The factory transmission cooler on the 2011-2016 Ford 6.7L Powerstroke is a liquid-to-liquid design - transmission fluid is cooled by engine coolant, which means fluid temperatures can only ever get as low as the coolant they run against. Under the sustained load of towing and hauling in hot weather, that ceiling disappears fast, and heat is what wears a transmission out. The Mishimoto Heavy-Duty Transmission Cooler solves the problem at its source: an included bypass component eliminates the factory liquid-to-liquid cooler entirely and routes fluid to a dedicated air-cooled core.----Freed from the engine coolant circuit, transmission fluid is now cooled directly by the airstream through a robust tube-and-fin aluminum core built to withstand sustained towing heat and constant thermal cycling. Turbulated internal fins keep fluid moving across more cooling surface for consistent temperatures pull after pull - a real advantage in hot climates and under heavy load. The kit includes application-specific fluid hard lines that route to the new cooler for a secure, leak-free connection, making for a clean, complete upgrade with no custom plumbing.----Direct fit for the 2011-2016 Ford 6.7L Powerstroke, installed with the included application-specific hard lines. No fabrication required. Backed by the Mishimoto Lifetime Warranty.

• Built for hot climates and heavy towing - a dedicated tube-and-fin core sheds transmission heat straight into the airstream, holding fluid temps down where the stock liquid-to-liquid setup runs out of headroom.
• Cools trans fluid with air, not hot coolant - the included bypass eliminates the factory liquid-to-liquid cooler, so fluid temperatures no longer climb with engine coolant under towing and load.
• Robust tube-and-fin construction built to last - a durable all-aluminum core stands up to the sustained towing heat and constant thermal cycling that wear factory cooling hardware over time.
• Application-specific hard lines included - the kit ships with model-specific fluid hard lines that route to the new cooler for a secure, leak-free connection with no custom plumbing.
• Drops in for the 6.7L Powerstroke - confirmed direct fit for 2011-2016 Ford 6.7L Powerstroke trucks using the included application-specific hard lines, with no fabrication required.
• Turbulated internal fins steady your fluid temps - the internal fin design keeps transmission fluid moving across more cooling surface for consistent temperatures pull after pull.
• Own it for life - backed by Mishimoto's Lifetime Warranty, your investment is protected long after install day.

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