Hayden 676 Transmission Cooler

Just like other Hayden trans coolers, the 676 is designed using a rugged black aluminum plate and fin cooler design that provides superior transmission fluid cooling and efficiency. This allows the cooler to not only disperse heat efficiently to cool your vehicle’s transmission, but can withstand the years of daily road abuse.

The Hayden 676 comes with pre-drilled mounting holes and barb style fittings to make installation quick and easy. If you’re looking for a highly efficient easy to install transmission cooler, the Hayden 676 is perfect for any compact or sub-compact car that does not require extensive transmission cooling. 

Hayden 676 Specs

The Hayden 676 is built with  an 11″ x 6″ x 3/4″ body that is not only large enough to efficiency cool transmission fluid, but is still thin enough to mount in most common locations without much modifications. In addition, the Hayden 676 is rated at 18,000 GVW which provides adequate transmission cooling for smaller cars when used as an external trans cooler.  

For the cost, the Hayden 676 is the perfect option excellent option for those looking to keep transmission temperatures down without breaking the bank.  

Cooler Dimensions: 11″ x 6″ x 3/4″

GVW: 18,000 pounds

Fitting Size: 3/8″ barb 

Recommended Uses

• Daily Driven Sub Compact & Compact Cars

Based solely on the size of the Hayden 676, it is recommended for use on most standard vehicles. With it’s average sized construction, this cooler will easily handle most situations that you will typically encounter. 

Although it is rated to 18,000 GVW, it would be best to tow small loads, since this cooler is better suited or smaller cars.  While this cooler may not be the best for when it comes to extreme situations, it certainly has its place in the daily driven, commuter car category.  

This cooler despite its size is perfect for those looking for added insurance when it comes to controlling trans temps when sitting in traffic on a top day. 

Due to its size, we recommend this cooler be used in addition to the factory transmission cooler within the radiator.  

Hayden 676 Installation

The Hayden 676 comes as a universal trans cooler kit, so installation is dependent on each vehicle.  The kit comes with extra transmission hose, mounting brackets with nuts and bolts, various barb fittings, hose clamps, spacers and mounting ties. Since most people will opt to mount the transmission cooler in front of the air conditioning condenser and  radiator, the mounting pieces will be enough for most installs.  

Since this cooler utilizes barb fittings, it is always recommended to double check the connection to ensure there are no leaks and the hose is secure.

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• Easy To Install
• Plate & Fin Construction
• Includes Complete Installation Kit
• Cost – Can Be Found Under $40

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• Smaller Cooler – Low GVW Rating
• Barb Fittings

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Conclusion

With the combination of being a highly efficient plate and fin style transmission cooler and its  affordability, the Hayden Automotive 676 transmission cooler is by far one of the best small transmission coolers for compact and sub-compact vehicles.  The cooler offers a 18,000 GVW capacity that allows for ample trans cooling in most common applications and has a very low price for the performance. 

Another great benefit the Hayden 676 offers is that it comes with a complete installation kit with extra transmission hose, clamps, and everything else needed for an easy installation.  While the kit comes with various fittings, it might be necessary to purchase additional fittings, depending on how you plan to route the fluid lines.

Overall, if you are looking to added extra transmission fluid cooling capacity, it is hard to beat this cooler. With an average rating of 4.6 stars, it’s easy to see why the Hayden 676 is one of the best transmission coolers in its size.