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FASS-Fuel-Systems.com offers ( FASS ) fuel air separation systems that increase fuel economy, horse power and torque for any number of engines.

FASS Diesel Fuel Systems

FASS Fuel Systems
Cummins

FASS Fuel Systems
Duramax

FASS Fuel Systems
Powerstroke

FASS Fuel Systems

FASS Titanium Signature Series

FASS Drop-In Series - NEW

FASS Adjustable Fuel System Series

FASS DRP / D-MAX Series

FASS Parts and Accessories

Fass Fuel Pump Replacement

FASS Fuel Filters

FASS Fuel Heater

Fass Sump Kit

Fass Fuel Line

FASS Resources

Installing a Fass Fuel System

Fass Fuel Filter Replacement

FASS Warranty

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Vehicle Quick Links

Chevrolet Colorado

2016 - 2020 Duramax 2.8 L

Chevrolet Silverado 2500 / 3500

2020 - 2024 Duramax 6.6 L - L5P 2017 - 2019 Duramax 6.6 L - L5P 2015 - 2016 Duramax 6.6 L - LML 2011 - 2014 Duramax 6.6 L - LML 2001 - 2010 Duramax 6.6 L - LB7 - LLY - LBZ - LMM 1992 - 2000 Turbo Diesel 6.5 L

Dodge D250 / D350 / W250 / W350

1989 - 1993 Cummins 5.9 L

Dodge Ram 2500 / 3500

2007 - 2010 Cummins 6.7 L 2005 - 2007 Cummins 5.9 L 1998.5 - 2004 Cummins 5.9 L 1994 - 1998 Cummins 5.9 L

Ford F150

2018 - 2019 Powerstroke 3.0 L

Ford F-250 / F-350 / F-450

2017 - 2024 Powerstroke 6.7 L 2011 - 2016 Powerstroke 6.7 L 2008 - 2010 Powerstroke 6.4 L 2003 - 2007 Powerstroke 6.0 L 1999 - 2003 Powerstroke 7.3 L

Ford Excursion

2003 - 2007 Powerstroke 6.0 L 1999 - 2003 Powerstroke 7.3 L

GMC Canyon

2016 - 2020 Duramax 2.8 L

GMC Sierra 2500 / 3500

2020 - 2024 Duramax 6.6 L - L5P 2017 - 2019 Duramax 6.6 L - L5P 2015 - 2016 Duramax 6.6 L- LML 2011 - 2014 Duramax 6.6 L- LML 2001 - 2010 Duramax 6.6 L - LB7 - LLY - LBZ - LMM 1992 - 2000 Turbo Diesel 6.5 L

Nissan Titan XD

2016 - 2019 Cummins 5.0 L

RAM 1500

2014 - 2019 EcoDiesel 3.0 L

RAM 2500 / 3500

2021 - 2023 Cummins 6.7 L 2019 - 2020 Cummins 6.7 L 2011 - 2018 Cummins 6.7 L

Industrial / Universal

Class 8 / SEMI
Universal
Heavy-Light Duty
Tractor / Farm Diesel Powered Equipment Competition

FASS Quick Links

FASS Fuel Filters FASS Drop-In Series FASS Fuel Systems FASS D-Max Series FASS DRP Series FASS Fuel Heater FASS Sump Kit FASS Fuel Line FASS Fuel System Install - Videos FASS Install Manual Installing a FASS Fuel System FASS Fuel Filter Replacement FASS Warranty FASS Pump FASS Titanium Fuel Heater
Sump Kit Suction Tube Kit Pump Replacement Relocation Kit Wiring Harness FASS Pickup FASS Semi FASS 165 FASS Fuel FASS Lift Pump FASS Fuel Pump FASS Platinum Diesel Pump FASS Fuel Filter Fuel Pumps FASS Fuel Pumps
Lift Pump FASS Filters FASS System Duramax Lift Pump Cummins Lift Pump FASS 165 Cummins FASS Titanium 165 Diesel Fuel Pump FASS 165 Filters Fuel Systems Fass DDRP Fuel Pump Fass Fuel System Filters Diesel Fuel Heater Discontinued


Electric Fuel Pumps ship Free !
Fuel Pressure Regulators are already built in.
Looking for Lift Pumps? Call: 1-877-834-4702
Fuel System for Semi, Ford, Chevy, Dodge and Universal product available.
Our Fuel System line consists of the Heavy Duty Series,
Titanium Signature Series and Drop-In Series.
Fass Fuel System - Ships FREE !
Fuel System comes with a complete set of instructions.
Fuel Pumps available for immediate delivery.
We offer Fuel Air Separation Systems,
Electric Fuel Pumps and Lift Pumps ...
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Great selection of FASS Fuel Systems in stock and available in FASS Titanium Signature Series, the New FASS Drop-In Series, FASS Adjustable Fuel System Series, FASS Dodge DRP Series, and FASS Duramax D-MAX Series.
All FASS Fuel Systems ship free. Find your FASS Fuel System on sale and purchase here now!