Fuel System
FASS Fuel Systems Fuel Sump Kit (SK5501) for Most Diesel Applications (cutting required)
The FASS Fuel Sump Kit SK5501 improves fuel delivery for most diesel trucks. It installs with a single hole, eliminates quarter tank issues, and includes suction and return ports for consistent fuel flow.
FASS No-Drop Series 100GPH Fuel System Stock-600HP (NDTSD08100G) for 1998-2004 Cummins 5.9L
Fleece SureFlo® Performance Sending Unit (FPE-SF-CUMM-0304) for 2003–2004 Cummins 5.9L
The Fleece SureFlo Sending Unit FPE-SF-CUMM-0304 is designed for 2003–2004 Cummins 5.9L trucks running aftermarket lift pumps. It installs directly in the factory sending unit location and eliminates the need for drilling the fuel tank or installing a draw straw. The Fleece SureFlo Sending Unit pulls fuel from the bucket assembly to prevent the common ¼ tank fuel starvation issue. With OEM-style connections and universal –8 AN ports, this sending unit provides a clean and reliable fuel system upgrade for Cummins trucks.
Fleece Auxiliary Heated Fuel Filter Kit (FPECUMMHFFBA0318) for 2003-2018 Cummins 5.9L / 6.7L
The Fleece Auxiliary Heated Fuel Filter Kit (FPECUMMHFFBA0318) is a performance upgrade for 2003–2018 Cummins 5.9L and 6.7L diesel engines, designed to improve cold-weather reliability. Featuring a built-in heating element, it prevents fuel gelling and clogging in low temperatures, ensuring consistent engine performance. The kit includes a quality fuel filter and installation hardware, offering better filtration and winter readiness for both daily drivers and work trucks.
Fleece 3/8″ Quick Connect to -8AN Male Adapter (FPE-QUCON-OE-38) for 2003-2018 Cummins 5.9L / 6.7L
The Fleece FPE-QUCON-OE-38 is a durable fuel system adapter designed for 2003–2018 Dodge Ram trucks with 5.9L or 6.7L Cummins diesel engines. It converts the factory 3/8″ quick-disconnect fuel line to a -8AN male fitting, ideal for custom or high-performance fuel system upgrades. Its plug-and-play design ensures easy installation, leak-free operation, and improved fuel flow, making it a popular choice for performance and racing applications.
Fleece Fuel Distribution Block Hose and Fitting Kit (FPE-FFD-RF-HF-KIT-3G) for 2003-2007 Cummins 6.7L
The Fleece Fuel Distribution Block Hose and Fitting Kit (FPE-FFD-RF-HF-KIT-3G) is a performance upgrade for 2003–2007 Dodge Ram trucks with the Cummins 6.7L engine. It replaces the stock fuel system with durable, high-pressure-resistant hoses and AN-style fittings to improve fuel delivery and reliability. Designed for easy installation, it supports enhanced engine performance and is suitable for both daily use and heavy-duty applications.
Fleece Donaldson P553203 Fuel Filters – 12 Pack (FPE-DON-P553203-12) for 1998.5-2018 Cummins 5.9L / 6.7L & 2011-2024 Duramax LML / L5P
The Fleece Donaldson P553203 Fuel Filters (12-Pack) provide high-quality filtration for diesel trucks, compatible with 1998.5–2018 Cummins 5.9L/6.7L and 2011–2024 Duramax LML/L5P engines. Manufactured by Donaldson and distributed by Fleece Performance, these filters meet or exceed OEM standards, ensuring engine protection, fuel system integrity, and long-term reliability. Ideal for fleet maintenance or extended use, the 12-pack offers excellent value and convenience.
Fleece Stainless Steel Fuel Supply Tube Nuts (FPE-CUMM-SSFTN) for 2003-2022 Cummins 5.9L / 6.7L
The Fleece Stainless Steel Fuel Supply Tube Nuts (FPE-CUMM-SSFTN) are precision-machined upgrades for 2003–2022 Cummins 5.9L and 6.7L diesel engines. Made from durable stainless steel, they offer enhanced corrosion resistance and long-term reliability, making them ideal for high-performance or harsh environments. Designed to replace factory nuts, they ensure a secure, leak-free connection between fuel supply tubes and injectors, helping maintain optimal fuel system performance.
