Mishimoto 08-10 Ford 6.4L Powerstroke Aluminum Degas Tank - Micro-Wrinkle BlackIt's been almost a decade since the first 2008 2010 Ford 6. 4L Powerstroke rolled off the assembly line. A lot can happen to a vehicle in that much time. And, if you're like many 6. 4L Powerstroke owners, your degas tank is looking worse for wear. Over time, the stock plastic tank becomes brittle and cloudy, making it prone to leaks and impossible to see the coolant level. Luckily, Mishimoto has a solution that will look and function in 15 years just