Fuel System
DDP 60 Percent Over 100hp Injectors w/Nozzles – Set of 8 (DDPNLB7-100) for 2001-2004 Duramax LB7
$3,538.75Duramax 01-04 LB7 Injector SET: Remanufactured injector set at 60% over, capable of 750-800 RWHP. Modified or Dual CP3 and upgraded turbo(s) are mandatory along with custom tuning. Not recommended towing applications. Sold as a balanced & matched set. 1 year unlimited mile warranty.
DDP 45% Over 75hp Injectors w/Nozzles (Set of 8) (DDPNLB7-75 ) for 2001- 2004 Duramax LB7
The DDP 45 Percent Over 75hp Injectors with Nozzles (DDPNLB7-75) are high-performance fuel injectors by Dynomite Diesel Products, designed for 2001–2004 GM Duramax LB7 diesel engines. They provide about 45% more fuel than stock, offering an estimated 75 horsepower gain. Ideal for performance upgrades, towing, or racing, these injectors improve throttle response, power, and engine efficiency. Precision-matched nozzles ensure optimal spray and fuel atomization. Professional installation and tuning are recommended for best results and engine longevity.
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) is a high-quality upgrade for 2001-2004 GM Duramax LB7 engines, offering an extra 10–20 horsepower with improved fuel efficiency and throttle response. Ideal for daily driving and light towing, these precision-built, flow-matched injectors enhance performance without compromising reliability. Easy to install and backed by Dynomite Diesel’s reputation for durability, they’re a cost-effective option for refreshing aging LB7 fuel systems.
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
Fleece #3 and #6 high pressure injection line (FPE-FL-LB7-36) for 2001-2004 Duramax LB7
The Fleece Performance High Pressure Injection Line #3 and #6 (FPE-FL-LB7-36) is a durable, direct-fit replacement for 2001–2004 GM Duramax LB7 diesel engines. Designed to resolve common issues like cracking or leaking in factory lines, it ensures reliable fuel delivery and restores engine performance. Built for both stock and performance applications, it’s a dependable upgrade for maintaining engine longevity and efficiency.
- Replaces GM Part#97188721
Fleece #2 and #7 high pressure injection line (FPE-FL-LB7-27) for 2001-2004 Duramax LB7
The Fleece #2 and #7 High Pressure Injection Line (FPE-FL-LB7-27) is a durable, high-quality replacement for factory injector lines on 2001–2004 GM Duramax LB7 diesel engines. Designed to address common issues with cracking and leakage, it ensures reliable fuel delivery and system performance. Made from corrosion-resistant materials, it is ideal for both routine maintenance and performance upgrades, meeting or exceeding OEM standards.
- Replaces GM Part#97188723
Fleece #1 and #8 high pressure injection line (FPE-FL-LB7-18) for 2001-2004 Duramax LB7
The Fleece Performance Fleece #1 and #8 High Pressure Injection Line (FPE-FL-LB7-18) is a durable, precision-engineered replacement for the factory high-pressure fuel lines on 2001–2004 GM Duramax LB7 diesel engines. Designed to connect the fuel rail to injectors #1 and #8, it addresses issues like corrosion and leaks common in OEM lines. Ideal for injector replacements or fuel system maintenance, this component helps maintain reliable fuel delivery and engine performance.
- Replaces GM Part# 97188720
Fleece CP3 Adapter (FPE-DMAX-CP3-ADPT) for 2001-2016 Duramax 6.6L LB7/ LLY / LBZ / LMM / LML
The Fleece CP3 Adapter (FPE-DMAX-CP3-ADPT) is a precision-engineered component for 2001–2016 GM Duramax 6.6L diesel engines. It enables the replacement of the less reliable factory CP4 fuel pump with a more dependable CP3 pump, particularly beneficial for LML models. Designed for durability and proper fitment, the adapter enhances fuel system reliability and performance, making it ideal for high-horsepower or heavy-duty use.
Fleece Performance Bosch CP3 (FPE-DMAX-CP3) for 2001-2016 Duramax LB7 / LLY / LBZ / LMM / LML
The Fleece Performance Bosch CP3 (FPE-DMAX-CP3) is a durable, high-performance replacement fuel injection pump for 2001–2016 GM Duramax diesel engines (LB7, LLY, LBZ, LMM, LML). Known for its reliability and ability to support higher horsepower, it restores proper fuel pressure and flow, making it a preferred upgrade over the less reliable stock CP4 pumps. Ideal for both replacements and performance upgrades, it’s trusted by diesel enthusiasts and professionals.
Fleece 3/8″ CP3 Return Fitting (FPE-CP3-RTRN) for CP3 fuel pumps
The Fleece 3/8″ CP3 Return Fitting (FPE-CP3-RTRN) is a durable, high-quality aftermarket part designed for CP3 fuel pumps. It ensures a secure, leak-free return line connection to support optimal fuel system performance. Compatible with various fuel setups, it’s ideal for performance upgrades or maintenance. Made by Fleece Performance Engineering, it offers easy installation and reliable operation under demanding conditions.
BD Diesel R900 12MM CP3 Pump (105651) for 2001-2010 Duramax LB7 / LLY / LBZ / LMM
The BD Diesel R900 12MM CP3 Pump (105651) is a high-performance fuel pump designed for 2001–2010 Chevy and GMC Duramax diesel engines (LB7, LLY, LBZ, and LMM). Featuring a 12mm stroke, it provides greater fuel flow than stock pumps, boosting throttle response, power, and efficiency. Supporting up to 900 horsepower with proper modifications, it’s ideal for tuned or modified trucks. The R900 offers factory fitment and reliability, making it a durable and trusted upgrade for diesel performance enthusiasts.
BD Diesel BD Built Injector Stock Standard (1715502) for 2001-2004 Duramax LB7
The BD-Built Duramax LB7 Injector (0986435502) is a remanufactured, high-quality replacement for 2001–2004 Chevy and GMC 2500HD/3500HD trucks with the 6.6L Duramax LB7 engine. Designed to meet or exceed OEM standards, it offers reliable performance, improved fuel atomization, and reduced emissions. Available in Stock and StockPlus versions, it’s ideal for restoring power and fuel economy, making it a trusted choice for both diesel enthusiasts and professionals.
BD Diesel BD Built Injector Stock Premium (1725502) for 2001-2004 Duramax LB7
The BD-Built Duramax LB7 Injector (0986435502) is a remanufactured, high-quality replacement for 2001–2004 Chevy and GMC 2500HD/3500HD trucks with the 6.6L Duramax LB7 engine. Designed to meet or exceed OEM standards, it offers reliable performance, improved fuel atomization, and reduced emissions. Available in Stock and StockPlus versions, it’s ideal for restoring power and fuel economy, making it a trusted choice for both diesel enthusiasts and professionals.
BD Diesel BD Built Injector StockPlus Standard 5-15HP (1714502) for 2001-2004 Duramax LB7
The BD-Built Duramax LB7 Injector (0986435502) is a remanufactured, high-quality replacement for 2001–2004 Chevy and GMC 2500HD/3500HD trucks with the 6.6L Duramax LB7 engine. Designed to meet or exceed OEM standards, it offers reliable performance, improved fuel atomization, and reduced emissions. Available in Stock and StockPlus versions, it’s ideal for restoring power and fuel economy, making it a trusted choice for both diesel enthusiasts and professionals.
BD Diesel BD Built Injector StockPlus Premium 5-15HP (1724502) for 2001-2004 Duramax LB7
The BD-Built Duramax LB7 Injector (0986435502) is a remanufactured, high-quality replacement for 2001–2004 Chevy and GMC 2500HD/3500HD trucks with the 6.6L Duramax LB7 engine. Designed to meet or exceed OEM standards, it offers reliable performance, improved fuel atomization, and reduced emissions. Available in Stock and StockPlus versions, it’s ideal for restoring power and fuel economy, making it a trusted choice for both diesel enthusiasts and professionals.
Sinister Diesel Injector Set (Set of 8) (SDLB7INJK0120) for 2001-2004 Duramax 6.6L LB7
Sinister Diesel remanufactured fuel injectors for the 6.6L Duramax LB7 restore OEM performance in 2001-2004 Chevy/GMC 2500 and 3500HD trucks. These injectors replace worn stock parts, improving fuel delivery, horsepower, and torque at a lower cost than OEM replacements.
Sinister Diesel Injector Package (SDINJPKGLB7) for 2001-2004 Duramax LB7
Sinister Diesel’s Injector Package is designed to strengthen high-performance diesel truck engines by providing a complete set of gaskets and injectors. The package includes ARP head studs, which offer superior clamping force to prevent head gasket failure, and Mahle Motorsport Grade C head gaskets, which ensure a secure seal. The package also contains a full gasket set for all engine components sealing against the cylinder head. Additionally, it includes Sinister Diesel Remanufactured Injectors and matching High-Pressure Fuel Injector Lines, restoring OEM performance at a lower cost than factory replacements.
Sinister Diesel Injector Fuel Return Line Gasket Kit (SDIFRLGKGM01) For 2001-2004 Duramax 6.6L
The Sinister Diesel Injector Fuel Return Line Gasket Kit is designed for 2001-2004 GM Duramax 6.6L engines, providing a durable and reliable seal for the injector fuel return system. It helps prevent leaks, ensures proper fuel circulation, and maintains engine performance. Made from high-quality materials, the kit withstands high temperatures and pressure, making it ideal for maintenance or part replacement.
Sinister Diesel Cat Fuel Filter Adaptor (SDGCATDMAX) for 2001-2016 Duramax 6.6L
The Sinister Diesel Duramax fuel filter and adapter kit upgrades the factory fuel filter on 2001-2016 Chevrolet Silverado and GMC Sierra 2500/3500 HD trucks with a 6.6L Duramax V-8. It includes a Caterpillar 2-micron spin-on fuel filter, improving filtration efficiency, fuel system longevity, and reducing maintenance costs.
FASS Titanium Signature Series Diesel Fuel System (TSC10100G) for 2001-2010 Duramax LB7 / LLY / LBZ / LMM
The FASS Titanium Signature Series Diesel Fuel System (TSC10100G) is a high-performance fuel system designed specifically for diesel engines. It features a durable titanium construction and advanced filtration technology, providing superior fuel delivery and protection against contaminants. Its key benefits include improved engine performance, increased fuel efficiency, and extended engine life. The system also offers easy installation and maintenance, making it a cost-effective and reliable choice for diesel vehicle owners. Its unique selling points include its ability to remove air and vapor from the fuel, ensuring consistent fuel pressure and preventing engine damage. Overall, the FASS Titanium Signature Series Diesel Fuel System is a top-of-the-line solution for optimizing diesel engine performance and longevity.
BD Diesel VENOM FUEL LIFT PUMP C/W FILTER & SEPARATOR (1050322) for 2001-2010 Duramax 6.6L LB7 / LLY / LBZ / LMM
The BD Diesel Venom Fuel Lift Pump (part #1050322) is a high-performance upgrade for 2001–2010 GM Duramax 6.6L diesel engines (LB7, LLY, LBZ, LMM). It provides consistent fuel pressure and flow to reduce strain on the CP3 injection pump, while its built-in filter and water separator help protect the fuel system from contaminants. Supporting up to 900 horsepower, it suits both stock and modified trucks for daily driving, towing, or performance use.
Sinister Diesel CAT Fuel Filter Adapter (SDCATDMAX) for 2001-2016 Duramax 6.6L
The Sinister Diesel Duramax Fuel Filter and Adapter Kit is an upgrade for 2001–2016 Chevy Silverado and GMC Sierra 2500/3500 HD trucks with 6.6L Duramax engines. It replaces the factory fuel filter with a high-performance 2-micron Caterpillar spin-on filter, improving filtration efficiency and capacity. This reduces long-term maintenance costs and extends the life of the fuel system and injectors.
Fleece Outer Injector Harness Pigtail (FPE-HAR-DMAX-LB7-INJ-PT) for 2001-2004 Duramax LB7
The Fleece Performance Fleece Outer Injector Harness Pigtail (FPE-HAR-DMAX-LB7-INJ-PT) is a high-quality, direct-fit replacement for the outer injector harness on 2001–2004 GM 6.6L Duramax LB7 engines. Designed to address issues like brittle, damaged, or corroded factory connectors, it features OEM-style connectors and premium wiring for durability and reliable performance. Ideal for repairs or custom rebuilds, it helps maintain proper injector function and engine efficiency, making it a trusted choice for technicians and Duramax enthusiasts.
