FASS FUEL SYSTEMS & PARTS
For the diesel enthusiast looking for that special added touch, we stock premium Duramax FASS fuel systems that are designed to deliver superior performance to your engine. These lift pumps can support your engine with fuel for multiple upgrades, as well as provide additional filtration function which serves to improve the effectiveness of your injection pump and injectors, extending their life. The FASS fuel systems will even help clear up injector failure issues associated with Duramax diesel engines.
Excellent Products
Our inventory of FASS fuel systems supports systems with anywhere from stock horsepower (0-600 HP) to highly modified horsepower (1200-1500 HP), so you're sure to find the setup that is appropriate for your engine. We carry the fuel systems, adjustable fuel lift pumps, electrical fuel heater kits, fuel filter replacements, water separators, replacement elements, fuel and water microns, and other essential parts, all available from FASS, a quality name.
Order Today
Browse our selection of Duramax FASS fuel systems and order yours now. We ship most right when we receive them if you order before 2:00 P.M. EST. If you have any questions about our products or inventory, don't hesitate to call us at 724-785-4022 or send us a message and we'll get back to you with an answer as soon as we can. We strive to match our superior products with exceptional customer service. Upgrade your diesel today!
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FASS HB-2001 DROP-IN SERIES HEATER PROBE ADAPTER BUSHING UNIVERSAL
FASS
$11.40FASS Diesel Fuel Systems Drop-In Series Heater Probe Adapter Bushing. Part No: HB-2001 This bushing allows the use of the FASS Heater Probe kit with your FASS Drop-In Series Fuel System. -8 ORB Male to 1/4 inch NPT Female Adapter The FASS Heater Probe...$11.40 -
FASS DIFS32283R DROP-IN SERIES, ELECTRIC HEATER ELEMENT UNIVERSAL
FASS
$118.75FASS Diesel Fuel Systems Drop-In Series, Electric Heater Element (DIFS32283R) Part No.: DIFS32283R Replacement heater element for the HKDIFSHK1001 Heater Kit for the FASS Drop-In Series Systems. This FASS Electric Heater Element will work on the Drop-In...$118.75 -
FASS DIFSHK1001 DROP-IN SERIES ELECTRIC HEATER PROBE KIT UNIVERSAL
FASS
$160.55FASS Diesel Fuel Systems Drop-In Series Electric Heater Probe Kit (DIFSHK1001) Part No: DIFSHK1001 Our Drop-In Series Electric Heater Probe Kits are an upgrade for FASS Systems being used in extremely cold climates. Each FASS Drop-In Series System has...$160.55 -
FASS 32283R REPLACEMENT ELEMENT FOR TITANIUM ELECTRIC HEATER UNIVERSAL
FASS
$118.75FASS Fuel Systems Diesel Electric Heater Replacement Element (32283R) A replacement element for our FASS Electric Heater (HK1001). This item is intended for replacement parts only$118.75 -
FASS CBK1001 HEAVY DUTY PICKUP FRAME CLAMP BRACKET UNIVERSAL
FASS
$71.25FASS Fuel Systems Universal Heavy Duty Pickup Frame Clamp Bracket CBK1001. Part No: CBK1001 If your truck is equipped with a flatbed, utility bed, or if you have a snow plow truck that is subjected to heavy rust and corrosion, this bracket may better...$71.25 -
FASS DFD4000 FACTORY FUEL FILTER DELETE KIT FOR 2001-2016 GM DURAMAX 6.6L LB7/LLY/LBZ/LMM/LML
FASS
$77.90FASS Fuel Systems 2001-2016 Duramax Factory Fuel Filter Delete Canister (DFD4000) Part No: DFD4000 Once you've installed an aftermarket Fuel Filtration System such as our FASS Titanium Series, the use of the factory fuel filter is no longer required and...$77.90 -
FASS FP3000 FILTER PACK UNIVERSAL
FASS
$99.00FASS Fuel Systems Filter Pack FP3000 Part No: FP3000 Perfect for the shop or keeping your garage stocked, each FASS Fuel FP3000 contains two (2) (XWS3002) Extreme Water Separators and two (2) (PF3001) Particulate Filters! Designed with convenience in...$99.00 -
FASS FP3000XL FILTER PACK XL UNIVERSAL
FASS
$56.05FASS Fuel Systems Filter Pack FP3000XL Part No: FP3000XL Perfect for the shop or keeping your garage stocked, each FASS Fuel FP3000 contains one (1) (XWS3002XL) Extreme Water Separator and one (1) (PF3001XL) Particulate Filter! Designed with convenience...$56.05 -
FASS FPR1001 ADJUSTABLE FUEL PRESSURE REGULATOR UNIVERSAL
FASS
$141.55FASS Fuel Systems Adjustable Fuel Pressure Regulator (FPR1001) Part No: FPR1001 The FASS Fuel Systems Adjustable Fuel Pressure Regulator is intended for aftermarket performance applications requiring higher fuel pressures than a typical daily driver...$141.55 -
FASS HK1001 TITANIUM SERIES OPTIONAL ELECTRIC DIESEL FUEL HEATER KIT UNIVERSAL
FASS
$160.55FASS Fuel Systems Diesel Fuel Titanium Series Electric Heater Kit (HK1001) Part No: HK1001 Our Titanium Series Electric Heater Kits are an upgrade for FASS Systems being used in extremely cold climates. Each FASS Titanium Series System has 2 ports for...$160.55 -
FASS HK1002 HIGH OUTPUT HEATER DISK UNIVERSAL
FASS
$160.55High Output Heater Disk (HK1002) Part No: HK1002 When the fuel temperature drops below 34 Degrees Fahrenheit, the thermostatically controlled High Output Fuel Heater Disk will automatically power on. Fuel is then heated by the 300 watt heating element as...$160.55 -
FASS HKS1001 TITANIUM SIGNATURE SERIES DUAL ELECTRIC HEATER KIT SPLITTER UNIVERSAL
FASS
$37.05FASS Titanium Signature Series Dual Electric Heater Kit Splitter Part No: HKS1001 This splitter allows for easy connection if you are utilizing (2) dual FASS Electric Heater Probes (HKS1001).$37.05 -
FASS PF3001 PARTICULATE FILTER UNIVERSAL
FASS
$20.90FASS Fuel Systems PF3001 Particulate Filter (PF3001) Part No: PF3001 Our New Particulate Filter is rated at 144 microns. The 144 Micron Particulate Filter on the suction side will drastically reduce cavitation, increase flow properties, lower the sound...$20.90 -
FASS PF3001XL EXTENDED LENGTH PARTICULATE FILTER UNIVERSAL
FASS
$23.75FASS Fuel Systems PF3001XL Particulate Filter (PF3001XL).Part No: PF3001XLOur New Particulate Filter is rated at 144 microns. The 144 Micron Particulate Filter on the suction side will drastically reduce cavitation, increase flow properties, lower the...$23.75 -
FASS XWS1002 EXTREME WATER SEPARATOR UNIVERSAL
FASS
$38.00FASS Fuel Systems XWS1002 Extreme Water Separator (XWS1002) Part No: XWS1002 Our new, more efficient Extreme Water Separator is rated at 2 microns absolute. The reason our water separator no longer has a drain is because the filter element itself traps...$38.00 -
FASS XWS3002 EXTREME WATER SEPARATOR UNIVERSAL
FASS
$29.45FASS Fuel Systems XWS3002 Extreme Water Separator (XWS3002) Part No: XWS3002. Our New more efficient Extreme Water Separator is rated at 2 microns absolute. The reason our water separator no longer has a drain is because the filter element itself traps...$29.45 -
FASS XWS3002XL EXTENDED LENGTH EXTREME WATER SEPARATOR UNIVERSAL
FASS
$32.30FASS Fuel Systems XWS3002XL Extreme Water Separator (XWS3002XL)Part No: XWS3002XLOur New more efficient Extreme Water Separator is rated at 2 microns absolute. The reason our water separator no longer has a drain is because the filter element itself...$32.30 -
FASS XWS5000 1-12 INCH TRANSFER TANK FILTER UNIVERSAL
FASS
$30.40FASS FUEL SYSTEMS XWS5000 1-12 inch Transfer Tank Fuel Filter (XWS5000). Part No: XWS5000 The FASS XWS5000 Extreme Water Separator Transfer Tank Fuel Filter was designed to remove water, dirt particulates, and rust from your fuel storage tank or fuel...$30.40 -
FASS XWS-3002-XL EXTENDED LENGTH EXTREME WATER SEPARATOR UNIVERSAL
FASS
$32.30FASS Fuel Systems Xws-3002Xl Extreme Water Separator (Xws-3002Xl). Our New More Efficient Extreme Water Separator Is Rated at 2 Microns Absolute. The Reason Our Water Separator No Longer Has A Drain Is Because The Filter Element Itself Traps The Water...$32.30 -
WEHRLI WCF100276 17-21 CHEVROLET L5P DURAMAX RELOCATION MOUNT FASS LIFT PUMP
WEHRLI CUSTOM FABRICATION
$57.232017-2023 L5P Duramax Fass Fuel System Relocation Mounting Bracket. Relocates the FASS fuel system to underneath the truck just in front of the fuel tank. -Mount Bracket-Zinc primer & Semi gloss black powder coat finish$57.23 -
WEHRLI WCF100269 11-16 CHEVROLET 6.6L DURAMAX FASS FUEL SYSTEM RELOCATION BRACKET (CREW CAB ONLY)
WEHRLI CUSTOM FABRICATION
$101.852011-2016 LML Crew Cab Duramax Fass Fuel System Relocation Mounting Bracket. Relocates the FASS fuel system to underneath the truck just before the fuel tank. **NOT COMPATIBLE on a regular cab or extended cab models** -Mount...$101.85 -
WEHRLI WCF100265 01-10 CHEVROLET 6.6L DURAMAX FASS FUEL SYSTEM RELOCATION BRACKET (CREW CAB ONLY)
WEHRLI CUSTOM FABRICATION
$92.152001-2010 LB7, LLY, LBZ, LMM Crew Cab Duramax Fass Fuel System Relocation Mounting Bracket. Relocates the FASS fuel system to underneath the truck on the inside of the driver side frame rail. **NOT COMPATIBLE on regular cab or extended cab...$92.15 -
BD DIESEL 1050348 FLOW-MAX FUEL HEATER KIT-12V 320W-FASS WSP (FS-1001) UNIVERSAL
BD DIESEL
$210.95Prevent cold weather gelling of your fuel system with BD's PTC Heating element. Sandwiched between the water separator, pre-filter and/or the filter head, the BD fuel heater is perfect for cold weather warriors. The premade wiring harness with sealed...$210.95