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 (NDTSC10100G) For 2001–2010 Duramax 6.6L
DDP 60 Percent Over 100hp Injectors w/Nozzles – Set of 8 (DDPNLB7-100) for 2001-2004 Duramax LB7
$3,715.69The DDP LB7 60 over injector set DDPNLB7-100 is designed for 2001–2004 Duramax LB7 engines. These injectors increase fuel flow by 60 percent and support 750–800 rear wheel horsepower in performance builds. A modified or dual CP3 fuel system and upgraded turbochargers are required. The injectors are sold as a balanced and matched set of eight. This setup is intended for high-horsepower applications rather than towing.
DDP 45% Over 75hp Injectors w/Nozzles (Set of 8) (DDPNLB7-75 ) for 2001- 2004 Duramax LB7
The DDP LB7 75HP injector set DDPNLB7-75 is designed for 2001–2004 Duramax LB7 engines. These injectors increase fuel delivery by 45 percent and can support approximately 75 horsepower gains with proper tuning. Each injector includes precision-matched nozzles to maintain consistent fuel atomization. This balanced set of eight injectors improves throttle response and overall engine performance.
Dynomite Diesel 10-20HP Economy Series Injector Set (DDPNLB7-ECO) for 2001-2004 Duramax LB7
The Dynomite Diesel 10-20HP Economy Series Injector Set DDPNLB7-ECO fits 2001-2004 Duramax LB7 engines. It delivers a 10 to 20 horsepower increase over stock. Improved fuel atomization enhances throttle response and efficiency. Flow-matched injectors ensure consistent performance across all cylinders. This set provides a reliable upgrade for daily driving and light towing.
Fleece 18″ Rail Pressure Sensor Extension Harness (FPE-HAR-RP-EXT) for 2001-2016 Duramax LB7 / LLY / LBZ / LMM / LML& 2003-2012 Cummins 5.9L / 6.7L
The Fleece 18″ Rail Pressure Sensor Extension Harness (FPE-HAR-RP-EXT) is a plug-and-play aftermarket solution for 2001–2016 Duramax and 2003–2012 Cummins engines. It provides an 18-inch extension for easier relocation of the rail pressure sensor during custom builds or fuel system upgrades. Built to OEM specs, it ensures a secure, reliable connection without the need for wire cutting or splicing.
Fleece #4 and #5 high pressure injection line (FPE-FL-LB7-45) for 2001-2004 Duramax LB7
The Fleece #4 and #5 High Pressure Injection Line (FPE-FL-LB7-45) is a durable, high-quality replacement fuel line for 2001–2004 GM Duramax LB7 diesel engines. Designed to replace factory lines prone to cracking and leaks, it offers improved routing and materials for reliable fuel delivery under high pressure. Suitable for both stock and modified engines, it helps ensure long-term performance and reliability.
- Replaces GM Part#97188722
