Cummins: 2003-2004 (5.9L)
Fleece HE400VG / HE451VE Turbocharger (FPE-HE4-64) for 1994-2022 Cummins 5.9L / 6.7L ISX – 64mm
The Fleece HE400VG / HE451VE Turbocharger (FPE-HE4-64) is a high-performance, direct replacement turbo for 1994–2022 Cummins 5.9L and 6.7L ISX engines. It features a 64mm compressor wheel for increased airflow and boost efficiency, enhancing power and responsiveness without compromising reliability. Suitable for on-road and off-road use, it maintains OEM fitment while delivering aftermarket performance, making it ideal for towing, daily driving, or performance applications. Its variable geometry design ensures quick spool-up and improved throttle response.
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 Multiuse Sensor Pigtail (FPE-HAR-MU-PT-5) for 2001-2022 Duramax LB7 / LLY / LBZ / LMM / LML / L5P & 1994-2022 Cummins 5.9L / 6.7L
The Fleece Multiuse Sensor Pigtail (FPE-HAR-MU-PT-5) is a durable, weatherproof wiring solution compatible with 2001–2022 Duramax and 1994–2022 Cummins diesel engines. Featuring OEM-style connectors, it serves as a reliable replacement or upgrade for various sensor connections, ideal for both repairs and custom builds.
Fleece Valve Cover Conversion Harness (FPE-HAR-CUMM-VC-ADPT-EARLY) for 2003-2005 Cummins 5.9L
The Fleece (FPE-HAR-CUMM-VC-ADPT-EARLY) is a plug-and-play valve cover conversion harness for 2003–2005 Dodge Ram trucks with 5.9L Cummins engines. It allows easy installation of a later model valve cover without cutting or splicing, enhancing aesthetics and functionality. Built with durable materials and OEM-style connectors, it ensures reliable performance and is ideal for performance upgrades.
Fleece Fuel Heater Connector and Pigtail (FPE-HAR-CUMM-FH-PT) for 2000-2018 Cummins 5.9 / 6.7L
The Fleece Fuel Heater Connector and Pigtail (FPE-HAR-CUMM-FH-PT) is a durable, high-quality replacement part for 2000–2018 Cummins 5.9L and 6.7L diesel engines. Designed to meet or exceed OEM standards, it ensures a reliable connection to the fuel heater—crucial for proper fuel temperature in cold conditions. This plug-and-play solution replaces worn or corroded factory connectors, restoring performance and enhancing durability in harsh engine environments, making it ideal for maintenance or repairs.
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 Replacement Thermostat Housing with Auxiliary Port (FPE-CUMM-TH-1318) for 1998.5-2018 Cummins 5.9L / 6.7L
The Fleece Replacement Thermostat Housing with Auxiliary Port (FPE-CUMM-TH-1318) is a durable, precision-machined billet aluminum upgrade for 1998.5–2018 Dodge Ram trucks with 5.9L or 6.7L Cummins engines. It replaces the factory housing and features an auxiliary port for easy installation of sensors or accessories like temperature probes or coolant bypass kits. Designed for improved performance and monitoring, it offers a reliable seal and a perfect fit, making it a versatile solution for Cummins enthusiasts.
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.
Fleece Performance Fire Ring Head Gasket (FPE-CUMM-HG-5.9-FR) for 2003-2007 Cummins 5.9L
The Fleece Performance Fire Ring Head Gasket (FPE-CUMM-HG-5.9-FR) is a high-performance gasket designed for 2003–2007 Dodge Ram trucks with 5.9L Cummins engines. Built for high-horsepower and heavy-duty use, it features precision-machined fire rings that enhance combustion sealing and reduce the risk of failure under boost. Ideal for performance upgrades and towing, it ensures engine reliability and durability under extreme conditions.
Fleece Heater Core Replacement Hose and Fitting (FPE-CUMM-HCL-0324) for 2003-2024 Cummins 5.9L / 6.7L
The Fleece Heater Core Replacement Hose and Fitting (FPE-CUMM-HCL-0324) is a direct-fit, high-quality upgrade for 2003–2024 Dodge Ram trucks with 5.9L or 6.7L Cummins diesel engines. Designed to replace problematic OEM heater core lines, it offers enhanced durability, leak resistance, and high-temperature performance. Made from premium materials, it ensures reliable coolant flow and is easy to install, making it ideal for improving or maintaining heating system efficiency.
Fleece Performance Front Gear Housing Dowels (FPE-CUMM-FGHD-KIT) for 2003-2018 Cummins 5.9L / 6.7L
The Fleece Performance Front Gear Housing Dowels (FPE-CUMM-FGHD-KIT) are durable, precision-engineered components designed for 2003–2018 Cummins 5.9L and 6.7L engines. They ensure secure alignment of the front gear housing, reducing the risk of engine damage from misalignment. Suitable for both stock and modified engines, this kit offers improved fitment and longevity over OEM parts, making it ideal for engine assembly or rebuilds.
Fleece M22 Thermostat Plug (FPE-CUMM-CYL-M22-PG) for 2003-2018 Cummins 5.9L / 6.7L
The Fleece M22 Thermostat Plug (FPE-CUMM-CYL-M22-PG) is a durable, precision-engineered component for 2003–2018 Cummins 5.9L and 6.7L diesel engines. It replaces the factory thermostat housing in dual thermostat setups or custom cooling configurations. Featuring an M22 thread for a secure, leak-free fit, it’s ideal for performance builds and custom applications.
Fleece Turbocharger Installation Kit (FPE-CUMM-CW-INST-KIT-0307) for 2003-2007 Cummins 5.9L w/CW Turbochargers
The Fleece Turbocharger Installation Kit (FPE-CUMM-CW-INST-KIT-0307) is a complete solution for installing CW series turbochargers on 2003–2007 Dodge Ram trucks with a 5.9L Cummins engine. It includes all necessary components for a seamless and reliable installation, making it ideal for both replacements and upgrades. Designed for durability and ease of use, the kit ensures proper fitment and improved performance for Cummins-powered trucks.
Fleece HP Fuel Line CP3 Adaptation Kit 5.9L to 6.7L (FPE-CUMM-CP3-FL-ADPT-KIT) for 2003-2007 Cummins 5.9L
The Fleece HP Fuel Line CP3 Adaptation Kit (Part #FPE-CUMM-CP3-FL-ADPT-KIT) allows a CP3 fuel pump from a 6.7L Cummins to be used on 2003–2007 5.9L Cummins engines. Designed for high performance, it ensures secure fuel delivery and includes all components for easy installation. Built with quality materials, it’s ideal for CP3 conversions or performance upgrades, compatible with both stock and aftermarket systems.
Fleece CP3 Nut Cover (FPE-CUMM-CP3-CVR) for 2003-2018 Cummins 5.9L / 6.7L
The Fleece CP3 Nut Cover (FPE-CUMM-CP3-CVR) is a precision-machined, billet aluminum accessory designed for 2003–2018 Dodge Ram trucks with 5.9L or 6.7L Cummins diesel engines. Featuring a durable anodized finish, it protects the CP3 pump nut from dust and damage while enhancing engine bay aesthetics. Easy to install without special tools, it’s a functional and stylish upgrade for diesel enthusiasts.
Fleece PowerFlo 1000 CP3 (FPE-CUMM-CP3-12MM-5.9) for 2003-2007 Cummins 5.9L
The Fleece PowerFlo 1000 CP3 (FPE-CUMM-CP3-12MM-5.9) is a high-performance fuel injection pump for 2003–2007 Dodge Ram trucks with 5.9L Cummins diesel engines. Featuring a 12mm stroker design, it delivers increased fuel volume to support higher horsepower while maintaining drivability and reliability. Designed as a drop-in OEM-fit replacement, it offers easy installation and is ideal for performance upgrades, improved engine efficiency, and advanced tuning needs.
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.
Fleece Replacement EPDM coolant bypass hose (FPE-CLNTBYPS-HS-HC-0305) for 2003-2005 Cummins 5.9L
The Fleece Replacement EPDM Coolant Bypass Hose (FPE-CLNTBYPS-HS-HC-0305) is a high-performance aftermarket hose designed for 2003–2005 Dodge Ram trucks with 5.9L Cummins engines. Made from durable EPDM rubber, it resists heat, ozone, and chemicals, ensuring long-lasting performance. This hose replaces the factory coolant bypass hose to maintain proper coolant flow, prevent overheating, and enhance cooling efficiency—especially in high-performance or towing conditions. It’s engineered for a precise fit and reliable sealing.
Fleece 34.5″ Common Rail/VP44 Coolant Bypass Hose – Stainless Steel Braided (FPE-CLNTBYPS-HS-CRVP-SS) 1998.5-2018 Cummins 5.9L / 6.7L
The Fleece 34.5″ Common Rail/VP44 Coolant Bypass Hose (FPE-CLNTBYPS-HS-CRVP-SS) is a durable, high-performance upgrade for 1998.5–2018 Cummins 5.9L and 6.7L diesel engines. Designed to enhance coolant flow and reduce pressure at the rear of the engine block, it helps prevent head gasket failure—especially in high-power or towing applications. Featuring a stainless steel braided exterior, it offers excellent heat and abrasion resistance, making it ideal for both competition trucks and reliable daily drivers.
Fleece Coolant Bypass Service Kit (FPE-CLNTBYPS-CUMMINS-SER-KIT) 1994-2024 Cummins 5.9L / 6.7L
The Fleece Coolant Bypass Service Kit (FPE-CLNTBYPS-CUMMINS-SER-KIT) is an aftermarket solution for 1994–2024 Cummins 5.9L and 6.7L diesel engines. It improves coolant flow to the rear cylinders, addressing a common cooling issue that can lead to head gasket failure. Designed for durability and easy installation, the kit includes all necessary components and is suitable for daily driving, towing, and performance use. It enhances engine reliability and longevity by equalizing coolant temperatures.
Fleece Freedom Series Cylinder Head -Performance Street (FPE-61-10006) for 2003-2007 Cummins 5.9L
The Fleece Freedom Series Cylinder Head (FPE-61-10006) is a high-performance, ready-to-install upgrade for 2003–2007 Cummins 5.9L engines. Designed for street use, it enhances durability and airflow to boost horsepower and torque while maintaining reliability. Featuring precision machining and upgraded components like valve springs, guides, and seals, it’s ideal for replacing worn factory heads and handling the demands of tuned engines.
Fleece Fan Drive Pulley – Black Finish (FPE-34660-BLK) for 2003-2012 Cummins 5.9L / 6.7L
The Fleece Fan Drive Pulley – Black Finish (FPE-34660-BLK) is a high-quality aftermarket component designed for 2003–2012 Dodge Ram trucks equipped with the Cummins 5.9L and 6.7L diesel engines. Engineered for durability and performance, this precision-machined pulley replaces the factory unit to provide improved reliability and aesthetic appeal under the hood. Its sleek black anodized finish not only adds a clean, custom look but also offers enhanced corrosion resistance for long-lasting use. Ideal for enthusiasts looking to upgrade or replace worn OEM parts, the FPE-34660-BLK fan drive pulley ensures optimal belt alignment and smooth operation, making it a dependable choice for both daily drivers and performance builds.
Fleece Electric Water Pump Upper Fan Idler Pulley – Black Finish Contrast Cut ( FPE-34658-BLK-SPK) for 2003-2018 Cummins 5.9L / 6.7L
The Fleece Electric Water Pump Upper Fan Idler Pulley (FPE-34658-BLK-SPK) is a high-performance upgrade for 2003–2018 Cummins 5.9L and 6.7L diesel engines. Designed for electric water pump conversions, it replaces the factory fan drive to reduce engine drag and improve reliability. With a black anodized finish for corrosion resistance and enhanced appearance, it ensures proper belt alignment and is ideal for performance or racing setups.
