Sinister Diesel 08-10 Ford 6.4L Powerstroke Coolant Filtration System w/ Wix FilterIt doesn't matter if your 6. 4L Ford Powerstroke engine is brand new or has had a long service life, there are contaminants like casting sand leftover from the manufacturing process, metal shavings, rust, and mineral deposits floating in your coolant that can diminish the heat capacity of your truck's cooling system. Over time, these dangerous deposits can even cause damage to your water pump bearings and the small passages inside your EGR cooler and