FASS Diesel Fuel Systems & Parts
- FASS Fuel Systems®Signature Series Adjustable Diesel Fuel Lift Pump (FAS D10 260G)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...$749.00
- FASS Fuel Systems®Signature Series Adjustable Diesel Fuel Lift Pump (FAS D08 250G)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...$699.00
- FASS Fuel Systems®Signature Series Adjustable Diesel Fuel Lift Pump (FAS D02 100G)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...$549.00
- FASS Fuel Systems®Signature Series Adjustable Diesel Fuel Lift Pump (FAS D10 140G)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...$649.00
- FASS Fuel Systems®Signature Series Adjustable Diesel Fuel Lift Pump (FAS D07 100G)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...$599.00
- FASS Fuel Systems®Signature Series Adjustable Diesel Fuel Lift Pump (FAS D05 100G)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...$599.00
- FASS Fuel Systems®Signature Series Adjustable Diesel Fuel Lift Pump (FAS D08 100G)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...$549.00
- FASS Fuel Systems®Titanium Series Replacement Pump (RPT-1010)Titanium Series Replacement 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...$418.00
- FASS Fuel Systems®Titanium Series Replacement Pump (RPT-1006)Titanium Series Replacement 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...$275.50
- FASS Fuel Systems®Titanium Series Replacement Pump (RPT-1007)Titanium Series Replacement 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...$394.25
- FASS Fuel Systems®Titanium Series Replacement Pump (RPT-1005)Titanium Series Replacement 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...$299.25
- FASS Fuel Systems®Titanium Series Replacement Pump (RPT-1008)Titanium Series Replacement 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...$370.50
- FASS Fuel Systems®Titanium Signature Series Electric Heater Replacement Element (32283R)Titanium Signature Series Electric Heater Replacement Element 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...Engineered to help enhance speed and fuel efficiencyDeveloped using innovative technology for outstanding performance$118.75
- FASS Fuel Systems®Wire Extension (WE-1001)Wire Extension by FASS Fuel Systems®.$13.30
- FASS Fuel Systems®Wire Extension (WE-1006)Wire Extension by FASS Fuel Systems®.$33.25
- FASS Fuel Systems®Titanium Series Electric Diesel Fuel Heater Kit (HK-1001)Titanium Series Electric Diesel Fuel Heater Kit by FASS Fuel Systems®. Bring your vehicle’s fuel system back to its top shape with this top-notch part. Designed as a direct-fit replacement of your worn-out or malfunctioning part, it...Designed as a replacement for your worn-out fuel system partWill help optimize your vehicle’s performance and fuel efficiency$160.55
- FASS Fuel Systems®Return Manifold (RM-1001)Return Manifold 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...Built to match your exact requirementsHigh quality you can rely on$17.10
- FASS Fuel Systems®Fuel Filter Mounting Bracket Kit (SFB-1001)Fuel Filter Mounting Bracket 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$113.05
- FASS Fuel Systems®Fuel Filter Mounting Bracket Kit (NDB-1001)Fuel Filter Mounting Bracket 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$76.00
- FASS Fuel Systems®Diesel Fuel System (IND UIM 165G)Diesel Fuel System by FASS Fuel Systems®. The 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 the diesel...FASS air separation port ties into OEM engine fuel returnNo need to purchase an additional fuel line kit$799.00
- FASS Fuel Systems®Diesel Fuel System (IND DD15 290G)Diesel Fuel System by FASS Fuel Systems®. The 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 the diesel...FASS air separation port ties into OEM engine fuel returnNo need to purchase an additional fuel line kit$869.00
- FASS Fuel Systems®Cummins Replacement Fuel Pump (RP-DRP)Cummins Replacement Fuel Pump 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$204.25
- FASS Fuel Systems®DDRP Bolt O-Ring (OR-008)DDRP Bolt O-Ring 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 achieve better...Top-grade fuel system upgrade that will take your driving to the next levelDesigned to help you maximize your vehicle’s fuel system efficiency$2.85
- FASS Fuel Systems®Diesel Fuel Lift Pump Heater Bushing (HB-1001-A)Diesel Fuel Lift Pump Heater Bushing 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...Engineered to help enhance speed and fuel efficiencyDeveloped using innovative technology for outstanding performance$15.10
- FASS Fuel Systems®Duramax Replacement Fuel Pump (RP-DMAX)Duramax Replacement Fuel Pump 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$204.25
- FASS Fuel Systems®Fuel Pump Adapter (FP-1001-A)Fuel Pump Adapter 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,...Engineered to help enhance speed and fuel efficiencyDeveloped using innovative technology for outstanding performance$11.46
- FASS Fuel Systems®Fuel Pump Mount (FB-4001-P)Fuel Pump Mount 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...Engineered to help enhance speed and fuel efficiencyDeveloped using innovative technology for outstanding performance$8.33
- FASS Fuel Systems®Fuel Pump with 0.335 gear (RPTS-3006)Fuel Pump by FASS Fuel Systems®. With 0.335 gear. 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...$299.25
- FASS Fuel Systems®Fuel Pump with 0.335 gear (RPTS-3008)Fuel Pump by FASS Fuel Systems®. With 0.335 gear. 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...$394.25
- FASS Fuel Systems®Fuel Pump with 0.335 gear (RPT-3008)Fuel Pump by FASS Fuel Systems®. With 0.335 gear. 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...$370.50
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.