FASS FUEL SYSTEMS & PARTS
Enhance your diesel engine's performance with our extensive selection of Duramax FASS fuel systems and parts. Whether you are a diesel enthusiast or looking to upgrade your engine, our premium FASS fuel systems are designed to deliver superior performance and efficiency.
From lift pumps to fuel filter replacements, water separators to electrical fuel heater kits, we offer a wide range of products to support engines with stock horsepower to highly modified horsepower. Our FASS fuel systems not only provide additional filtration function to improve the effectiveness of your injection pump and injectors but also help prevent injector failure issues associated with Duramax diesel engines.
We pride ourselves on offering top-quality FASS products that are essential for any diesel engine enthusiast. Order your Duramax FASS fuel system today and experience the difference in your engine's performance. With fast shipping and exceptional customer service, we are dedicated to providing you with the best products to upgrade your diesel engine.
Invest in your engine's longevity and performance with our Duramax FASS fuel systems and parts. Browse our selection today and take your diesel engine to the next level!
From lift pumps to fuel filter replacements, water separators to electrical fuel heater kits, we offer a wide range of products to support engines with stock horsepower to highly modified horsepower. Our FASS fuel systems not only provide additional filtration function to improve the effectiveness of your injection pump and injectors but also help prevent injector failure issues associated with Duramax diesel engines.
We pride ourselves on offering top-quality FASS products that are essential for any diesel engine enthusiast. Order your Duramax FASS fuel system today and experience the difference in your engine's performance. With fast shipping and exceptional customer service, we are dedicated to providing you with the best products to upgrade your diesel engine.
Invest in your engine's longevity and performance with our Duramax FASS fuel systems and parts. Browse our selection today and take your diesel engine to the next level!
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FASS HB-2001 DROP-IN SERIES HEATER PROBE ADAPTER BUSHING UNIVERSAL
FASS
$11.40The FASS HB-2001 Drop-In Series Heater Probe Adapter Bushing Universal is a must-have accessory for FASS Diesel Fuel Systems users. This adapter bushing, part number HB-2001, has been specially designed to seamlessly integrate the FASS Heater Probe kit...$11.40 -
FASS DIFS32283R DROP-IN SERIES, ELECTRIC HEATER ELEMENT UNIVERSAL
FASS
$118.75Boost the efficiency and reliability of your FASS Diesel Fuel Systems with the FASS DIFS32283R Drop-In Series Electric Heater Element. This top-quality replacement heater element, designed as part of the HKDIFSHK1001 Heater Kit, ensures your FASS Drop-In...$118.75 -
FASS DIFSHK1001 DROP-IN SERIES ELECTRIC HEATER PROBE KIT UNIVERSAL
FASS
$160.55The FASS Diesel Fuel Systems Drop-In Series Electric Heater Probe Kit (DIFSHK1001) is designed for those operating in extremely cold climates to ensure optimal performance of their FASS Systems. Engineered as a direct upgrade, this heater kit is a...$160.55 -
FASS TSC15180F140G TITANIUM SIGNATURE SERIES DIESEL FUEL SYSTEM 140G (70-75 PSI) FOR 2020-2022 GM DURAMAX 6.6L L5P
FASS
$799.00The FASS TSC15180F140G Titanium Signature Series Diesel Fuel System 140G is the ultimate aftermarket fuel filtration system specifically designed for the 2020-2022 GM Duramax 6.6L L5P engine. Engineered by FASS Fuel Systems, it is unmatched in...$799.00 -
FASS TSC15250F220G TITANIUM SIGNATURE SERIES DIESEL FUEL SYSTEM 220G (70-75 PSI) FOR 2020-2022 GM DURAMAX 6.6L L5P
FASS
$849.00The FASS TSC15250F220G Titanium Signature Series Diesel Fuel System is an exceptional aftermarket fuel filtration system designed specifically for the 2020-2022 GM Duramax 6.6L L5P engine. Backed by a limited lifetime warranty, this system is engineered...$849.00 -
FASS TSC15290F240G TITANIUM SIGNATURE SERIES DIESEL FUEL SYSTEM 240G (70-75 PSI) FOR 2020-2022 GM DURAMAX 6.6L L5P
FASS
$899.00The FASS TSC15290F240G Titanium Signature Series Diesel Fuel System is a game-changer for your 2020-2022 GM Duramax 6.6L L5P engine. Engineered by FASS Fuel Systems to surpass industry standards, this fuel system ensures top performance, exceptional...$899.00 -
FASS DIFSL5P1001 DROP-IN SERIES DIESEL FUEL SYSTEM FOR 2017-2023 GM DURAMAX 6.6L L5P
FASS
$449.00The FASS DIFSL5P1001 Drop-In Series Diesel Fuel System is the ultimate solution designed specifically for the 2017-2023 GM Duramax 6.6L L5P engine. Engineered by FASS Fuel Systems, this system provides unrivaled protection against fuel contamination with...$449.00 -
FASS DIFSL5P2001 DROP-IN SERIES DIESEL FUEL SYSTEM FOR 2020-2023 GM DURAMAX 6.6L L5P
FASS
$479.00The FASS Fuel Systems Drop-In Series Diesel Fuel System for the 2020-2023 GM Duramax 6.6L L5P is a game-changer in diesel fuel filtration technology. Specifically designed for the Crew Cab Short Bed L5P Duramax models, this fuel system, with the part...$479.00 -
FASS 32283R REPLACEMENT ELEMENT FOR TITANIUM ELECTRIC HEATER UNIVERSAL
FASS
$118.75The FASS 32283R Replacement Element for Titanium Electric Heater Universal is the perfect solution for those in need of a replacement element for their FASS Electric Heater (HK1001). Crafted by FASS Fuel Systems Diesel, this high-quality replacement...$118.75 -
FASS CBK1001 HEAVY DUTY PICKUP FRAME CLAMP BRACKET UNIVERSAL
FASS
$71.25The FASS CBK1001 Heavy Duty Pickup Frame Clamp Bracket Universal is the solution for those looking for durability and reliability in their truck equipment. Specifically engineered for trucks with flatbeds, utility beds, or snow plows that are frequently...$71.25 -
FASS COMP330G COMPETITION SERIES 330G (30 PSI MAX) UNIVERSAL
FASS
$1,199.00The FASS Fuel Systems Competition Series 330GPH (30 PSI MAX) Universal is a top-of-the-line diesel fuel system designed for high-performance diesel engines that require a large volume of fuel supply. Engineered for excellence, this Competition Series...$1,199.00 -
FASS COMP360G COMPETITION SERIES 360G (100 PSI MAX) UNIVERSAL
FASS
$1,279.00The FASS COMP360G COMPETITION SERIES 360G (100 PSI MAX) UNIVERSAL is a powerhouse designed to meet the demands of high-performance diesel applications. Part No: COMP360G, this Competition Series System features the revolutionary High-Flow Adjustable...$1,279.00 -
FASS COMP540G COMPETITION SERIES 540G (70 PSI MAX) UNIVERSAL
FASS
$1,349.00The FASS Fuel Systems Competition Series 540GPH (70 PSI MAX) is a powerhouse designed for high-performance diesel applications craving a substantial fuel supply. With its new High Flow Adjustable Regulator, this system can deliver exceptional pressure...$1,349.00 -
FASS DFD4000 FACTORY FUEL FILTER DELETE KIT FOR 2001-2016 GM DURAMAX 6.6L LB7/LLY/LBZ/LMM/LML
FASS
$77.90The FASS DFD4000 Factory Fuel Filter Delete Kit for 2001-2016 GM Duramax 6.6L LB7/LLY/LBZ/LMM/LML is designed to enhance the fuel filtration system for your vehicle. With this innovative product, you can optimize the performance of your Duramax engine...$77.90 -
FASS DMAX7001 DURAMAX DIESEL FUEL SYSTEM FLOW ENHANCER FOR 2001-2010 GM DURAMAX 6.6L LB7/LLY/LBZ/LMM
FASS
$426.55The FASS DMAX7001 Duramax Diesel Fuel System Flow Enhancer is a game-changer for 2001-2010 GM Duramax 6.6L LB7/LLY/LBZ/LMM engines. Designed to address the absence of a factory system for Duramax diesel engines, this flow enhancer from FASS Fuel Systems...$426.55 -
FASS DMAX7002 DURAMAX DIESEL FUEL SYSTEM FLOW ENHANCER FOR 2011-2016 GM DURAMAX 6.6L LML
FASS
$407.55The FASS DMAX7002 Duramax Diesel Fuel System Flow Enhancer is the perfect solution for Duramax owners looking to enhance performance and fuel economy. Specifically designed for 2011-2016 GM Duramax 6.6L engines, this system (Part No: DMAX7002) addresses...$407.55 -
FASS FASC09100G ADJUSTABLE DIESEL FUEL LIFT PUMP 100G FOR 2001-2016 GM DURAMAX 6.6L LB7/LLY/LBZ/LMM/LML
FASS
$549.00The FASS FASC09100G Adjustable Diesel Fuel Lift Pump 100G for 2001-2016 GM Duramax 6.6L LB7/LLY/LBZ/LMM/LML is the ultimate solution for high-performance GM Duramax engines. Specifically designed for the demands of diesel-powered vehicles, this Signature...$549.00 -
FASS FASC09165G ADJUSTABLE DIESEL FUEL LIFT PUMP 165G FOR 2001-2016 GM DURAMAX 6.6L LB7/LLY/LBZ/LMM/LML
FASS
$599.00The FASS FASC09165G Adjustable Diesel Fuel Lift Pump 165G for 2001-2016 GM Duramax 6.6L LB7/LLY/LBZ/LMM/LML is a high-performance fuel system designed to elevate your GM Duramax engine to new levels of power and efficiency.Engineered as part of the FASS...$599.00 -
FASS FASC09250G ADJUSTABLE DIESEL FUEL LIFT PUMP 250G FOR 2001-2016 GM DURAMAX 6.6L LB7/LLY/LBZ/LMM/LML
FASS
$699.00The FASS FASC09250G Adjustable Diesel Fuel Lift Pump 250G for 2001-2016 GM Duramax 6.6L LB7/LLY/LBZ/LMM/LML is a cutting-edge addition to the range of FASS Fuel Systems. Engineered as part of the Signature Series, this fuel system is meticulously crafted...$699.00 -
FASS FASC09290G ADJUSTABLE DIESEL FUEL LIFT PUMP 290G FOR 2001-2016 GM DURAMAX 6.6L LB7/LLY/LBZ/LMM/LML
FASS
$749.00The FASS FASC09290G Adjustable Diesel Fuel Lift Pump 290G is a powerhouse designed for 2001-2016 GM Duramax 6.6L LB7/LLY/LBZ/LMM/LML applications. Engineered to provide high performance and versatility, this Fuel System delivers an impressive 290 gallons...$749.00 -
FASS FP3000 FILTER PACK UNIVERSAL
FASS
$99.00The FASS FP3000 Filter Pack Universal is the perfect solution for those looking to keep their garage or shop stocked with essential maintenance components. This comprehensive pack includes two XWS3002 Extreme Water Separators and two PF3001 Particulate...$99.00 -
FASS FP3000XL FILTER PACK XL UNIVERSAL
FASS
$56.05The FASS FP3000XL Filter Pack XL Universal is a must-have product for any shop or garage looking to maintain a high-performing fuel system. This comprehensive filter pack, part number FP3000XL, includes essential components for optimal system...$56.05 -
FASS FPR1001 ADJUSTABLE FUEL PRESSURE REGULATOR UNIVERSAL
FASS
$141.55The FASS Fuel Systems Adjustable Fuel Pressure Regulator (FPR1001) is a versatile solution designed for aftermarket performance needs demanding higher fuel pressures. Whether it's for drag race vehicles, competition trucks, or high performance marine...$141.55 -
FASS HK1001 TITANIUM SERIES OPTIONAL ELECTRIC DIESEL FUEL HEATER KIT UNIVERSAL
FASS
$160.55The FASS HK1001 Titanium Series Optional Electric Diesel Fuel Heater Kit Universal, also known as Part No: HK1001, is a must-have accessory for FASS Fuel Systems used in frigid conditions. Specifically designed for extremely cold climates, this Electric...$160.55 -
FASS HK1002 HIGH OUTPUT HEATER DISK UNIVERSAL
FASS
$160.55The FASS HK1002 High Output Heater Disk Universal is designed to tackle the challenge of fuel gelling in diesel engines during cold weather conditions. Equipped with a powerful 300-watt heating element, this thermostatically controlled heater disk...$160.55 -
FASS HKS1001 TITANIUM SIGNATURE SERIES DUAL ELECTRIC HEATER KIT SPLITTER UNIVERSAL
FASS
$37.05The FASS HKS1001 Titanium Signature Series Dual Electric Heater Kit Splitter Universal is designed to enhance the efficiency and performance of your fuel system. Compatible with (2) dual FASS electric heater probes, this splitter simplifies the...$37.05 -
FASS PF3001 PARTICULATE FILTER UNIVERSAL
FASS
$20.90The FASS Fuel Systems PF3001 Particulate Filter (PF3001) is a top-of-the-line solution for enhancing the performance and efficiency of your fuel system. With a micron rating of 144, this new particulate filter is designed to deliver superior filtration...$20.90 -
FASS PF3001XL EXTENDED LENGTH PARTICULATE FILTER UNIVERSAL
FASS
$23.75Experience superior fuel filtration with the FASS Fuel Systems PF3001XL Extended Length Particulate Filter. Engineered to meet high standards of quality and performance, this universal filter is designed to deliver optimal results for your vehicle or...$23.75 -
FASS TSC08100G TITANIUM SIGNATURE SERIES DIESEL FUEL SYSTEM 100G 1992-2000 GM 6.5L DETROIT DIESEL
FASS
$679.00The FASS TSC08100G Titanium Signature Series Diesel Fuel System is a revolutionary aftermarket filtration system designed specifically for GM 6.5L Turbo Diesel engines produced between 1992-2000. Engineered by FASS Diesel Fuel Systems, this top-tier fuel...$679.00 -
FASS TSC08165G TITANIUM SIGNATURE SERIES DIESEL FUEL SYSTEM 165G 1992-2000 GM 6.5L DETROIT DIESEL
FASS
$729.00The FASS TSC08165G Titanium Signature Series Diesel Fuel System is the ultimate solution for maximizing the performance and longevity of your 1992-2000 GM 6.5L Turbo Diesel engine. Crafted to be the pinnacle of aftermarket filtration systems, this system...$729.00 -
FASS TSC10100G TITANIUM SIGNATURE SERIES DIESEL FUEL SYSTEM 100G FOR 2001-2010 GM DURAMAX 6.6L LB7/LLY/LBZ/LMM
FASS
$679.00The FASS TSC10100G Titanium Signature Series Diesel Fuel System is the ultimate solution for enhancing the performance of your 2001-2010 GM Duramax 6.6L diesel engine. Designed to address the lack of a factory fuel system in your Duramax, this FASS...$679.00 -
FASS TSC10165G TITANIUM SIGNATURE SERIES DIESEL FUEL SYSTEM 165G FOR 2001-2010 GM DURAMAX 6.6L LB7/LLY/LBZ/LMM
FASS
$729.00The FASS TSC10165G Titanium Signature Series Diesel Fuel System is the ultimate solution for enhancing the performance of your 2001-2010 GM Duramax 6.6L LB7/LLY/LBZ/LMM diesel engine. Designed to address the lack of a factory fuel system in the Duramax,...$729.00 -
FASS TSC10250G TITANIUM SIGNATURE SERIES DIESEL FUEL SYSTEM 250G FOR 2001-2016 GM DURAMAX 6.6L LB7/LLY/LBZ/LMM/LML
FASS
$799.00The FASS TSC10250G Titanium Signature Series Diesel Fuel System is a vital component for your 2001-2016 GM Duramax 6.6L LB7/LLY/LBZ/LMM/LML engine. Unlike other diesel engines, the Duramax does not come equipped with a factory fuel system, putting stress...$799.00 -
FASS TSC10290G TITANIUM SIGNATURE SERIES DIESEL FUEL SYSTEM 290G FOR 2001-2016 GM DURAMAX 6.6L LB7/LLY/LBZ/LMM/LML
FASS
$849.00The FASS TSC10290G Titanium Signature Series Diesel Fuel System is a top-of-the-line upgrade designed specifically for 2001-2016 GM Duramax 6.6L LB7/LLY/LBZ/LMM/LML engines. Unlike factory systems, the FASS Fuel System provides essential support to your...$849.00 -
FASS TSC11100G TITANIUM SIGNATURE SERIES DIESEL FUEL SYSTEM 100G FOR 2011-2014 DURAMAX 6.6L LML
FASS
$679.00The FASS TSC11100G Titanium Signature Series Diesel Fuel System is the ultimate solution for enhancing the performance and longevity of your 2011-2014 GM Duramax LML 6.6L diesel engine. Designed to compensate for the lack of a factory fuel system in your...$679.00 -
FASS TSC11165G TITANIUM SIGNATURE SERIES DIESEL FUEL SYSTEM 165G FOR 2011-2014 DURAMAX 6.6L LML
FASS
$729.00The FASS TSC11165G Titanium Signature Series Diesel Fuel System is the ideal solution for enhancing the performance and longevity of your 2011-2014 GM Duramax LML 6.6L diesel engine. Unlike other diesel engines, the Duramax lacks a factory fuel system,...$729.00 -
FASS TSC12100G TITANIUM SIGNATURE SERIES DIESEL FUEL SYSTEM 100G FOR 2015-2016 DURAMAX 6.6L LML
FASS
$699.00Experience the unmatched power upgrade for your 2015-2016 GM Duramax LML 6.6L diesel engine with the FASS TSC12100G Titanium Signature Series Diesel Fuel System. Designed to address the lack of factory fuel system in your Duramax, the FASS Fuel System...$699.00 -
FASS TSC12165G TITANIUM SIGNATURE SERIES DIESEL FUEL SYSTEM 165G FOR 2015-2016 DURAMAX 6.6L LML
FASS
$749.00The FASS TSC12165G Titanium Signature Series Diesel Fuel System is a powerhouse upgrade designed for 2015-2016 GM Duramax LML 6.6L diesel engines. Crafted by FASS Fuel Systems, this top-of-the-line System provides unrivaled performance and reliability in...$749.00 -
FASS TSC13180F140G TITANIUM SIGNATURE SERIES DIESEL FUEL SYSTEM 140G FOR 2017-2019 DURAMAX 6.6L L5P
FASS
$799.00The FASS Titanium Signature Series Diesel Fuel System 140GPH specifically for the 2017-2019 Duramax L5P (TSC13180F140G) is an industry-leading product engineered to deliver unparalleled fuel system performance. Designed exclusively for Duramax engines...$799.00 -
FASS TSC13250F220G TITANIUM SIGNATURE SERIES DIESEL FUEL SYSTEM 220G FOR 2017-2019 DURAMAX 6.6L L5P
FASS
$849.00The FASS Titanium Signature Series Diesel Fuel System 220GPH for the 2017-2019 Duramax 6.6L L5P (TSC13250F220G) is a top-of-the-line fuel system designed for optimal performance with aftermarket tuning. This innovative system creates a remarkable impact...$849.00 -
FASS TSC13290F240G TITANIUM SIGNATURE SERIES DIESEL FUEL SYSTEM 240G FOR 2017-2019 DURAMAX 6.6L L5P
FASS
$899.00The FASS TSC13290F240G Titanium Signature Series Diesel Fuel System is a game-changer for your 2017-2019 Duramax L5P truck that has aftermarket tuning. With a focus on engineering perfection and unparalleled fuel filtration, FASS Diesel Fuel Systems...$899.00 -
FASS TSC14140F110G TITANIUM SIGNATURE SERIES DIESEL FUEL SYSTEM 110G FOR 2016-2020 GM COLORADO/CANYON 2.8L DURAMAX
FASS
$849.00The FASS TSC14140F110G Titanium Signature Series Diesel Fuel System 110Gph for 2016-2020 GM Colorado/Canyon 2.8L Duramax is a powerful and innovative fuel system designed to meet the demands of today's diesel engines. FASS Fuel Systems takes pride in...$849.00 -
FASS XWS1002 EXTREME WATER SEPARATOR UNIVERSAL
FASS
$38.00The FASS Fuel Systems XWS1002 Extreme Water Separator is the ultimate solution for efficiently filtering water from your system. Boasting a 2-micron absolute rating, this high-performance water separator is designed to ensure only the cleanest fuel flows...$38.00 -
FASS XWS3002 EXTREME WATER SEPARATOR UNIVERSAL
FASS
$29.45The FASS Fuel Systems XWS3002 Extreme Water Separator (XWS3002) sets a new standard for efficient water separation in universal applications. Boasting a 2-micron absolute rating, this advanced water separator is designed to effectively eliminate water...$29.45 -
FASS XWS3002XL EXTENDED LENGTH EXTREME WATER SEPARATOR UNIVERSAL
FASS
$32.30The FASS Fuel Systems XWS3002XL Extreme Water Separator is a state-of-the-art solution designed to efficiently eliminate water particles from your fuel system. With its extended length and superior filtration capabilities, the XWS3002XL is engineered to...$32.30 -
FASS XWS5000 1-12 INCH TRANSFER TANK FILTER UNIVERSAL
FASS
$30.40The FASS XWS5000 1-12 Inch Transfer Tank Filter Universal is a crucial component for ensuring clean and contaminant-free fuel for your equipment. Designed by FASS Fuel Systems, this filter is specifically engineered to effectively remove water, dirt...$30.40 -
FASS XWS-3002-XL EXTENDED LENGTH EXTREME WATER SEPARATOR UNIVERSAL
FASS
$32.30The FASS Fuel Systems XWS-3002XL Extended Length Extreme Water Separator Universal has arrived to elevate your filtration needs. Engineered to perfection, our new and improved Extreme Water Separator is designed to deliver maximum efficiency, rated at an...$32.30 -
WEHRLI WCF100276 17-21 CHEVROLET L5P DURAMAX RELOCATION MOUNT FASS LIFT PUMP
WEHRLI CUSTOM FABRICATION
$57.23The WEHRLI WCF100276 17-21 Chevrolet L5P Duramax Relocation Mount FASS Lift Pump Bracket offers an innovative solution to enhance the performance and efficiency of your 2017-2023 L5P Duramax vehicle. With this smartly designed mounting bracket, you can...$57.23 -
WEHRLI WCF100269 11-16 CHEVROLET 6.6L DURAMAX FASS FUEL SYSTEM RELOCATION BRACKET (CREW CAB ONLY)
WEHRLI CUSTOM FABRICATION
$101.85The WEHRLI WCF100269 11-16 CHEVROLET 6.6L DURAMAX FASS FUEL SYSTEM RELOCATION BRACKET is the perfect solution for relocating your FASS fuel system in your 2011-2016 LML Crew Cab Duramax. Designed to move the FASS fuel system underneath the truck, just...$101.85 -
WEHRLI WCF100265 01-10 CHEVROLET 6.6L DURAMAX FASS FUEL SYSTEM RELOCATION BRACKET (CREW CAB ONLY)
WEHRLI CUSTOM FABRICATION
$92.15The WEHRLI WCF100265 01-10 Chevrolet 6.6L Duramax Fass Fuel System Relocation Bracket is a reliable and durable mounting solution for LB7, LLY, LBZ, and LMM Crew Cab Duramax models from 2001 to 2010. This innovative bracket is designed to relocate the...$92.15 -
BD DIESEL FLOW-MAX FUEL HEATER KIT-12V 320W-FASS WSP (FS-1001) - 1050348
BD DIESEL
$210.95Keep your fuel system running smoothly even in the coldest of weather with the BD Diesel 1050348 Flow-Max Fuel Heater Kit. Designed with BD's PTC heating element, this 12V 320W heater is a must-have for cold climate conditions. By being positioned...$210.95