Mishimoto 11-19 Ford 6.7L Powerstroke Aluminum Degas Tank - Naturalno more trying to shine a flashlight through a muddy tank. This tank also incorporates internal baffling to ensure coolant stays where it needs to be, even when the road gets rough. The Mishimoto 2011 2019 6. 7L Powerstroke Aluminum Primary Degas Tank is available in a stealthy micro wrinkle black powder coating or natural finish to match any custom theme. Of course, this degas tank is also backed by Mishimoto's Lifetime Warranty. In the unlikely