FREE SHIPPING on orders over $200!*

FASS Diesel Fuel Systems

FASS Diesel Fuel Systems

FASS DIESEL FUEL SYSTEMS.

FASS Diesel Fuel Systems are the number one preferred Fuel Air Separation System selected for use by Pickup and Class 8 owners the world over. FASS Systems are designed to eliminate Air & Vapor trapped in diesel fuel. Our Titanium Signature Series is the most versatile FASS System ever made, and it provides your engine with the cleanest burning fuel possible. Delivering purified fuel without Air & Vapor increases lubricity, which provides extended injector life and maximizes the performance of your engine. FASS products are designed, manufactured, and assembled right here in the United States and we pride ourselves on providing a superior product and amazing customer service. To learn more about our diesel fuel filters, diesel fuel pump, contact us today!

Order any FASS fuel pump from Top Tier Suspensions for your Diesel truck and get free shipping in the Continental United States. Call or click to find a pump that matches your truck today. Free shipping includes TTS wholesale dealer options call for details.

Free shipping based on customer status and delivery terms, some exceptions apply. 

Air Dog, Air Dog Lift Pumps, Pure Flow Air Dog, airdog, airdogliftpumps, pureflowairdog, fass, fueledbyfass, fassfuelsystems, FASS fuel systems, fleece performance, fleeceperformance, airdogdiesel 

FASS Diesel Fuel Systems Filter Pack
FASS FILTER PACK $ 99.00
Quick Shop
FASS Diesel Fuel Systems XL Filter Pack
FASS FILTER PACK XL $ 59.00 $ 56.05
Sale
Quick Shop
FASS TITANIUM SIGNATURE SERIES - FUEL PUMP - FRONT
FASS - Dodge Titanium Signature Series Diesel Fuel Lift Pump 1989-2018 $ 946.32
from $ 699.00
Sale
Quick Shop
FASS TITANIUM SIGNATURE SERIES - FUEL PUMP - FRONT
FASS - GM 6.6L Titanium Signature Series Diesel Fuel Lift Pump 2001+ $ 998.95
from $ 699.00
Sale
Quick Shop

TITANIUM SIGNATURE SERIES EXTREME WATER SEPARATOR
FASS - TITANIUM SIGNATURE SERIES EXTREME WATER SEPARATOR XWS-3002 $ 29.45
Quick Shop
PF-3001 PARTICULATE FILTER
FASS - TITANIUM SIGNATURE SERIES PARTICULATE FILTER PF-3001 $ 20.90
Quick Shop
FASS - Titanium Replacement Water Separator Filter Gray Model
FASS - Titanium Replacement Water Separator Filter Gray Model $ 20.90
Quick Shop
FASS Fuel Systems HD Series Fuel Filter (FF-1003)
FASS - HD Replacement Fuel Filter $ 33.25
Quick Shop

PF-3001XL Extended Length Particulate Filter
FASS - TITANIUM SIGNATURE SERIES PARTICULATE FILTER PF-3001XL $ 25.00 $ 23.75
Sale
Quick Shop
FASS TITANIUM SIGNATURE SERIES - FUEL PUMP - FRONT
FASS - Ford Titanium Signature Series Diesel Fuel Lift Pump 99-19 $ 1,051.58
from $ 749.00
Sale
Quick Shop
XWS-3002XL EXTREME WATER SEPARATOR
FASS - TITANIUM SIGNATURE SERIES EXTREME WATER SEPARATOR XWS-3002XL $ 34.00 $ 32.30
Sale
Quick Shop
FASS Diesel Fuel Systems HD Series Replacement Water Separator (FS-1001)
FASS - HD Replacement Water Separator Filter $ 20.90
Quick Shop

FASS Diesel Fuel Systems
FASS - Duramax Fuel Filter Delete $ 82.00 $ 77.90
Sale
Quick Shop
FASS Diesel Fuel Systems
FASS - Titanium Signature Series for Class 8 Semi Trucks $ 841.05
from $ 649.00
Sale
Quick Shop
FASS FUEL SYSTEMS XWS-5000 1-12" TRANSFER TANK FUEL FILTER (XWS-5000)
FASS - XWS-5000 FUEL FILTER TRANSFER TANK $ 32.00 $ 30.40
Sale
Quick Shop
FASS - TITANIUM SERIES OPTIONAL ELECTRIC DIESEL FUEL HEATER KIT
FASS - TITANIUM SERIES OPTIONAL ELECTRIC DIESEL FUEL HEATER KIT $ 169.00 $ 160.55
Sale
Quick Shop

Titanium Series Optional Electric Diesel Fuel Heater Kit
FASS - HIGH OUTPUT HEATER DISK $ 169.00 $ 160.55
Sale
Quick Shop