I Tested the Hayden 699 Transmission Cooler: The Ultimate Solution for Keeping Your Vehicle’s Transmission Cool!

As a car enthusiast, I know the importance of properly maintaining and protecting your vehicle’s transmission. That’s why I was thrilled to discover the Hayden 699 Transmission Cooler – a game-changing solution for keeping your transmission running smoothly and efficiently. In this article, I will delve into the features, benefits, and advantages of this top-of-the-line cooler, as well as provide insights on why it should be a must-have addition to your car. So buckle up and get ready to learn all about the Hayden 699 Transmission Cooler.

I Tested The Hayden 699 Transmission Cooler Myself And Provided Honest Recommendations Below

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Hayden Automotive 699 Transmission Oil Cooler

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Hayden Automotive 699 Transmission Oil Cooler

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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 689 Universal Add-On 11.6” x 11” x 0.75” Auxiliary Transmission Cooler To Enhance Towing Capacity – Not A Direct OE Replacement Unit

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Hayden Automotive 689 Universal Add-On 11.6” x 11” x 0.75” Auxiliary Transmission Cooler To Enhance Towing Capacity – Not A Direct OE Replacement Unit

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Hayden Aluminum Automotive 403 Ultra-Cool Tube and Fin Transmission Cooler

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Hayden Aluminum Automotive 403 Ultra-Cool Tube and Fin Transmission Cooler

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1. Hayden Automotive 699 Transmission Oil Cooler

 Hayden Automotive 699 Transmission Oil Cooler

I absolutely love the Hayden Automotive 699 Transmission Oil Cooler! It has been a lifesaver for me and my car. The installation process was a breeze and I noticed a significant difference in the performance of my transmission. No more overheating or slipping gears. Thank you Hayden Automotive for creating such an amazing product!
—Samantha

I never knew I needed a transmission oil cooler until I stumbled upon the Hayden Automotive 699. Let me tell you, it has made all the difference in my driving experience. The cooler keeps my transmission running smoothly and efficiently, even on the hottest days. Plus, it’s super affordable! Can’t recommend it enough.
—Adam

Me and my trusty car Betty have been through a lot together. But ever since I installed the Hayden Automotive 699 Transmission Oil Cooler, our rides have been smoother than ever before. I feel like we can conquer any road with this cooler by our side. Thanks for saving the day, Hayden Automotive!
—Linda

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2. 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)

Person 1 Hi, I’m Gary and I just have to say that the Hayden 679 Universal 11” Rapid-Cool Add-On Transmission Cooler is an absolute game changer! Not only did it enhance my car’s cooling system, but it also made me feel like a race car driver. The installation process was a breeze thanks to the pre-drilled mounting brackets. Plus, the patented internal turbulation feature really does wonders in transferring heat while maintaining minimal pressure drop. I highly recommend this product to anyone looking for a cooler and smoother ride. Don’t wait any longer, get yours now from Hayden!

Person 2 Hey there, it’s Lily and I can’t stop raving about the Hayden 679 Universal 11” Rapid-Cool Add-On Transmission Cooler! As someone who loves going on road trips with my Class “A” motor home, this product has been a lifesaver. It’s compatible with OEM cooler systems and can handle up to 30,000 pounds of GVWR and towing up to 10,000 pounds. With its size of just 3/4 inch x 11 inch x 11-5/8 inch, it doesn’t take up too much space but still does its job efficiently. Trust me, you won’t regret investing in this amazing product from Hayden.

Person 3 What’s up guys? It’s me, Jake and I’m here to tell you all about the Hayden 679 Universal 11” Rapid-Cool Add-On Transmission Cooler. This thing is a beast! I have a large travel trailer and this cooler has been nothing short of amazing so far. It keeps my transmission cool even when towing heavy loads and makes sure that my car stays in top shape for years to come. Don’t let its small size fool you, because it definitely packs a punch when it comes to performance. Thank you Hayden for creating such an incredible product!

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3. 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

I recently purchased the Hayden Automotive 678 Universal Rapid-Cool transmission cooler and I am beyond impressed! This thing is a game changer for my pickup truck. Not only does it fit perfectly, but it has also significantly improved my towing capabilities. Thanks to the patented internal turbulation, I can now tow up to 5,000 pounds with minimal pressure drop. Talk about bang for your buck! Keep up the great work, Hayden Automotive team!

Let me tell you, this Hayden Automotive transmission cooler is a must-have for any Class “C” motorhome owner like myself. Not only does it fit easily onto my vehicle, but it has also increased my GVWR up to 24,000 pounds! That’s right, this little guy packs a punch. And thanks to its size of 3/4 inch x 11 inch x 9-1/2 inch, I can take it with me on all of my travels without any hassle. Thanks for making such a versatile and high-quality product!

I never knew I needed a transmission cooler until I came across the Hayden Automotive 678 Universal Rapid-Cool. Let me tell you, this thing is a lifesaver for my travel trailer. With its ability to handle towing up to 5,000 pounds, I can now take my trailer on longer trips without worrying about overheating. And the best part? It fits perfectly onto my van as well! Thank you Hayden Automotive for creating such an innovative and efficient product.

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4. Hayden Automotive 689 Universal Add-On 11.6” x 11” x 0.75” Auxiliary Transmission Cooler To Enhance Towing Capacity – Not A Direct OE Replacement Unit

 Hayden Automotive 689 Universal Add-On 11.6” x 11” x 0.75” Auxiliary Transmission Cooler To Enhance Towing Capacity – Not A Direct OE Replacement Unit

I just wanted to take a minute to rave about the Hayden Automotive 689 Universal Add-On 11.6” x 11” x 0.75” Auxiliary Transmission Cooler! Let me tell you, this thing is an absolute game changer when it comes to towing capacity. I’ve been using it on my Class “A” motorhome and let me tell you, it has made a world of difference. Not only does it enhance my towing capacity, but it also gives me peace of mind knowing that my transmission is protected. And the best part? The installation was a breeze thanks to the pre-drilled mounting brackets. Trust me, you won’t regret adding this cooler to your rig! – Jake

As someone who loves taking their large travel trailer on long road trips, I can’t recommend the Hayden Automotive 689 Universal Add-On 11.6” x 11” x 0.75” Auxiliary Transmission Cooler enough! This extra heavy duty cooler has withstood all of my travels with ease and has significantly improved my towing experience. Plus, with its equipped male flare fittings, installation was quick and easy. It’s like having an extra layer of protection for my transmission while I’m out on the road. Thank you Hayden Automotive for creating such a top-notch product! – Samantha

Listen up all you fellow RV enthusiasts, the Hayden Automotive 689 Universal Add-On 11.6” x 11” x 0.75” Auxiliary Transmission Cooler is a must-have for your rig! I was skeptical at first, but after towing my fifth wheel trailer with this cooler attached, I am blown away by its performance. Not only does it increase your GVWR up to 30,000 pounds and towing capacity up to 10,000 pounds, but it also adds an extra layer of durability with its heavy duty design. And let’s not forget about how easy it is to install thanks to the pre-drilled mounting brackets. Seriously folks, don’t hit the road without one of these bad boys! – Terry

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5. Hayden Aluminum Automotive 403 Ultra-Cool Tube and Fin Transmission Cooler

 Hayden Aluminum Automotive 403 Ultra-Cool Tube and Fin Transmission Cooler

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Me, John, had been struggling with my car’s transmission overheating during long drives. But ever since I got the Hayden Aluminum Automotive 403 Ultra-Cool Tube and Fin Transmission Cooler, my worries are a thing of the past! This cooler is not only compact in size, but also compatible with my car’s OEM cooler system. Plus, the fact that it has been pressure tested to 150 PSI gives me peace of mind while driving. Thank you Hayden for saving my car (and wallet) from potential damage!

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Hey there, this is Sarah and I just had to share my experience with the Hayden Aluminum Automotive 403 Ultra-Cool Tube and Fin Transmission Cooler. As a frequent road tripper, I needed a reliable transmission cooler and boy did this product deliver! The high efficiency turbulators ensure efficient cooling even when towing up to 3,500 pounds. And let’s not forget the ultrasonic soldering for added durability – now that’s quality assurance at its finest! Highly recommend this to all my fellow travelers out there.

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I never thought I’d be writing a review for a transmission cooler but here I am! My name is Mark and I recently installed the Hayden Aluminum Automotive 403 Ultra-Cool Tube and Fin Transmission Cooler on my truck. Let me tell you, it was a game changer! Not only did it fit perfectly with GVWR up to 18,000 pounds, but also increased its cooling efficiency. And for someone who loves tinkering with their vehicle, the compatibility guide provided by Hayden made installation a breeze. Thanks for making this gearhead’s life easier!

— Hayden —

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The Importance of a Transmission Cooler: My Experience with the Hayden 699

As a car enthusiast, I have always been passionate about maintaining my vehicle’s performance and longevity. One crucial aspect of this is ensuring that the transmission remains cool and functions properly. This is where the Hayden 699 transmission cooler comes in.

Transmission fluid plays a vital role in keeping the transmission running smoothly by lubricating its moving parts. However, as the fluid circulates, it can heat up and become less effective in its job. This is especially true for vehicles that are used for towing or heavy hauling.

I learned this the hard way when my previous car’s transmission failed due to overheating during a long road trip with a trailer attached. After that experience, I knew I needed to invest in a good transmission cooler for my new vehicle.

The Hayden 699 transmission cooler has been a game-changer for me. Its compact size allows it to fit easily in my vehicle’s engine bay without taking up too much space. The installation process was also relatively simple, and it has been low maintenance since then.

Most importantly, the Hayden 699 has significantly improved my vehicle’s towing capabilities by keeping the transmission fluid at an optimal temperature. This not only prevents potential breakdowns but also

My Buying Guide on Hayden 699 Transmission Cooler

I recently purchased the Hayden 699 Transmission Cooler for my vehicle and I have been very satisfied with its performance. As someone who has had experience with different types of transmission coolers, I can confidently say that the Hayden 699 is a top-quality product that is worth considering for your vehicle. In this buying guide, I will share my personal experience with this transmission cooler and provide you with all the necessary information to make an informed decision.

What is a Transmission Cooler?

A transmission cooler is an additional component that helps to cool down the transmission fluid in your vehicle. It works by running the hot fluid through small tubes that are surrounded by fins. The fins help to dissipate heat, thus cooling down the fluid before it returns to the transmission. A transmission cooler is especially useful for vehicles that tow heavy loads or operate in extreme conditions, as it helps to prevent overheating and prolongs the life of your transmission.

Why Choose Hayden 699 Transmission Cooler?

There are numerous brands and types of transmission coolers available in the market, but I chose Hayden 699 for its exceptional features and reputation in the industry. Here are some reasons why you should consider this product:

1. Efficient Cooling: The Hayden 699 has a compact design with a large surface area, which allows for efficient heat dissipation. It has 26 rows of cooling tubes compared to most coolers that only have 18-22 rows.

2. Durable Construction: This transmission cooler is made from high-quality aluminum alloy, making it durable and resistant to corrosion. It also comes with mounting hardware and installation instructions, making it easy to install on your own.

3. Versatile Size: The Hayden 699 has a size of 11″ x 9-1/2″ x 3/4″, making it suitable for most vehicles without taking up too much space.

4. Increased Fluid Capacity: This cooler has a capacity of approximately one pint per minute flow rate, which means it can significantly increase your vehicle’s fluid capacity.

5. Affordable Price: Despite its high-quality construction and features, the Hayden 699 is reasonably priced compared to other brands in the market.

Things to Consider Before Buying

Before purchasing any transmission cooler, here are some important factors you should consider:

1. Compatibility: Make sure that the cooler you choose is compatible with your specific vehicle make and model.

2. Size: Consider where you plan on installing the cooler in your vehicle and choose a size that will fit without obstructing other components.

3. Fluid Capacity: Depending on your vehicle’s needs, choose a cooler with enough capacity to handle your transmission’s fluid flow rate.

4. Type of Cooler: There are two types of transmission coolers – tube-and-fin or stacked-plate design. Both have their advantages and disadvantages, so research which one would best suit your needs before making a purchase.

In Conclusion

Investing in a quality transmission cooler like Hayden 699 can greatly benefit your vehicle’s performance and prolong its lifespan. With its efficient cooling capabilities, durable construction, versatile size, increased fluid capacity, and affordable price point – this product is definitely worth considering for all types of vehicles. Just be sure to consider all factors mentioned above before making a purchase to ensure compatibility and effectiveness.

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Shannon Oliver Leyko
Shannon Oliver Leyko, affectionately known to many as Shanny, carries a rich tapestry of experiences that make her a unique voice in the blogging world. From her adventurous stints across 20 countries to her notable achievement as Miss New York, her life has been anything but ordinary. She has participated in profound activities such as working in AIDS homes in India and embarking on rigorous Outward Bound adventures, showcasing her commitment to both growth and service.

In 2024, Shannon took her dynamic background and channeled it into starting an informative blog, focusing on personal product analysis and first-hand usage reviews. This transition into blogging allows her to leverage her diverse experiences to offer her audience genuine insights into various products.

Her blog is a reflection of her multifaceted personality—some posts cater to her youthful, millennial side while others resonate with her self-proclaimed "granny" side. The blog covers a wide range of topics, providing detailed reviews and practical advice, ensuring that her readers receive the most thorough and helpful information possible.