FASS Fuel Systems

FASS Diesel Fuel Systems & Parts

  • FASS Fuel Systems® - Fuel Suction Tube Kit
    FASS Fuel Systems®Fuel Suction Tube Kit
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    # sp223527
    Fuel Suction Tube Kit by FASS Fuel Systems®. FASS Fuel Systems Bulkhead Fittings are machined from 6061 T-6 Billet Aluminum. Convoluted Suction Tubes are designed to function as both a suction point and a fuel return port for your FASS...
    Both Suction Tube and Return PortIncrease Fuel Delivery
    $84.55 - $94.05
  • FASS Fuel Systems® - Replacement Banjo Bolts
    FASS Fuel Systems®Replacement Banjo Bolts
    0
    # sp231204
    Replacement Banjo Bolts by FASS Fuel Systems®. Make your vehicle faster and more powerful with premium-quality performance fuel system parts stocked on our website. Manufactured using the highest grade materials and the latest...
    High quality at an affordable priceExpertly made from premium materials
    $51.30
  • FASS Fuel Systems® - Mounting Package
    FASS Fuel Systems®Mounting Package
    0
    # sp95405
    Mounting Package by FASS Fuel Systems®. Make your vehicle faster and more powerful with premium-quality performance fuel system parts stocked on our website. Manufactured using the highest grade materials and the latest technology, they...
    High quality at an affordable priceExpertly made from premium materials
    $23.75 - $226.10
  • FASS Fuel Systems® - Titanium Signature™ Diesel Fuel Lift Pump
    FASS Fuel Systems®Titanium Signature™ Diesel Fuel Lift Pump
    0
    # sp215554
    Titanium Signature™ Diesel Fuel Lift Pump by FASS Fuel Systems®. The Titanium Signature Series diesel fuel system was engineered by FASS Diesel Fuel Systems to be the top performing, longest lasting and most reliable aftermarket...
    New Whisper TechnologyComplete Replacement Pump
    $699.00 - $949.00
  • FASS Fuel Systems® - Direct Replacement Diesel Fuel Pump
    FASS Fuel Systems®Direct Replacement Diesel Fuel Pump
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    # sp223525
    Direct Replacement Diesel Fuel Pump by FASS Fuel Systems®. Make your vehicle faster and more powerful with premium-quality performance fuel system parts stocked on our website. Manufactured using the highest grade materials and the...
    Larger More Powerful MotorFactory Replacement Pump
    $306.85 - $426.55
  • FASS Fuel Systems® - Duramax Fuel Filter Delete Kit
    FASS Fuel Systems®Duramax Fuel Filter Delete Kit
    0
    # sp234786
    Duramax Fuel Filter Delete Kit by FASS Fuel Systems®. Make your vehicle faster and more powerful with premium-quality performance fuel system parts stocked on our website. Manufactured using the highest grade materials and the latest...
    High quality at an affordable priceExpertly made from premium materials
    $77.90
  • FASS Fuel Systems® - Fuel Suction Tube Upgrade Kit
    FASS Fuel Systems®Fuel Suction Tube Upgrade Kit
    0
    # sp231203
    Fuel Suction Tube Upgrade Kit by FASS Fuel Systems®. Make your vehicle faster and more powerful with premium-quality performance fuel system parts stocked on our website. Manufactured using the highest grade materials and the latest...
    High quality at an affordable priceExpertly made from premium materials
    $71.25
  • FASS Fuel Systems® - Signature Series Adjustable Diesel Fuel Lift Pump
    FASS Fuel Systems®Signature Series Adjustable Diesel Fuel Lift Pump
    0
    # sp202734
    Signature Series Adjustable Diesel Fuel Lift Pump by FASS Fuel Systems®. Make your vehicle faster and more powerful with premium-quality performance fuel system parts stocked on our website. Manufactured using the highest grade...
    High quality at an affordable priceExpertly made from premium materials
    $549.00 - $799.00
  • FASS Fuel Systems® - Powerstroke Filter Delete Kit
    FASS Fuel Systems®Powerstroke Filter Delete Kit
    0
    # sp238833
    Powerstroke Filter Delete Kit by FASS Fuel Systems®. Designed with big speed fans in mind, this mind-blowing fuel system upgrade will help you maximize engine performance and fuel efficiency. It’s easy to install and will help you...
    Top-grade fuel system upgrade that will take your driving to the next levelDesigned to help you maximize your vehicle’s fuel system efficiency
    $94.05
  • FASS Fuel Systems® - Fuel Suction Tube Kit
    FASS Fuel Systems®Fuel Suction Tube Kit (STK-1003)
    0
    # mpn4722939532
    Fuel Suction Tube Kit (STK-1003) by FASS Fuel Systems®. FASS Fuel Systems Bulkhead Fittings are machined from 6061 T-6 Billet Aluminum. Convoluted Suction Tubes are designed to function as both a suction point and a fuel return port for...
    Both Suction Tube and Return PortIncrease Fuel Delivery
    $94.05
  • FASS Fuel Systems® - Relocation Kit for DRP 02
    FASS Fuel Systems®Relocation Kit for DRP 02 (RK-02)
    0
    # mpn5053816537
    Relocation Kit for DRP 02 by FASS Fuel Systems®. Make your vehicle faster and more powerful with premium-quality performance fuel system parts stocked on our website. Manufactured using the highest grade materials and the latest...
    High quality at an affordable priceExpertly made from premium materials
    $104.50
  • FASS Fuel Systems® - Replacement Banjo Bolts
    FASS Fuel Systems®Replacement Banjo Bolts (BBRK-1002)
    0
    # mpn4773472790
    Replacement Banjo Bolts by FASS Fuel Systems®. Make your vehicle faster and more powerful with premium-quality performance fuel system parts stocked on our website. Manufactured using the highest grade materials and the latest...
    Designed to provide enhanced fuel economyWill increase horsepower and torque of your engine
    $51.30
  • FASS Fuel Systems® - D-Max Diesel Flow Enhancer Fuel Pump
    FASS Fuel Systems®D-Max Diesel Flow Enhancer Fuel Pump (DMAX-7001)
    0
    # mpn4722939674
    D-Max Diesel Flow Enhancer Fuel Pump by FASS Fuel Systems®. Duramax diesel engines do not come with a factory lift pump, this is why Duramax owners see such great performance and economy gains after installing an aftermarket diesel fuel...
    $426.55
  • FASS Fuel Systems® - D-Max Diesel Flow Enhancer Fuel Pump
    FASS Fuel Systems®D-Max Diesel Flow Enhancer Fuel Pump (DMAX-7002)
    0
    # mpn4722939540
    D-Max Diesel Flow Enhancer Fuel Pump by FASS Fuel Systems®. Duramax diesel engines do not come with a factory lift pump, this is why Duramax owners see such great performance and economy gains after installing an aftermarket diesel fuel...
    $407.55
  • FASS Fuel Systems® - Duramax Factory Fuel Filter Delete Kit
    FASS Fuel Systems®Duramax Factory Fuel Filter Delete Kit (DFD-4000)
    0
    # mpn4722939749
    Duramax Factory Fuel Filter Delete Kit by FASS Fuel Systems®. Fuel Filter Replacement Component Type: Housing. Comes with all required hardware for a professional installation. Make your vehicle faster and more powerful with...
    Eliminates Your Factory Fuel FilterSaves Money On Replacement Filters
    $77.90
  • FASS Fuel Systems® - Fuel Suction Tube Kit
    FASS Fuel Systems®Fuel Suction Tube Kit (STK-1002)
    0
    # mpn4722939556
    Fuel Suction Tube Kit (STK-1002) by FASS Fuel Systems®. FASS Fuel Systems Bulkhead Fittings are machined from 6061 T-6 Billet Aluminum. Convoluted Suction Tubes are designed to function as both a suction point and a fuel return port for...
    Both Suction Tube and Return PortIncrease Fuel Delivery
    $84.55
  • FASS Fuel Systems® - Fuel Suction Tube Upgrade Kit
    FASS Fuel Systems®Fuel Suction Tube Upgrade Kit (STK-1003B)
    0
    # mpn4722939562
    Fuel Suction Tube Upgrade Kit (STK-1003B) by FASS Fuel Systems®. Make your vehicle faster and more powerful with premium-quality performance fuel system parts stocked on our website. Manufactured using the highest grade materials and...
    Upgrades Existing Bulkhead KitsIncrease Fuel Delivery
    $71.25
  • FASS Fuel Systems® - Mounting Package
    FASS Fuel Systems®Mounting Package (MP-A9017)
    0
    # mpn4863754273
    Mounting Package (MP-A9017) by FASS Fuel Systems®. Make your vehicle faster and more powerful with premium-quality performance fuel system parts stocked on our website. Manufactured using the highest grade materials and the latest...
    Designed to provide enhanced fuel economyWill increase horsepower and torque of your engine
    $91.20
  • FASS Fuel Systems® - Mounting Package
    FASS Fuel Systems®Mounting Package (MP-A9020)
    0
    # mpn4863754269
    Mounting Package (MP-A9020) by FASS Fuel Systems®. Make your vehicle faster and more powerful with premium-quality performance fuel system parts stocked on our website. Manufactured using the highest grade materials and the latest...
    Designed to provide enhanced fuel economyWill increase horsepower and torque of your engine
    $89.30
  • FASS Fuel Systems® - Mounting Package
    FASS Fuel Systems®Mounting Package (MP-DRP02)
    0
    # mpn4863754268
    Mounting Package (MP-DRP02) by FASS Fuel Systems®. Make your vehicle faster and more powerful with premium-quality performance fuel system parts stocked on our website. Manufactured using the highest grade materials and the latest...
    Designed to provide enhanced fuel economyWill increase horsepower and torque of your engine
    $23.75
  • FASS Fuel Systems® - Mounting Package
    FASS Fuel Systems®Mounting Package (MP-DRP04)
    0
    # mpn4863754208
    Mounting Package (MP-DRP04) by FASS Fuel Systems®. Make your vehicle faster and more powerful with premium-quality performance fuel system parts stocked on our website. Manufactured using the highest grade materials and the latest...
    Designed to provide enhanced fuel economyWill increase horsepower and torque of your engine
    $71.25
  • FASS Fuel Systems® - Mounting Package
    FASS Fuel Systems®Mounting Package (MP-DMAX-7002)
    0
    # mpn4516998519
    Mounting Package (MP-DMAX-7002) by FASS Fuel Systems®. Make your vehicle faster and more powerful with premium-quality performance fuel system parts stocked on our website. Manufactured using the highest grade materials and the latest...
    Designed to provide enhanced fuel economyWill increase horsepower and torque of your engine
    $100.70
  • FASS Fuel Systems® - Mounting Package
    FASS Fuel Systems®Mounting Package (MP-DMAX-7001)
    0
    # mpn4516997730
    Mounting Package (MP-DMAX-7001) by FASS Fuel Systems®. Make your vehicle faster and more powerful with premium-quality performance fuel system parts stocked on our website. Manufactured using the highest grade materials and the latest...
    Designed to provide enhanced fuel economyWill increase horsepower and torque of your engine
    $106.40
  • FASS Fuel Systems® - Relocation Kit for DRP 04
    FASS Fuel Systems®Relocation Kit for DRP 04 (RK-04)
    0
    # mpn5053816530
    Relocation Kit for DRP 04 by FASS Fuel Systems®. Make your vehicle faster and more powerful with premium-quality performance fuel system parts stocked on our website. Manufactured using the highest grade materials and the latest...
    High quality at an affordable priceExpertly made from premium materials
    $61.75
  • FASS Fuel Systems® - Replacement Banjo Bolts
    FASS Fuel Systems®Replacement Banjo Bolts (BBRK-1001)
    0
    # mpn4722940036
    Replacement Banjo Bolts by FASS Fuel Systems®. Make your vehicle faster and more powerful with premium-quality performance fuel system parts stocked on our website. Manufactured using the highest grade materials and the latest...
    Designed to provide enhanced fuel economyWill increase horsepower and torque of your engine
    $51.30
  • FASS Fuel Systems® - Replacement Diesel Fuel Lift Pump
    FASS Fuel Systems®Replacement Diesel Fuel Lift Pump (DRP 04)
    0
    # mpn4722940120
    Replacement Diesel Fuel Lift Pump by FASS Fuel Systems®. Make your vehicle faster and more powerful with premium-quality performance fuel system parts stocked on our website. Manufactured using the highest grade materials and the latest...
    $369.55
  • FASS Fuel Systems® - Replacement Diesel Fuel Lift Pump
    FASS Fuel Systems®Replacement Diesel Fuel Lift Pump (DRP 02)
    0
    # mpn4722939874
    Replacement Diesel Fuel Lift Pump by FASS Fuel Systems®. Make your vehicle faster and more powerful with premium-quality performance fuel system parts stocked on our website. Manufactured using the highest grade materials and the latest...
    $306.85
  • FASS Fuel Systems® - Signature Series Adjustable Diesel Fuel Lift Pump
    FASS Fuel Systems®Signature Series Adjustable Diesel Fuel Lift Pump (FAS F17 240G)
    0
    # mpn5053816495
    Signature Series Adjustable Diesel Fuel Lift Pump (FAS F17 240G) by FASS Fuel Systems®. Make your vehicle faster and more powerful with premium-quality performance fuel system parts stocked on our website. Manufactured using the highest...
    $749.00
  • FASS Fuel Systems® - Signature Series Adjustable Diesel Fuel Lift Pump
    FASS Fuel Systems®Signature Series Adjustable Diesel Fuel Lift Pump (FAS F15 240G)
    0
    # mpn5053816457
    Signature Series Adjustable Diesel Fuel Lift Pump (FAS F15 240G) by FASS Fuel Systems®. Make your vehicle faster and more powerful with premium-quality performance fuel system parts stocked on our website. Manufactured using the highest...
    $799.00
  • FASS Fuel Systems® - Signature Series Adjustable Diesel Fuel Lift Pump
    FASS Fuel Systems®Signature Series Adjustable Diesel Fuel Lift Pump (FAS F16 165G)
    0
    # mpn5053816435
    Signature Series Adjustable Diesel Fuel Lift Pump (FAS F16 165G) by FASS Fuel Systems®. Make your vehicle faster and more powerful with premium-quality performance fuel system parts stocked on our website. Manufactured using the highest...
    $599.00




With over 20 years of manufacturing experience in the diesel fuel industry, FASS Fuel Systems soars miles ahead of the pack with its highly efficient performance filtration products. The brand offers the “cleanest” Fuel Air Separation Systems (FASS) and the “quietest” electric diesel fuel pumps ever made. FASS takes great pride in their state-of-the-art filtration technology that helps maximize engine performance and injectors lifespan. Die-hard engine builders and performance junkies all over the world rely on FASS when it comes to superior diesel parts.

The idea for FASS was born in the early ‘90s when Brad Ekstam decided to build a top-of-the-line fuel/air separation system. In 2003, he started making FASS fuel systems in his own garage, using his knowledge in the anatomy of the ride. Thanks to Brad’s relentless passion and enthusiasm, innovative FASS products instantly earned the respect from diesel gearheads. From its humble beginnings in the garage to modern facilities in Marthasville, MO, FASS has evolved into the world-renowned leader in performance diesel fuel systems. With FASS, you can fuel up your diesel passion, from pickup truck to Class 8.

FASS Diesel Fuel Systems is your trusted choice for performance diesel parts, from high-efficiency fuel filter & water separation systems to cutting-edge fuel pumps, to replacement filters. The brand goes the extra mile with a host of breakthrough features such as FASS Silencing Technology (FST), Performance Radius Cuts (PRC), and Mass Flow Return (MFR). Rely on FASS Fuel Systems products to unleash your diesel beast under the hood while safeguarding your injectors and boosting fuel economy. These second-to-none filtration systems are specially designed to keep air, vapor, and dirt where they belong – out of your fuel. Treat your engine with the cleanest burning fuel possible using the most versatile FASS Fuel Systems Titanium Series. This is the key to huge jumps in horsepower and torque, as well as quick cold weather starts.

If you want to uncork the unbridled power lurking within the hood, FASS Fuel Systems is right up your alley. The brand pushes the limits of design and innovation to give your rev-happy diesel engine the purified fuel it needs to run at its peak for billions of miles to come. FASS air/ fuel filtration systems are just the way to adjust your vehicle's performance from meek to mean while increasing your engine's reliability. The brand stands out for making competition-grade Gerotor specific fuel pumps that last up to 700,000+ miles. When FASS performance pumps and filters work in tandem, you can enjoy the cleanest and the quietest rides ever. They're sure to help lower EGT’s, as well as bring harmful carbon monoxide and carbon dioxide emissions down. FASS diesel products are built with American ingenuity and precision, from bullet-proof strong 6061 T-6 Aircraft quality aluminum. They’re in the league of their own when it comes to astounding operation under the most challenging conditions. Whether it’s a Class 8 hauling Pittsburgh steel or a pickup truck in the cattle country, FASS Diesel Fuel Systems has got you covered with the highest quality parts built to last. At FASS Fuel Systems, they take great pride that their parts are designed, machined, and assembled in the USA. This way they Pledge their allegiance to the Flag of America and guarantee that diesel vehicles powering the industry will get the performance they deserve.

FASS Fuel Systems Reviews

8 reviews
4 of 5
Good Lift Pump!
Awesome lift pump! My pickup had one on when I got it, but the pump motor went out and I had to replace it. No telling how long it lasted.
Posted by Evan (Green Forest, AR) / January 20, 20222008 Chevy Silverado 2500
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