Frequently Asked Questions about 2017+ Powerstroke fuel filter upgrades!
Jake H • May 14, 2024

You see, diesel fuel is contaminated right from the pump. No matter how expensive it is, the fuel you pump into your Ford Super Duty contains air, water, and debris.


And, while Ford does a LOT of things well, OEM fuel filtration leaves room for improvement. In under an hour, 6.7 Powerstroke owners can drastically upgrade their fuel quality with our Drop-In Series Fuel System.


This is a true bolt-in, hassle-free product—with all of the filtration benefits FASS is known for, including:


  • Over 99% water removal
  • Elimination of air and vapor
  • Debris filtration down to 2 Microns Absolute
  • Restored injection timing
  • Optimized fuel economy (measured improvements will vary)
  • 3x injection system life
  • Sharpened throttle response
  • Maximized horsepower


If you have questions about which fuel filter upgrade is right for your diesel truck, contact us today!

What is a FASS Diesel Fuel Systems No-Drop Kit_Blog Image
By Jake H December 8, 2025
What is a FASS No-Drop Kit? It’s a FASS Diesel Fuel System that includes a Fuel Sump for quick installation and consistent fuel delivery—no tank drop required.
Why your STOCK diesel truck benefits from a FASS Fuel System_Blog Image
By Jake H December 5, 2025
Upgrade to FASS and enjoy 3× injector life, smoother performance, and unmatched 2-micron filtration for your class 8 truck, pickup, or diesel-powered equipment!