FASS Drop-In Series Diesel Fuel System for Ford 2017-2025 Powerstroke 6.7L

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 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 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 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.