Derale Transmission Coolers - D13225
24-3/4" Long x 1-3/4" wide x 2-1/2" deep, heat exchanger mounts on your vehicle's chassis to provide additional cooling to increase the life of your transmission and improve its overall functioning. Great for hot rods and muscle cars.
Features:
- Improves functioning and overall performance of transmission, power steering or fuel system
- Prevents heat-related failures
- Has built-in turbulators that agitate fluid for more efficient cooling
- Designed with copper tubing expanded into aluminum fins for maximum heat transfer
- Copper is the best material for conducting the heat out of the fluid while aluminum is ideal for transferring and dissipating that heat
- Includes basic hardware kit and 1" offset bracket to provide increased airflow
- Made in USA
Specs:
- Inlets: -6 AN
- Overall dimensions: 24-3/4" long x 1-3/4" wide x 2-1/2" deep
- Distance between mounting holes: 22-3/4"
- Distance between inlets: 1-1/4"
- 1-Year warranty
Perhaps the simplest type of heat exchanger, the tube-fin effectively cools a variety of automotive systems. The concept is simple: Fluid cools as it travels through the core by transferring heat out to the fins. The fins then provide the surface area necessary for sufficient heat exchange to take place, allowing the heat pulled from the fluid to dissipate into the surrounding air. And to think - all this cooling power is compact enough to fit on your vehicle's frame rail! Easy, efficient and convenient.

13225 Derale Frame Rail Fluid Cooler
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- Transmission Cooler Recommendation for a 1999 Ford F-250 Super Duty with 7.3 Liter Powerstroke
- You can certainly use the Derale 24 Inch Frame Rail Fluid Cooler, # D13225, for your 1999 Ford F-250. You would also need Derale Radiator Adapter Fittings, # D13025, for the 7.3 liter Powerstroke. Any transmission cooler will could essentially be considered a remote mount application. I have included a link to the coolers recommended for your truck and engine. I have also included a link to our transmission cooler FAQ article and a video showing a typical installation.
For your truck and the
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