Fuel System

Completely removes the factory filter head utilizing the existing lines. NOW ALUMINUM WITH A BETTER HOSE BARB!

2001 - 2016 GM 2500/3500 HD 6.6L Duramax FASS Factory Fuel Filter Delete

G&R Diesel Billet Aluminum Bottom Sump with Integrated Fuel Return System. This system completely eliminates the need to run the return of yo...

The Next Generation Fuel Air Separation System Quality Engineered to Remove en-trained Air/Vapor, water, and particulates down to 2 micron from di...

FASS FUEL SYSTEMS PF-3001 PARTICULATE FILTER  OUR NEW PARTICULATE FILTER IS RATED @ 144 MICRONS. THE 144 MICRON PARTICULATE FILTER ON THE SUCTION S...

A FASS Fuel Systems can be a beneficial upgrade for your GM Duramax 6.6L diesel engine, this is because your Duramax doesn’t come with a factory li...

AirDog Replacement Water Separator WS100 26.00 AirDog replacement fuel filter FF100-2 23.00

When installing a bottom sump with your AirDog or Fass Pump most trucks end up with a open fuel supply and or return line. Our 5/16", 3/8" or 1/2...

This Water Separator is for Fass Titanium Series Lift Pumps for use with a non-Fass Brand Fuel Filter such as CAT or WIX Filters.  

Original DRP's new design makes installation even simpler. Only one hole to drill in the tank means less chances for a leak. Our sump ring also has...

Sportsman CP3 Exergy Sportsman Replacement CP3 Injection Pump will support up to 650HP on 2001-2016 Duramax applications. For best performance use...

2001-2010 LB7, LLY, LBZ, LMM 2001-2010 LB7, LLY, LBZ, LMM Crew Cab Duramax Fass Fuel System Relocation Mounting Bracket. Relocates the FASS fuel...

Upgrade your AirDog Fuel System with the Fuel Pressure Tee! This new item offers more reliable fuel pressure readings. The fuel pressure tee allo...

FASS FUEL SYSTEMS DIESEL FUEL BULKHEAD AND SUCTION TUBE KIT (STK-1002) Universal Applications, Ford Powerstroke, GM Duramax and Dodge Cummins The S...

CP3K The Fleece Performance CP3K is a modified Duramax LBZ CP3 designed to eliminate the factory fuel flow restriction that begins at 3,000 RPM....

FASS FUEL SYSTEMS DIESEL FUEL TITANIUM SERIES ELECTRIC HEATER KIT (HK-1001) Our Titanium Series Electric Heater Kits are an upgrade for FASS System...

When the fuel temperature drops below 34° Fahrenheit, the thermostatically controlled High Output Fuel Heater Disk will automatically power on. Fue...

*Unless otherwise specified, all prices listed are for the individual component (“each”), not full sets. Also available are custom very large injec...

-8 LLY Bosch Injectors-Copper Washers-O-rings Flow tested and balanced within 1% to offer the absolute smoothest and cleanest running engine. Co...