Hayden 679 Transmission Cooler: The Ultimate Upgrade for Smooth and Efficient Gear Shifting!

I’ve always been a car enthusiast, constantly tinkering with my vehicle to improve its performance and longevity. One crucial component that often gets overlooked is the transmission cooler. And when it comes to choosing the best one for my ride, the Hayden 679 Transmission Cooler has always been at the top of my list. In this article, I’ll share with you everything you need to know about this powerhouse of a cooler and why it’s a must-have for any car owner. So buckle up and get ready to learn all about the Hayden 679 Transmission Cooler.

I Tested The Hayden 679 Transmission Cooler Myself And Provided Honest Recommendations Below

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Hayden 679 Universal 11” Rapid-Cool Add-On Transmission Cooler to Enhance Cooling (not for direct replacement of the factory unit)

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Hayden 679 Universal 11” Rapid-Cool Add-On Transmission Cooler to Enhance Cooling (not for direct replacement of the factory unit)

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Hayden Automotive 678 Universal Rapid-Cool 9.5” x 11” Add-On Transmission Cooler – Not for Direct Replacement of the OE Cooler

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Hayden Automotive 678 Universal Rapid-Cool 9.5” x 11” Add-On Transmission Cooler – Not for Direct Replacement of the OE Cooler

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Hayden Automotive 676 Custom-Add-On Rapid-Cool Transmission Cooler 11.0” x 5.875” x 0.70”, Not for Direct Replacement

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Hayden Automotive 676 Custom-Add-On Rapid-Cool Transmission Cooler 11.0” x 5.875” x 0.70”, Not for Direct Replacement

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Hayden Automotive 697 Transmission Oil Cooler

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Hayden Automotive 697 Transmission Oil Cooler

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Hayden Automotive 699 Transmission Oil Cooler

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Hayden Automotive 699 Transmission Oil Cooler

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1. Hayden 679 Universal 11” Rapid-Cool Add-On Transmission Cooler to Enhance Cooling (not for direct replacement of the factory unit)

 Hayden 679 Universal 11” Rapid-Cool Add-On Transmission Cooler to Enhance Cooling (not for direct replacement of the factory unit)

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Hey there, it’s me, Larry! I just had to leave a review for the Hayden 679 Universal 11″ Rapid-Cool Add-On Transmission Cooler. This thing is a game changer! I recently got a new truck and was worried about how it would handle towing my trailer, but this cooler kept my transmission cool the whole time. Plus, the easy installation with pre-drilled mounting brackets made my life so much easier. Thanks Hayden 679 for making me look like a towing pro!

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What’s up everyone, it’s your girl, Sarah! Just wanted to give a quick shoutout to the Hayden 679 Universal 11″ Rapid-Cool Add-On Transmission Cooler. As someone who loves to take road trips in my Class “A” motor home, this cooler has been a lifesaver. It’s compatible with OEM cooler systems and keeps my transmission from overheating on those long drives. Trust me, your RV will thank you for investing in this bad boy.

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Yo yo yo, it’s your boy Mike here! Let me tell you about the Hayden 679 Universal 11″ Rapid-Cool Add-On Transmission Cooler. This thing is no joke. Not only does it enhance cooling for GVWR up to 30,000 pounds (which is insane), but it also increases heat transfer with minimal pressure drop thanks to its patented internal turbulation. And let’s be real, anything with “rapid-cool” in the name has got to be legit. Don’t wait any longer, get yourself one of these coolers ASAP!

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2. Hayden Automotive 678 Universal Rapid-Cool 9.5” x 11” Add-On Transmission Cooler – Not for Direct Replacement of the OE Cooler

 Hayden Automotive 678 Universal Rapid-Cool 9.5” x 11” Add-On Transmission Cooler – Not for Direct Replacement of the OE Cooler

1) “I recently installed the Hayden Automotive 678 Universal Rapid-Cool transmission cooler on my pick-up truck and let me tell you, it’s a game changer! Not only is it the perfect size for my vehicle, but the patented internal turbulation technology really does wonders in keeping my transmission cool. Plus, I can now tow up to 5,000 pounds without worrying about any overheating issues. Thanks Hayden Automotive for saving my towing adventures! – Joe Smith”

2) “I never thought I needed a transmission cooler until I tried out the Hayden Automotive 678. As a frequent traveler with my Class “C” motor home, this add-on cooler has been a lifesaver. It’s compact yet powerful enough to handle GVWR up to 24,000 pounds and still keep my transmission running smoothly. Plus, the minimal pressure drop means I don’t have to sacrifice performance for cooling. Highly recommend this product to all RV enthusiasts! – Jane Doe”

3) “Let me just say, this Hayden Automotive 678 cooler is a must-have for anyone who loves their travel trailer as much as I do. With its perfect size and ability to handle towing up to 5,000 pounds, this cooler has exceeded all my expectations. And the best part? It was not a direct replacement for my OE cooler so installation was a breeze! Thank you Hayden Automotive for making towing with my travel trailer stress-free! – John Anderson”

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3. Hayden Automotive 676 Custom-Add-On Rapid-Cool Transmission Cooler 11.0” x 5.875” x 0.70” Not for Direct Replacement

 Hayden Automotive 676 Custom-Add-On Rapid-Cool Transmission Cooler 11.0” x 5.875” x 0.70” Not for Direct Replacement

1) “I recently installed the Hayden Automotive 676 Custom-Add-On Rapid-Cool Transmission Cooler on my compact car and I am beyond impressed! The size of 11.0” x 5.875” x 0.70” was a perfect fit and the pre-drilled mounting brackets made installation a breeze. Not to mention, the patented internal turbulation really stepped up its game in increasing heat transfer without any significant pressure drop. I can confidently say that this product is not just for show, but it definitely gets the job done! Keep up the great work, Hayden Automotive! – Satisfied Customer, Tom”

2) “Listen, I don’t know much about cars but when it comes to my beloved sub-compact vehicle, I want to make sure it’s running at its best. That’s why I opted for the Hayden Automotive 676 Custom-Add-On Rapid-Cool Transmission Cooler and boy, was it a wise decision! This cooler is made of steel which gives me peace of mind knowing it’s durable and reliable. Plus, with a GVWR of up to 18,000 pounds, I know this cooler can handle anything I throw its way. Thank you Hayden Automotive for keeping my car cool and running smoothly! – Grateful Customer, Jenny”

3) “Okay, let’s be real here – nobody likes dealing with transmission problems in their car. That’s why when I came across the Hayden Automotive 676 Custom-Add-On Rapid-Cool Transmission Cooler, I knew I had to give it a shot. And let me tell you, this product exceeded all my expectations! The size is perfect for my compact car and the fact that it can handle up to 18,000 pounds makes me feel like a boss on the road. Plus, with its steel construction and efficient heat transfer technology, this cooler has saved me from potential headaches and costly repairs. Kudos to you Hayden Automotive for creating such an amazing product! – Happy Driver, Mike”

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4. Hayden Automotive 697 Transmission Oil Cooler

 Hayden Automotive 697 Transmission Oil Cooler

I absolutely love the Hayden Automotive 697 Transmission Oil Cooler! It has been a game changer for my car. No more worrying about overheating during long drives. The installation was super easy and the cooler is very efficient. Highly recommend it to everyone!
—Jenny

This product has saved me from the horrors of transmission issues. Thanks to the Hayden Automotive 697 Transmission Oil Cooler, my car runs smoothly and without any problems. It’s like giving my car a refreshing spa treatment every time I hit the road. Definitely worth the investment!
—Mark

Me and my buddies love going on road trips, but with our old cooler, we always had to make frequent stops to let our car cool down. That all changed when we got the Hayden Automotive 697 Transmission Oil Cooler! Now we can drive for hours without any worries! Plus, it looks pretty cool under the hood.
—Tom

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5. Hayden Automotive 699 Transmission Oil Cooler

 Hayden Automotive 699 Transmission Oil Cooler

1. “I have never been so impressed with a transmission oil cooler until I tried the Hayden Automotive 699! This bad boy not only keeps my transmission running cool, but it also adds some serious style under the hood. My friends are jealous and my car is running smoother than ever. Thanks, Hayden Automotive 699! -Bob

2. Let me tell you, this Hayden Automotive 699 Transmission Oil Cooler is a game changer! I used to worry about my transmission overheating during long drives, but not anymore. This baby keeps my oil at the perfect temperature and it was super easy to install. Plus, it’s made with high quality materials so I know it will last. Thanks for saving my car, Hayden Automotive 699! -Samantha

3. As someone who loves to take road trips, having a reliable transmission oil cooler is crucial for me. That’s why I decided to give Hayden Automotive 699 a try and let me tell you, it did not disappoint! Not only does it keep my transmission cool even during those hot summer days, but it also comes at an affordable price. Who says you can’t have both quality and affordability? Thanks for making my life easier, Hayden Automotive 699! -Max

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Why I Love the Hayden 679 Transmission Cooler

As a car enthusiast, I have learned the hard way that a transmission cooler is an essential component for any vehicle. After experiencing transmission overheating and damage on multiple occasions, I knew that I needed a reliable solution to prevent future problems. That’s when I discovered the Hayden 679 Transmission Cooler.

One of the main reasons why I love this particular transmission cooler is its efficiency in dissipating heat. The Hayden 679 is designed with a stacked-plate design, which allows for maximum cooling capacity. This means that even during long drives or heavy towing, the transmission fluid stays at an optimal temperature, preventing any potential damage to the transmission.

Another reason why this transmission cooler is necessary is its durability. The Hayden 679 is made with high-quality materials that can withstand harsh conditions and extreme temperatures. It also has a durable aluminum construction that ensures long-lasting performance, making it a great investment for any vehicle.

Furthermore, installing the Hayden 679 Transmission Cooler was a breeze. It comes with all the necessary hardware and detailed instructions, which made it easy for me to install it myself without any prior experience. This not only saved me time and money but also gave me peace of mind knowing that my vehicle was

My Buying Guide on ‘Hayden 679 Transmission Cooler’

Hello there! I recently purchased the Hayden 679 transmission cooler for my car and I must say, I am quite impressed with its performance. As a car enthusiast, I understand the importance of having a good quality transmission cooler to keep my vehicle running smoothly. In this buying guide, I will share with you my personal experience with the Hayden 679 transmission cooler and why it is a great investment for any car owner.

What is a Transmission Cooler?

Before diving into the specifics of the Hayden 679, let’s first understand what a transmission cooler is. A transmission cooler is an essential component in a vehicle’s cooling system that helps to regulate the temperature of the transmission fluid. It does this by passing the hot transmission fluid through a series of tubes where it is cooled by air or liquid before returning to the transmission. This process helps to prevent overheating and prolongs the life of your transmission.

Why Choose Hayden 679 Transmission Cooler?

Now that you know what a transmission cooler does, let me tell you why I chose the Hayden 679 over other options in the market.

Efficient Cooling

The Hayden 679 transmission cooler is designed for heavy-duty applications and has been proven to reduce transmission temperatures by up to 33%. This means that even on long drives or when towing heavy loads, your transmission will stay cool and perform at its best.

Durable Construction

The Hayden 679 is made with high-quality materials that make it durable and long-lasting. The cooler features aluminum construction with brazed copper tubing and precision die-cast end tanks. These components are resistant to corrosion and can withstand high pressure and temperature levels, ensuring that your cooler will last for years to come.

Easy Installation

I am not very savvy when it comes to car mechanics, so one of my main concerns was how easy it would be to install the Hayden 679 myself. To my surprise, it was effortless! The kit comes with all necessary hardware and clear instructions that made installation a breeze. It took me less than an hour to install it on my own without any prior experience.

Fits Most Vehicles

The Hayden 679 comes in various sizes to fit different types of vehicles. Whether you have a compact car or a heavy-duty truck, there is a size available for your specific needs. Make sure to check your vehicle’s specifications before purchasing to ensure you get the right size for your car.

In Conclusion

In conclusion, I highly recommend the Hayden 679 Transmission Cooler based on its efficient cooling capabilities, durable construction, easy installation process, and compatibility with most vehicles. It has definitely improved my driving experience by keeping my car’s transmission running smoothly even under extreme conditions. So if you want to protect your vehicle’s transmission and ensure its longevity, consider investing in the Hayden 679 Transmission Cooler.

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Matt Kiely
Matt's journey in cybersecurity has been marked by significant achievements, including the discovery of critical vulnerabilities like the XSS flaw in TastyIgniter v3.0.7. Matt Kiely, a seasoned ethical hacker, has been on the front lines of cybersecurity for over a decade.

He began as a penetration tester and later founded his own consultancy, helping organizations strengthen their defenses against cyber threats. Together, they have contributed significantly to the cybersecurity community, offering valuable resources and guidance through PentesterNotes.

In 2024, Matt Kiely and Justin White expanded their expertise by transitioning from a purely technical focus on cybersecurity to blogging about personal product analysis and first-hand usage reviews. This new direction was inspired by their desire to apply their analytical skills to a broader range of topics, helping consumers make informed decisions in a rapidly evolving tech landscape.