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FASS Fuel Systems

For truck enthusiasts seeking to enhance their vehicle's performance, FASS fuel systems offer a reliable solution. These systems are designed to provide cleaner fuel and better pressure, which translates to better engine efficiency and longevity. With a FASS fuel system from Pure Diesel Power, you can expect improved fuel efficiency and reduced engine wear.

Pure Diesel Power has FASS components for Dodge, Ford, GM/Chevy, and more!

Whether you need a FASS replacement pump or an entire FASS mounting system, you can shop by the vehicle manufacturer to narrow down your selection and find all compatible components.

Trust Pure Diesel Power for top-quality FASS fuel systems.

Brand: FASS by Diesel Performance Products Part Number: RP-DMAX
THIS IS JUST A REPLACEMENT PUMP/ MOTOR, NOT A COMPLETE FUEL PUMP KITIf you are unsure if this product is compatible with your pump please contact Fass with your pump serial number to confirm fitment.Applications:DMAX-7001 Dura-Max Flow Enhancer 01-10DMAX-7002 Dura-Max Flow Enhancer 11-16Fass: R..
$204.25
Brand: FASS by Diesel Performance Products Part Number: DIFSL5P2001
FASS Fuel Systems Drop-In Series Diesel Fuel System 2020-2024 GM (DIFSL5P2001)Fits: 2020-2024 Crew Cab Short Bed L5P DuramaxThe FASS Drop-In Series Diesel Fuel System was engineered by FASS to be the most effective filtration solution for the L5P Duramax. Backed by our limited lifetime warranty, the..
$455.05
Brand: FASS by Diesel Performance Products Part Number: TSD02100G
Titanium Signature Series Diesel Fuel Pump 100GPH Dodge Cummins 5.9L 1989-1993 (TS D02 95G) FASS Whisper Technology (FWT) was engineered to meet the stringent demands of  today’s quiet diesel engines. FASS Whisper Technology was in development and testing for over two and a half years..
$616.55
Brand: FASS by Diesel Performance Products Part Number: FASD02165G
 FASS Fuel Systems Signature Series Adjustable Diesel Fuel System 165GPH Dodge Cummins 5.9L 12 Valve 1989-1993 FASS Fuel Systems Signature Series Adjustable Diesel Fuel Systems are designed to be the most versatile high performance fuel System on the market that allows for adjustable fuel pr..
$599.00
Brand: FASS by Diesel Performance Products Part Number: TSD02165G
Titanium Signature Series Diesel Fuel Pump 165GPH Dodge Cummins 5.9L 1989-1993 (TS D02 165G) FASS Whisper Technology (FWT) was engineered to meet the stringent demands of  today’s quiet diesel engines. FASS Whisper Technology was in development and testing for over two and a half years to meet ..
$664.05
Brand: FASS by Diesel Performance Products Part Number: FA D02 095G
Discontinued (11/21/2023) Adjustable Fuel Pump The most versatile High Performance Fuel Pump (pump only) on the market. The FA's allow the customer to tweak the fuel pressure on the "Fly". The Boost Compensation Port also gives the pump added/more consistent fuel pressure based o..
$0.00
Brand: FASS by Diesel Performance Products Part Number: IND100G
FASS Industrial Series Diesel Fuel System Class 8 Semi Universal 100GPH (IND100G)Part No: IND100GSuperseded Part No: IND 100GThe FASS Industrial Series Diesel Fuel System was engineered by FASS Fuel Systems to be the top-performing, longest-lasting, and most reliable aftermarket filtration System in..
$664.05
Brand: FASS by Diesel Performance Products Part Number: RPTS-1006
THIS IS JUST A REPLACEMENT PUMP/ MOTOR, NOT A COMPLETE FUEL PUMP KITIf you are unsure if this product is compatible with your pump please contact Fass with your pump serial number to confirm fitment.Pump gear size: .335100 GPHFass: RPTS-1006..
$299.25
Brand: FASS by Diesel Performance Products Part Number: RPHD-1001
THIS IS JUST A REPLACEMENT PUMP/ MOTOR, NOT A COMPLETE FUEL PUMP KITIf you are unsure if this product is compatible with your pump please contact Fass with your pump serial number to confirm fitment.Pump gear size: .625150 GPHFass: RPHD-1001..
$299.25
Brand: FASS by Diesel Performance Products Part Number: RPHD-1003
THIS IS JUST A REPLACEMENT PUMP/ MOTOR, NOT A COMPLETE FUEL PUMP KITIf you are unsure if this product is compatible with your pump please contact Fass with your pump serial number to confirm fitment.Pump gear size: .625165 GPHFass: RPHD-1003..
$394.25
Brand: FASS by Diesel Performance Products Part Number: RPTS-1005
THIS IS JUST A REPLACEMENT PUMP/ MOTOR, NOT A COMPLETE FUEL PUMP KITIf you are unsure if this product is compatible with your pump please contact Fass with your pump serial number to confirm fitment.Pump gear size: .625165 GPHFass: RPTS-1005..
$323.00
Brand: FASS by Diesel Performance Products Part Number: RPT-1007
THIS IS JUST A REPLACEMENT PUMP/ MOTOR, NOT A COMPLETE FUEL PUMP KITIf you are unsure if this product is compatible with your pump please contact Fass with your pump serial number to confirm fitment.Pump gear size: .625220 GPHFass: RPT-1007..
$394.25
Brand: FASS by Diesel Performance Products Part Number: RPT-1010
THIS IS JUST A REPLACEMENT PUMP/ MOTOR, NOT A COMPLETE FUEL PUMP KITIf you are unsure if this product is compatible with your pump please contact Fass with your pump serial number to confirm fitment.Pump gear size: .750260 GPHDesigned as a replacement for 200 to 260 GPH fuel ratesFass: RPT-1010..
$418.00
Brand: FASS by Diesel Performance Products Part Number: RPTS-1007
THIS IS JUST A REPLACEMENT PUMP/ MOTOR, NOT A COMPLETE FUEL PUMP KITIf you are unsure if this product is compatible with your pump please contact Fass with your pump serial number to confirm fitment.Pump gear size: .625260 GPHDesigned as a replacement for 200 to 260 GPH fuel ratesFass: RPTS-100..
$418.00
Brand: FASS by Diesel Performance Products Part Number: RPFA-1002
THIS IS JUST A REPLACEMENT PUMP/ MOTOR, NOT A COMPLETE FUEL PUMP KITIf you are unsure if this product is compatible with your pump please contact Fass with your pump serial number to confirm fitment.Pump gear size: .33595 GPHFass: RPFA-1002..
$304.00
Brand: FASS by Diesel Performance Products Part Number: RPHD-1002
THIS IS JUST A REPLACEMENT PUMP/ MOTOR, NOT A COMPLETE FUEL PUMP KITIf you are unsure if this product is compatible with your pump please contact Fass with your pump serial number to confirm fitment.Pump gear size: .33595 GPHFass: RPHD-1002..
$275.50
Brand: FASS by Diesel Performance Products Part Number: RPT-1008
THIS IS JUST A REPLACEMENT PUMP/ MOTOR, NOT A COMPLETE FUEL PUMP KITIf you are unsure if this product is compatible with your pump please contact Fass with your pump serial number to confirm fitment.Pump gear size: .62595 GPHFass: RPT-1008..
$370.50
Brand: FASS by Diesel Performance Products Part Number: RPT-1006
THIS IS JUST A REPLACEMENT PUMP/ MOTOR, NOT A COMPLETE FUEL PUMP KITIf you are unsure if this product is compatible with your pump please contact Fass with your pump serial number to confirm fitment.Pump gear size: .33595 GPHFass: RPT-1006..
$275.50
Brand: FASS by Diesel Performance Products Part Number: RPFA-1001
THIS IS JUST A REPLACEMENT PUMP/ MOTOR, NOT A COMPLETE FUEL PUMP KITIf you are unsure if this product is compatible with your pump please contact Fass with your pump serial number to confirm fitment.Pump gear size: .625Fass: RPFA-1001..
$327.75
Brand: FASS by Diesel Performance Products Part Number: MP-DMAX-7001
Mounting kit/ package for Fass DMAX-7001 pump.Image is a representation.Actual item received may varyFass: MP-DMAX-7001..
$106.40
Brand: FASS by Diesel Performance Products Part Number: FAS C09 1000G
FASS Fuel Systems Signature Series Adjustable Diesel Fuel System 100GPH GM Duramax 6.6L 2001-2016  (FASC09100G)Part No: FAS C09 1000GOur FASS Signature Series Adjustable Diesel Fuel Systems are designed to be the most versatile high-performance fuel System on the market that allows for adjustab..
$549.00
Brand: FASS by Diesel Performance Products Part Number: FASC09165G
FASS Fuel Systems Adjustable Diesel Fuel System 165GPH GM Duramax 6.6L 2001-2016  (FASC09165G)Part No: FASC09165GOur FASS Signature Series Adjustable Diesel Fuel Systems are designed to be the most versatile high-performance fuel System on the market that allows for adjustable fuel pressures to..
$599.00
Brand: FASS by Diesel Performance Products Part Number: TSC10250G
FASS Whisper Technology (FWT) was engineered to meet the stringent demands of  today’s quiet diesel engines. FASS Whisper Technology was in development and testing for over two and a half years to meet FASS Fuel System’s high quality and durability standards. FASS Whisper Technology e..
$759.05
Brand: FASS by Diesel Performance Products Part Number: DIFSRAM2001
FASS Fuel Systems Drop-In Series Diesel Fuel System 2003-2007 RAM 5.9L Cummins (DIFSRAM2001) Fits: 2003-2007 RAM 2500 & RAM 3500 5.9L Cummins The FASS Drop-In Series Diesel Fuel System was engineered by FASS to be the most effective filtration solution for the 5.9L Cummins. Backed by our lim..
$455.05
Brand: FASS by Diesel Performance Products Part Number: CFDB1001K
FASS Fuel Systems Cummins Fuel Distribution Block (CFDB1001K) The FASS Fuel Systems Cummins Fuel Distribution Block is designed for high performance applications that are utilizing up to three CP3s, but can also be used on single or dual CP3 applications.Our uniquely shaped Fuel Distribution Block a..
$349.00
Brand: FASS by Diesel Performance Products Part Number: TSD07100G
Fits:  2005-2010 Dodge Cummins 5.9L/6.7L 2011-2018 Ram Cummins 5.9L/6.7L 2021-2022 Ram 6.7L (Stock to Moderate) This FASS TSD07100G Titanium Signature Series 100GPH Fuel System is the perfect for your truck. The Titanium Signature Series diesel fuel System was bu..
$664.05
Brand: FASS by Diesel Performance Products Part Number: INDDD15290G
FASS Fuel Systems Industrial Series Diesel Fuel System Class 8 Semi 290GPH (INDDD15290G)Part No: INDDD15290GThe Industrial Series Diesel Fuel System was engineered by FASS Fuel Systems to be the top-performing, longest-lasting, and most reliable aftermarket filtration System in the diesel industry. ..
$825.55
Brand: FASS by Diesel Performance Products Part Number: DIFSRAM3001
FASS Fuel Systems Drop-In Series Diesel Fuel System 2007.5-2009 RAM 6.7L Cummins (DIFSRAM3001) Fits: 2007.5-2009 RAM 2500 & RAM 3500 6.7L Cummins The FASS Drop-In Series Diesel Fuel System was engineered by FASS to be the most effective filtration solution for the 6.7L Cummins. Backed by our..
$455.05
Brand: FASS by Diesel Performance Products Part Number: TSF16100G
FASS Fuel Systems Diesel System 2008-2010 Ford Powerstroke 6.4L Titanium Signature Series 100GPH (TSF16100G)Part No: TSF16100GSuperseded Part No: TS F16 100GFitment: Ford F-250/350 Powerstroke 2008-2010The Titanium Signature Series diesel fuel System was engineered by FASS Fuel Systems to be th..
$664.05
Brand: FASS by Diesel Performance Products Part Number: DIFSRAM1001
FASS Fuel Systems Drop-In Series Diesel Fuel System 2010-2018 RAM Cummins (DIFSRAM1001) Fits: RAM 2500, 2010 to 2018 & RAM 3500, 2010 to 2018 The FASS Drop-In Series Diesel Fuel System was engineered by FASS to be the most effective filtration solution for the Cummins. Backed by our limited ..
$455.05
Brand: FASS by Diesel Performance Products Part Number: TSC11100G
FASS Fuel Systems Diesel System 2011-2014 GM Duramax LML 6.6L Titanium Signature Series 100GPH (TSC11100G)Part No: TSC11100GA FASS Fuel Systems can be a beneficial upgrade for your GM Duramax LML diesel engine, this is because your Duramax doesn’t come with a factory System like other diesels. ..
$645.05
Brand: FASS by Diesel Performance Products Part Number: TSF17180F140G
FASS Diesel Fuel System 2011-2016 Ford Powerstroke 6.7L Titanium Signature Series 140GPH (TSF17180F140G)Part No: TSF17180F140GFitment: Ford F-250/F350 Powerstroke 2011-2016The Titanium Signature Series diesel fuel System Featuring our Revolutionary Whisper Technology was engineered by FASS Dies..
$711.55
Brand: FASS by Diesel Performance Products Part Number: TSF17250F220G
FASS Diesel Fuel System 2011-2016 Ford Powerstroke 6.7L Titanium Signature Series 220GPH (TSF17250F220G) Part No: TSF17250F220G Fitment: Ford F-250/350 Powerstroke 2011-2016 The Titanium Signature Series diesel fuel System was engineered by FASS Diesel Fuel Systems to be the top performing,..
$759.05
Brand: FASS by Diesel Performance Products Part Number: TSF17290F240G
FASS Diesel Fuel System 2011-2016 Ford Powerstroke 6.7L Titanium Signature Series 240GPH (TSF17290F240G)Part No: TSF17290F240GFitment: Ford F250/350 Powerstroke 6.7L 2011-2016The Titanium Signature Series diesel fuel System was engineered by FASS Diesel Fuel Systems to be the top performing, lo..
$806.55
Brand: FASS by Diesel Performance Products Part Number: TSD11140F110G
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 filtration system in the diesel industry.  Rated at 110 gallons per hour and backed by our limited lifetime warranty the Titan..
$806.55
Brand: FASS by Diesel Performance Products Part Number: TSC12100G
FASS Fuel Systems Diesel System 2015-2016 GM Duramax LML 6.6L Titanium Signature Series 100GPH (TSC12100G)Part No: TSC12100GSuperseded Part No: TS C12 100GFitment: GM 2500-3500 DuramaxA FASS Fuel Systems can be a beneficial upgrade for your GM Duramax LML diesel engine, this is because your Duramax ..
$664.05
Brand: FASS by Diesel Performance Products Part Number: TSN16140F110G
FASS Titanium Signature Series Diesel Fuel System 110GPH 2016-2019 Nissan Titan (TSN16140F110G) Part No: TSN16140F110G Supersedes Part No.: TS N16 110G The Titanium Signature Series diesel fuel System was engineered by FASS Diesel Fuel Systems to be the top performing, longest lasting, and ..
$759.05
Brand: FASS by Diesel Performance Products Part Number: TSC14140F110G
The Titanium Signature Series diesel fuel pumps are the superior fuel pump and filtration system, in the diesel industry.  This is because here at FASS Fuel Systems we focus on perfecting our pumps and how they are engineered, taking the extra steps that our competitors ignore while they r..
$806.55
Brand: FASS by Diesel Performance Products Part Number: DIFSL5P1001
FASS Fuel Systems Drop-In Series Diesel Fuel System 2017-2024 GM (DIFSL5P1001)Fits: 2017-2019 Crew Cab Short Bed L5P DuramaxFits: 2017-2024 Crew Cab Long Bed L5P DuramaxThe FASS Drop-In Series Diesel Fuel System was engineered by FASS to be the most effective filtration solution for the L5P Duramax...
$426.55
Brand: FASS by Diesel Performance Products Part Number: TSC13180F140G
FASS Titanium Signature Series Diesel Fuel System 140GPH 2017-2019 Duramax L5P (TSC13180F140G)WARNING! This System is designed for the 2017-2019 L5P Duramax WITH AFTERMARKET TUNING!! If the truck is not equipped with an aftermarket tune and the ability to delete specific codes, the vehicle will have..
$759.05
Brand: FASS by Diesel Performance Products Part Number: TSC13250F220G
WARNING! This system is designed for the 2017-2019 L5P Duramax WITH AFTERMARKET TUNING!! If the truck is not equipped with an aftermarket tune and the ability to delete specific codes, the vehicle will have a MIL after the FASS installation. Consult with your calibration supplier prior to the FASS i..
$806.55
Brand: FASS by Diesel Performance Products Part Number: TSC13290F240G
WARNING! This system is designed for the 2017-2019 L5P Duramax WITH AFTERMARKET TUNING!! If the truck is not equipped with an aftermarket tune and the ability to delete specific codes, the vehicle will have a MIL after the FASS installation. Consult with your calibration supplier prior to the FASS i..
$854.05
Brand: FASS by Diesel Performance Products Part Number: TSF18250F220G
FASS Diesel Fuel Systems Titanium Signature Series Diesel Fuel System 220GPH 65PSI Ford Powerstroke 2017-2022 (TSF18250F220G)Part No: TSF18250F220GFitment- Ford F-250,350 Powerstroke 2017-2022The Titanium Signature Series diesel fuel System was engineered by FASS Diesel Fuel Systems to be the top-pe..
$854.05
Brand: FASS by Diesel Performance Products Part Number: TSF18290F240G
FASS Diesel Fuel Systems Titanium Signature Series Diesel Fuel System 240GPH, (65 PSI), Ford Powerstroke 2017-2021, 900-1200hp, (TSF18290F240G)Fitment: Ford F250/F350 Powerstroke 2017-2022The Titanium Signature Series diesel fuel System was engineered by FASS Diesel Fuel Systems to be the top-perfor..
$901.55
Brand: FASS by Diesel Performance Products Part Number: TSF18180F140G
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 filtration system in the diesel industry.  Rated at 140 gallons per hour and backed by our limited lifetime warranty the Titanium S..
$806.55
Brand: FASS by Diesel Performance Products Part Number: DIFSFRD1001
FASS Fuel Systems Drop-In Series Diesel Fuel System 2017-2024 Ford 6.7L Powerstroke (DIFSFRD1001) Fits: 2017-2024 Ford F-250, F-350, F-450 6.7L Powerstroke The FASS Drop-In Series Diesel Fuel System was engineered by FASS to be the most effective filtration solution for the 6.7L Powerstroke. Bac..
$455.05
Brand: FASS by Diesel Performance Products Part Number: TSF19140F110G
18-19 Ford F-150 3.0L Powerstroke FASS Titanium Signature Series 110GPH Fuel System TSF19140F110G The Titanium Series fuel system from FASS has long been hailed as the benchmark in a reliable lift pump for your Ford 3.0L Powerstroke. And with over two years in development, FASS was able to impr..
$806.55
Brand: FASS by Diesel Performance Products Part Number: TSD12100G
FASS Fuel Systems Diesel System 2019-2020 RAM 6.7L Cummins Titanium Signature Series 100GPH (TSD12100G)Part No: TSD12100GSuperseded Part No: TS D12 100GThe Titanium Signature Series diesel fuel System was engineered by FASS Fuel Systems to be the top performing, longest lasting and most re..
$664.05
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Benefits of FASS Fuel Systems

A FASS fuel system represents an essential upgrade for any truck enthusiast aiming to enhance their vehicle's capabilities. These systems are meticulously designed to improve fuel delivery and filtration, ensuring your engine operates smoothly and efficiently. The benefits extend beyond performance, offering long-term savings and reliability for your truck.

  • Increased fuel efficiency: Enhanced filtration leads to cleaner fuel, which means your engine uses fuel more efficiently, providing noticeable savings at the pump.
  • Enhanced engine performance: With optimized fuel pressure, your engine receives the perfect fuel mixture, resulting in better acceleration and overall performance.
  • Improved fuel filtration: FASS fuel systems are known for their superior ability to filter out contaminants, which protects your engine and maintains its health.
  • Lower maintenance costs: Cleaner fuel and better filtration reduce the strain on your engine, leading to fewer breakdowns and lower repair bills.
  • Prolonged engine lifespan: Maintaining optimal fuel conditions helps your engine last longer, giving you more miles and better reliability.
  • Better fuel pressure: Consistent fuel pressure is crucial for performance, and FASS fuel systems ensure that your engine gets the steady supply it needs to run efficiently.

FASS Fuel Systems for Duramax Engines

Upgrading your Duramax engine with a FASS fuel system offers a range of specific enhancements tailored for diesel enthusiasts. These systems are engineered to address the unique demands of Duramax engines, providing not just better performance but also enhanced reliability and longevity.

  • Enhanced Fuel Delivery: The FASS fuel system ensures a consistent and adequate fuel supply, which is crucial for maintaining the performance of high-powered engines. This upgrade is particularly beneficial during heavy towing or high-performance driving scenarios.
  • Reduced Air and Vapor in Fuel: FASS systems incorporate patented air/vapor removal technology that prevents air bubbles from entering the fuel system. This technology not only improves fuel combustion efficiency but also protects the injectors and fuel pump from damage caused by vapor lock or cavitation.
  • Advanced Water Separation: By separating water from diesel fuel, FASS fuel systems significantly reduce the risk of rust and corrosion within the fuel system. This feature is vital for preventing long-term damage and maintaining optimal engine performance.
  • Support for High Horsepower: Designed to accommodate extensive engine modifications, the Titanium Signature Series can support up to 900 horsepower. This makes it an ideal upgrade for Duramax owners who have or are planning extensive engine enhancements.
  • Quiet Operation: The FASS Whisper Technology (FWT) ensures that the fuel system operates quietly, which enhances the driving experience without sacrificing performance. This is particularly appreciated by those who use their trucks for daily driving as well as heavy-duty applications.

By shopping for your FASS fuel system based on your vehicle manufacturer, you're taking a strategic step towards optimizing engine performance, extending the life of your fuel injectors, and improving overall fuel economy.

FASS Fuel Systems: How They Work

If you're finding it challenging to grasp how a FASS diesel fuel system operates, we're here to simplify things for you. Watch this informative video from FASS Diesel Performance for a detailed walkthrough on how their systems purify fuel for optimal engine performance.

How a FASS Fuel System Works

Watch this informative video from FASS Diesel Performance for a detailed walkthrough on how their systems purify fuel for optimal engine performance.

FAQs About FASS Fuel Systems

To help you better understand FASS fuel systems, we've answered some of the most common questions. These FAQs aim to clear up any doubts and provide useful information.

What Is a FASS Fuel System?

A FASS fuel system is an advanced aftermarket fuel pump and filtration system designed to improve fuel flow and engine performance. FASS stands for Fuel Air Separation System. It works by removing air, vapor, and contaminants from diesel fuel, ensuring that only clean fuel reaches the engine. This system consists of several components, including a fuel pump, multiple filtration stages, and a water separator.

How Does a FASS Fuel System Improve Engine Performance?

The FASS fuel system enhances engine performance by improving fuel filtration and maintaining optimal fuel pressure. This leads to more efficient combustion and better engine efficiency. By removing contaminants and air from the fuel, the system ensures a cleaner burn, which improves power output and reduces wear on engine components.

Is a FASS Fuel System Compatible With My Truck?

FASS fuel systems are compatible with a wide range of diesel engines, including Duramax, Cummins, and Powerstroke models. These systems are designed to meet or exceed OEM specifications, making them a versatile upgrade for various truck makes and models.

Can I Install a FASS Fuel System Myself?

While some experienced DIY enthusiasts might be able to install a FASS fuel system, professional installation is recommended for optimal results. The installation process involves following detailed instructions to ensure proper setup and performance. For those less experienced, having a professional handle the installation can help avoid potential issues and ensure the system functions correctly.

How Often Do I Need to Maintain a FASS Fuel System?

Maintenance for an FASS fuel system is relatively minimal. It is recommended that filters and components be periodically checked and replaced according to the manufacturer's guidelines. Regular maintenance helps maintain the system's efficiency and ensures the engine continues to receive clean, high-quality fuel.

Shop Pure Diesel Power for FASS Fuel Systems

Invest in a FASS fuel system to maximize your truck's performance and extend its lifespan. These systems ensure optimal fuel filtration and pressure, providing numerous benefits. If you own a Duramax engine, the Fass fuel system for Duramax is a perfect fit. Don't wait—upgrade your truck with our top-quality FASS fuel systems now.