Many believe that the key to a great truck is a powerful engine when, in reality, the transmission can make or break a truck. Your 2011+ Ford F-Series equipped with the 6.7L Powerstroke was delivered with enough torque to spin the Earth off its axis. Still, without a sturdy transmission distributing that power, you're left with gear confetti in a transmission fluid stew. In short, maintaining proper temperatures in your Powerstroke is vital to keep it towing, pulling, and hauling to its full potential. It's about time the 6.7L was due for a cooling upgrade.