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Item #:
213126
Hayden Automotive 678 Universal Rapid-Cool 9.5 x 11 Add-On Transmission Cooler Not for Direct Replacement of the OE Cooler
Item #:
213126
TTD 462
Price Details
Excluding Shipping & Custom charges ( Shipping and custom charges will be calculated on checkout )
*All items will import from US
In stock
Imported from USA store
QTY:
Order now and get it around Monday, August 17
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Patented Internal Turbulation Increases Heat Transfer With Minimal Pressure Drop
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What Stands Out
Universal Fit
Designed to universally enhance transmission cooling systems, this add-on cooler fits various applications, providing flexibility and easy installation for diverse vehicle owners.
High Efficiency
Rapid-Cool technology ensures superior heat dissipation, reducing the risk of transmission overheating and extending the lifespan of the vehicle's components.
Durable Construction
Built from high-quality materials, this cooler is engineered for longevity, ensuring reliable performance under demanding conditions while offering excellent value for car enthusiasts and everyday drivers.
Product Details
- Size Is 3/4 Inch X 11 Inch X 9-1/2 Inch
- Pick-Up Trucks And Vans, Class "C" Motor Homes , Travel Trailers To 24 Feet
- Gvwr Up To 24,000 Pounds, Towing Up To 5,000 Pounds
- Patented Internal Turbulation Increases Heat Transfer With Minimal Pressure Drop
| Connector Type | Hose Barb |
| Mounting Type | Surface Mount |
| Operation Mode | Automatic |
| Contact Material | Aluminum |
| Brand Name | Hayden Automotive |
| UPC | 036752006786 |
| Unit Count | 1 Count |
| Global Trade Identification Number | 00036752006786 |
| Included Components | Transmisison Cooler |
| Item Type Name | Transmisison Cooler |
| Manufacturer | Hayden Automotive |
| Model | 678 |
| Part Number | 678 |
| Brand | Hayden Automotive |
| Package Weight | 2 Pound |
What's in the box
Transmisison Cooler
Who Should Buy?
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Performance Enthusiasts
Ideal for users enhancing their vehicle's performance through reduced transmission temperatures for better efficiency.
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Heavy Towing
Beneficial for individuals frequently towing heavy loads, as it helps maintain optimal transmission fluid temperatures.
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Vehicle Modifiers
Great for those customizing their vehicles, as it offers additional cooling without replacing the factory parts.
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Stock Vehicles
Not suitable for vehicles that have standard transmission coolers and do not require added cooling capacity.
Product Description
Have any Query? Chat with us
Customer Questions & Answers
-
Question:
What is the purpose of the Hayden Automotive 678 Universal Rapid-Cool Transmission Cooler?
Answer: The Hayden Automotive 678 Universal Rapid-Cool Transmission Cooler is designed to enhance the cooling efficiency of your vehicle's transmission system. By regulating the temperature of the transmission fluid, this cooler prevents overheating, which can lead to diminished performance or failure. Ideal for high-load vehicles or those used in severe conditions, it’s especially beneficial for towing, off-roading, or in hot climates. -
Question:
Can the Hayden 678 cooler be installed on any vehicle?
Answer: Yes, the Hayden Automotive 678 cooler is a universal part, meaning it can be used on a wide variety of vehicles. However, it's crucial to review the specifications and ensure your vehicle’s transmission system can accommodate an add-on cooler. This product is perfect for those looking to boost transmission efficiency without replacing the original cooler, making it versatile for many applications. -
Question:
Does the Hayden 678 cooler require any special modifications for installation?
Answer: Installation of the Hayden Automotive 678 cooler typically does not require significant modifications, but minor adjustments may be necessary depending on your specific vehicle. The cooler comes with basic mounting hardware, making it easier to fit into most engine bays or radiator areas. It is advisable to consult with a professional mechanic or refer to your vehicle’s manual for the best installation practices to achieve optimal performance. -
Question:
What are the dimensions of the Hayden Automotive 678 cooler?
Answer: The Hayden Automotive 678 cooler measures 9.5 inches by 11 inches. These dimensions make it compact enough to fit in various engine compartments while still providing excellent cooling performance. Its size and design allow for effective airflow, which helps in maintaining lower temperatures in your transmission fluid. -
Question:
Is this cooler suitable for heavy towing or off-road applications?
Answer: Absolutely! The Hayden 678 Universal Rapid-Cool Transmission Cooler is particularly beneficial for heavy towing and off-road applications. These activities place additional strain on the transmission, leading to increased fluid temperatures. By utilizing this cooler, you can extend the life of your transmission and ensure more reliable vehicle performance under demanding conditions. -
Question:
How does the Hayden 678 cooler compare to other transmission coolers on the market?
Answer: The Hayden 678 cooler stands out due to its universal fit and robust construction. Unlike some other coolers, which may be limited to specific makes or models, this unit is adaptable to a wide range of vehicles and setups. Its effectiveness in heat dissipation makes it a preferred choice among users experiencing transmission overheating issues. -
Question:
What is the best way to maintain the Hayden Automotive 678 cooler?
Answer: Maintaining the Hayden Automotive 678 cooler largely involves regular inspections for any signs of wear or leaks and ensuring that the air passages are clear from debris. Periodically, you might want to flush the transmission system to prevent fluid buildup, which can impede the cooler's performance. Proper maintenance ensures longevity and efficiency. -
Question:
Can I install the Hayden 678 cooler myself, or should I hire a professional?
Answer: While it's possible to install the Hayden 678 cooler yourself, especially if you have some mechanical aptitude, hiring a professional can ensure the job is done correctly. A qualified mechanic can provide expertise, particularly in routing the transmission lines and ensuring no leaks. If you opt to do it yourself, it's wise to follow detailed instructions or watch tutorial videos. -
Question:
What type of transmission fluid should be used with the Hayden cooler?
Answer: Typically, any standard automatic transmission fluid (ATF) compatible with your vehicle should work well with the Hayden Automotive 678 cooler. It’s important to check your owner's manual for specifications on fluid compatibility and service intervals to maintain optimal performance of both the cooler and the transmission system. -
Question:
Where can I buy the Hayden Automotive 678 Universal Rapid-Cool cooler in Trinidad and Tobago?
Answer: You can purchase the Hayden Automotive 678 Universal Rapid-Cool cooler on Ubuy, a reliable e-commerce platform that offers a wide selection of automotive parts, including transmission coolers. Ubuy provides a straightforward shopping experience to find and order the parts you need, ensuring prompt delivery to your location.
Hayden Automotive Coolers Editorial Review
The Hayden Automotive 678 Universal Rapid-Cool Add-On Transmission Cooler is a versatile and effective option for improving transmission cooling. It has received positive feedback from customers who have used it in various vehicles, including 3rd gen 4runners, 2009 Toyota Tacomas, 2007 Nissan Altimas, and more. The installation process is straightforward, with hardware provided to mount it directly to the back of the radiator. Customers have reported that it does not impact air conditioning performance. In fact, it has helped lower transmission coolant temperature by 20 degrees Fahrenheit while towing. This cooler is universal and can be used with any vehicle as long as there is enough radiator space. Some modifications may be necessary for a perfect fit. Overall, the Hayden Automotive 678 Universal Rapid-Cool Add-On Transmission Cooler is highly recommended as an auxiliary cooler.
Customer Reviews & Ratings
1977 customers ratings
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5 Star
84%
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4 Star
10%
-
3 Star
3%
-
2 Star
1%
-
1 Star
2%
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Pros
- Works great on various vehicles
- Straightforward installation process
- Does not impact air conditioning performance
- Lowers transmission coolant temperature while towing
- Universal fit for any vehicle
Cons
- Some modifications may be needed for a perfect fit
Platform Trust & Buyer Confidence
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Mohammad
Verified buyer
“Excellent quality and original too,when ubuy send original things I will appreciate that ,I very satisfied thank you”
23 July 2026 · via Trustpilot
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“The order and delivery progress was communicated very well. Package arrived within the estimated time. Products arrived as expected in good condition.”
22-Jul-26 · via Trustpilot
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“Good supply of products. Safe payment methods, and shipment worldwide! Genuine products.”
23-Jul-26 · via Trustpilot
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“Was my first time buying a product from Ubuy, but I found it so helpful. This is reliable. Gonna place a new order!”
22 July 2026 · via Trustpilot
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23 July 2026 · via Trustpilot
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TTD 462
Order now and get it around Monday, August 17
This item is not restrict in my country.(Please click on above link if this item is not restrict in your country, So our team will review and allow.)
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Features & Benefits
- Premium style transmission cooler kit
- Compact plate and fin design
- 19 millimeter thick-hose barb fittings offer secure attachment
- Increases heat transfer while minimizing pressure drop
- Contains cooler, hose and mounting hardware
- Suitable for various vehicles with GVWR up to 24,000 pounds and towing up to 5,000 pounds
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