Fuel System
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-LLY-45) 2004.5-2005 Duramax LLY
The Fleece Performance High Pressure Injection Line (#4 and #5) is a durable, precision-engineered replacement part for the 2004.5–2005 GM Duramax LLY diesel engine. Designed to meet or exceed OEM standards, it ensures reliable fuel delivery and optimal engine performance for cylinders #4 and #5. Built to withstand high pressure and harsh conditions, it’s ideal for replacing worn or leaking factory lines, helping maintain fuel injection timing and engine efficiency.
Replaces GM Part # 97378827
Fleece #3 and #6 High Pressure Injection Line (FPE-FL-LLY-36) 2004.5-2005 Duramax LLY
The Fleece #3 and #6 High Pressure Injection Line is a durable, high-quality replacement for the factory fuel lines on 2004.5–2005 GM Duramax LLY diesel engines. Designed to address common issues like cracking and leaks from high pressure and heat, this upgraded line improves fuel system reliability and helps maintain engine performance. It’s a crucial upgrade for preventing potential injector or engine damage.
Replaces GM Part # 97378826
Fleece #2 and #7 High Pressure Injection Line (FPE-FL-LLY-27) 2004.5-2005 Duramax LLY
The Fleece #2 and #7 High Pressure Injection Line (FPE-FL-LLY-27) is a direct-fit replacement part for 2004.5–2005 Duramax LLY diesel engines. Made by Fleece Performance Engineering, it connects cylinders #2 and #7 to the fuel rail, ensuring accurate high-pressure fuel delivery. Built from durable materials to withstand extreme conditions, it meets or exceeds OEM standards, making it a reliable choice for restoring or enhancing engine performance and fuel system durability.
Replaces GM Part # 97378828
Fleece #1 and #8 High Pressure Injection Line (FPE-FL-LLY-18) 2004.5-2005 Duramax LLY
The Fleece Performance High Pressure Injection Line (FPE-FL-LLY-18) is a durable, OEM-quality replacement designed for the 2004.5–2005 GM Duramax LLY diesel engine. It addresses common issues with factory lines—such as cracking, leaks, and flow restrictions—by ensuring reliable fuel delivery to cylinders #1 and #8, helping maintain engine performance and efficiency. Ideal for restoring or upgrading the fuel system in LLY-powered trucks.
Replaces GM Part # 97378825
Fleece High Pressure Injection Line Kit (FPE-FL-DMAX-LLY-SET) for 2004.5-2005 Duramax LLY
The Fleece High Pressure Injection Line Kit (FPE-FL-DMAX-LLY-SET) is a high-quality replacement designed for 2004.5–2005 GM 6.6L Duramax LLY diesel engines. It includes OEM-style fuel lines that connect the fuel rails to the injectors, offering durability, leak prevention, and reliable performance under high pressure. Suitable for both stock and modified setups, this kit is an ideal upgrade or replacement for factory lines to maintain consistent engine performance.
Replaces GM Part# 97378825 (qty 2)
Replaces GM Part# 97378828 (qty 2)
Replaces GM Part# 97378826 (qty 2)
Replaces GM Part# 97378827 (qty 2)
Fleece High Pressure Injection Line Kit (1 Year Limited Parts Warranty) for 2006-2010 Duramax LLY / LBZ
The Fleece High Pressure Injection Line Kit is a high-quality aftermarket upgrade for 2006–2010 GM Duramax LLY and LBZ diesel engines. It replaces factory fuel lines with durable, corrosion-resistant components to ensure consistent fuel delivery and maintain optimal injection pressure. Designed for high-performance or heavily used trucks, the kit enhances fuel system reliability and comes with a 1-year limited parts warranty.
Replaces GM Part # 98006523 (qty 2)
Replaces GM Part # 98006527 (qty 2)
Replaces GM Part # 98006524 (qty 2)
Replaces GM Part # 98006526 (qty 2)
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 Premium(1725504) for 2004.5-2006 Duramax LLY / LBZ
The BD Diesel BD-Built Duramax LLY Injector Stock Premium (1725504) is a high-quality, remanufactured replacement injector for 2004.5–2006 GM Duramax LLY and LBZ diesel engines. Designed to meet or exceed OEM specs, it ensures efficient fuel atomization and combustion, enhancing engine performance, reliability, and fuel economy. Ideal for stock applications, it helps restore power and maintain emissions compliance.
BD Diesel BD-Built Injector StockPlus Premium (1724504) for 2004.5-2006 Duramax LLY / LBZ
The BD Diesel BD-Built Duramax LLY Injector StockPlus Premium (1724504) is a remanufactured, high-performance replacement fuel injector for 2004.5–2006 GM Duramax LLY and LBZ engines. Designed to exceed OEM standards, it improves fuel atomization, efficiency, power, and emissions. Ideal for stock or mildly upgraded trucks, each injector is rigorously tested for quality and durability, making it a reliable choice for diesel enthusiasts and mechanics.
BD Diesel BD-Built Injector StockPlus Standard (1714504) for 2004.5-2006 Duramax LLY / LBZ
The BD Diesel BD-Built Duramax LLY Injector StockPlus Standard (1714504) is a high-quality, remanufactured fuel injector designed for 2004.5–2006 Chevrolet and GMC trucks with Duramax LLY or LBZ 6.6L diesel engines. It meets or exceeds OEM standards, ensuring reliable performance, durability, and compliance with factory fuel economy and emissions. Built with premium components and thoroughly tested, it’s ideal for stock or lightly modified engines, restoring power and efficiency without the need for tuning or additional modifications.
BD Diesel BD-Built Duramax LLY CR Injector 43%-90HP (1716606) for 2004.5-2006 Duramax 6.6L LLY / LBZ
The BD Diesel BD-Built Duramax LLY CR Injector (1716606) is a high-performance, remanufactured fuel injector for 2004.5–2006 GM vehicles with 6.6L Duramax LLY or LBZ engines. It delivers 43% more fuel flow than stock, supporting up to 90 extra horsepower. Built with OE-quality components and rigorously tested, it’s ideal for towing, racing, or boosting overall engine performance.
Sinister Diesel Reman Injector (SDINJGM045) for 2004.5-2005 Duramax LLY 6.6L
The Sinister Diesel Reman Injector for the 2004.5-2005 LLY Duramax is engineered to meet or exceed OEM standards. Each injector undergoes a rigorous remanufacturing process, including inspection, cleaning, and rebuilding with high-quality components. Designed for durability and reliability, it ensures a smooth and responsive driving experience, even in demanding conditions.
Sinister Diesel Injector Fuel Return Hose Kit (SDIFRHKGM045) For 2004-2010 Duramax 6.6L
Sinister Diesel Injector Fuel Return Hose Kits are made to meet or exceed OEM specifications. Over time, and with exposure to heat, these hoses become brittle and prone to leaks or cracks. If you service or replace a fuel injector, make sure to replace your fuel return hose.
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.
FASS Titanium Signature Series Diesel Fuel System TSC10165G 165GPH, (8-10 PSI) for GM/Chevy Duramax 6.6L 2001-2010, 600-1,000hp
The FASS Titanium Signature Series Diesel Fuel System TSC10165G is a top-of-the-line product designed specifically for GM/Chevy Duramax 6.6L engines from 2001 to 2010. With a flow rate of 165 gallons per hour and an operating pressure of 8-10 PSI, this fuel system is capable of supporting high horsepower levels ranging from 600 to 1,000hp. Its advanced filtration system ensures that your engine receives clean and consistent fuel, which in turn improves performance and prolongs the life of your engine. With the FASS Titanium Signature Series, you can expect reliable and efficient fuel delivery, making it a must-have for any high-performance Duramax engine.
FASS Fuel Systems RPHD1001 HD Series EM-1001 with .625 Gear
The FASS Fuel Systems RPHD1001 HD Series EM-1001 with .625 Gear Ratio is a high-performance fuel pump designed for heavy-duty vehicles. It features a powerful .625 gear ratio that provides optimal fuel flow and pressure, ensuring your engine receives the necessary fuel for maximum performance. This pump is part of FASS’s HD Series, which is known for its durability, reliability, and efficiency. With its advanced technology and sturdy construction, the RPHD1001 is the ideal choice for truckers, farmers, and other professionals who rely on their vehicles for demanding tasks. Whether you’re hauling heavy loads or working in extreme conditions, this fuel system will keep your engine running smoothly and efficiently.
FASS Fuel Systems RPTS1008 Titanium Signature Series EM-1002-3 with .335 Gear
FASS Fuel Systems RPTS1008 Titanium Signature Series EM-1002-3 with .335 Gear Pump is a top-of-the-line fuel system that is designed to provide superior performance and reliability for your vehicle. This system features a powerful .335 gear pump that is capable of delivering a consistent flow of fuel to your engine, ensuring that it runs smoothly and efficiently. The titanium signature series offers enhanced durability and corrosion resistance, making it suitable for even the most extreme conditions. With its advanced technology and high-quality components, the FASS Fuel Systems RPTS1008 is a great investment for any vehicle owner looking to improve their fuel system’s performance.
