FASS Drop-In Series Fuel System
for 2017 to 2025 Ford 6.7L Powerstroke
Please Note: THIS IS NOT A LIFT PUMP! This is an air separation/filtration system that utilizes your factory lift pump.
Please Note: If you have a S&B or Titan Fuel Tank, you will need to purchase our adapter kit PN. DIFSFRDTANKSPCR.
Fits: 2017-2025 Ford F-250, F-350, F-450 6.7L Powerstroke CREW CAB LONG BED and CREW CAB SHORT BED.
Installation on cab and chassis may require modifications. Not compatible with Fuel Sump Kit. No additional items needed for installation. Retains OEM in-tank fuel pump. Designed for crew cab short and long bed trucks.
Overview
The FASS Drop-In Series Diesel Fuel System is engineered to be the most effective filtration solution for the 6.7L Powerstroke. Backed by a limited lifetime warranty, it protects your engine from fuel contamination.
Direct replacement for factory engine fuel filter
Cleaner fuel, better water separation, consistent fuel supply
Ideal for stock and lightly modified trucks
Retains factory-style installation
Key Benefits
Reliability, Simplicity, Protection
Supports stock & modified Powerstroke: ample fuel supply
Injector protection: triples injector and injection pump life
Optimizes combustion, restores HP, maximizes MPG (results vary)
Limited Lifetime Warranty (with registration)
Advanced in-tank filtration technology
Improves reliability: extends injection system life 3x
Maximized horsepower: improved atomization, restored timing
Optimized MPG: more efficient combustion (results vary)
Peace of mind: extreme water separator prevents costly repairs
Extreme cold weather confidence: reliable starts, optional heater kit
Cleaner operation: reduces DPF regens and soot output
Key Features
Retains full functionality of water-in-fuel sensor
Air separation technology
100% drop-in, no modifications needed
Retains factory in-tank lift pump
Performance Radius Cuts (PRC): smoother fuel flow
2-micron absolute filtration: captures finer debris than OEM
Removes over 99% of water from fuel (3rd party verified)
Patented FASS air/vapor removal process
Electric heater options for cold weather reliability
Limited Lifetime Warranty (with registration)
Technical Highlights
Water Separation: Eliminates over 99% of water
Air/Vapor Removal: Removes entrained air/vapor
2 Micron Absolute Filtration: Microglass media removes finer debris
Mass Flow Return (MFR): Unused fuel is polished and returned to tank
Why Choose FASS?
FASS designs fuel systems for longevity, reliability, and real-world use. The Drop-In Series is for diesel owners seeking proven filtration and injector protection without changing their truck’s character. It’s a smart upgrade for daily drivers and work trucks.