Collection: 2003-2004 5.9L 24V Cummins
Maximize Your 2003-2004 5.9L 24V Cummins Performance with Tameless Performance
Welcome to the Tameless Performance collection for 2003-2004 5.9L 24V Cummins engines. Our selection of top-quality performance parts is designed to enhance the power, efficiency, and durability of your Cummins engine. Whether you're looking to increase horsepower, improve fuel economy,...
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Fleece Performance FPE-AN971-10DRD 10AN Aluminum Male Weld Bung – 5/8" Register, 7/8" OD
Regular price $8.35 USDSale price $8.35 USD Regular priceUnit price / per -
Fleece Performance FPE-34805-A 10 AN to 7/8-14 Straight Male Adapter – Black (Without O-Ring)
Regular price $14.96 USDSale price $14.96 USD Regular priceUnit price / per -
Fleece Performance FPE-34873-A 8 AN to 3/4-16 Straight Male Adapter – Black (Without O-Ring)
Regular price $14.96 USDSale price $14.96 USD Regular priceUnit price / per -
Fleece Performance Universal 45 Degreeree Turbo Drain Nipple with O-ring FPE-78HS-45-TDA
Regular price $34.99 USDSale price $34.99 USD Regular priceUnit price / per -
Fleece Performance Turbocharger Turbine Speed Sensor Pigtail FPE-HAR-CUMM-SP-PT
Regular price $36.99 USDSale price $36.99 USD Regular priceUnit price / per -
Fleece Performance Turbo Drain Adapter FPE-78-14-TDA
Regular price $12.95 USDSale price $12.95 USD Regular priceUnit price / per -
Fleece Performance Starter Solenoid Pigtail for 2003-2018 RAM Cummins FPE-HAR-CUMM-ST-PT-0318
Regular price $37.79 USDSale price $37.79 USD Regular priceUnit price / per -
Fleece Performance Spoke Design Cummins Dual Pump Pulley Fleece Orane FPE-34211-ORG-SPK
Regular price $219.00 USDSale price $219.00 USD Regular priceUnit price / per -
Fleece Performance Spoke Design Cummins Dual Pump Pulley Fleece Blue FPE-34211-BLU-SPK
Regular price $219.00 USDSale price $219.00 USD Regular priceUnit price / per -
Fleece Performance Spoke Design Cummins Dual Pump Pulley Fleece Black Performance FPE-34211-BLK-SPK
Regular price $219.00 USDSale price $219.00 USD Regular priceUnit price / per -
Fleece Performance Replacement Thermostat Housing with Auxiliary Port RAM with 5.9L and 6.7L Cummins FPE-CUMM-TH-1318
Regular price $129.99 USDSale price $129.99 USD Regular priceUnit price / per -
Fleece Performance Replacement EPDM Cooland Bypass Hose MY2003-2005 FPE-CLNTBYPS-HS-HC-0305
Regular price $25.99 USDSale price $25.99 USD Regular priceUnit price / per -
Fleece Performance Rail Pressure Sensor 6 Inch Pigtail FPE-HAR-RP-PT
Regular price $25.99 USDSale price $25.99 USD Regular priceUnit price / per -
Fleece Performance FPE-CUMM-CP3-12MM-5.9 PowerFlo 1000 CP3 Pump for 2003-2007 5.9L Cummins
Regular price $2,549.00 USDSale price $2,549.00 USD Regular priceUnit price / per -
Fleece Performance OE Replacement Rocker Arm Assembly for 5.9L and 6.7L Cummins Engines FPE-CUMM-RAA-CR
Regular price $119.99 USDSale price $119.99 USD Regular priceUnit price / per -
Fleece Performance OE Replacement Head Gasket for 5.9L Cummins (Thick) FPE-CUMM-HG-5.9
Regular price $159.99 USDSale price $159.99 USD Regular priceUnit price / per -
Fleece Performance Multiuse Sensor 6 Inch Pigtail FPE-HAR-MU-PT-5
Regular price $19.99 USDSale price $19.99 USD Regular priceUnit price / per -
Fleece Performance Multiuse Pressure Sensor 36 Inch Pigtail FPE-HAR-MU-PT-6
Regular price $24.99 USDSale price $24.99 USD Regular priceUnit price / per -
Fleece Performance Multi-Use Sensor Pigtail 9 FPE-HAR-MU-PT-9
Regular price $29.99 USDSale price $29.99 USD Regular priceUnit price / per -
Fleece Performance MAP Sensor and Airbox Control Valve Pigtail FPE-HAR-MU-PT-7
Regular price $28.99 USDSale price $28.99 USD Regular priceUnit price / per -
Fleece Performance HP Fuel Line Adaptation Kit - 5.9L to 6.7L Cummins CP3 FPE-CUMM-CP3-FL-ADPT-KIT
Regular price $119.99 USDSale price $119.99 USD Regular priceUnit price / per -
S&B Filters Heater Grid Block Delete For 98-07 Dodge Ram 2500/3500 5.9L Cummins 76-1005
Regular price $99.00 USDSale price $99.00 USD Regular priceUnit price / per -
Fleece Performance Fuel Heater Connector and 6 Inch Pigtail for RAM Cummins 5.9/6.7L FPE-HAR-CUMM-FH-PT
Regular price $17.99 USDSale price $17.99 USD Regular priceUnit price / per -
Fleece Performance Fleece Performance Exhaust Manifold Stud Kit - 7mm External Hex Head FPE-34771
Regular price $229.99 USDSale price $229.99 USD Regular priceUnit price / per -
Fleece Performance Fleece Performance Exhaust Manifold Stud Kit - 4mm Allen Socket Head FPE-34772
Regular price $229.99 USDSale price $229.99 USD Regular priceUnit price / per -
FASS Titanium Signature Series Diesel Fuel System 290GPH Dodge Cummins 5.9L 1998.5-2004
Regular price $849.00 USDSale price $849.00 USD Regular priceUnit price / per -
FASS Titanium Signature Series Diesel Fuel System 250GPH Dodge Cummins 5.9L 1998.5-2004.5
Regular price $799.00 USDSale price $799.00 USD Regular priceUnit price / per -
FASS Titanium Signature Series Diesel Fuel System 100GPH Dodge Cummins 5.9L 1998.5-2004
Regular price $669.00 USDSale price $669.00 USD Regular priceUnit price / per
Maximize Your 2003-2004 5.9L 24V Cummins Performance with Tameless Performance
Welcome to the Tameless Performance collection for 2003-2004 5.9L 24V Cummins engines. Our selection of top-quality performance parts is designed to enhance the power, efficiency, and durability of your Cummins engine. Whether you're looking to increase horsepower, improve fuel economy, or ensure long-term reliability, we have the parts and accessories you need.
Explore Our Top Performance Parts for 2003-2004 5.9L 24V Cummins
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High-Performance Turbochargers
Take your 5.9L Cummins to new heights with our selection of high-performance turbochargers. Designed for increased airflow and boost, our turbochargers deliver the power and responsiveness your engine deserves. -
Fuel Injectors and Pumps
Ensure optimal fuel delivery and combustion with our premium fuel injectors and pumps. Our components are precision-engineered to provide consistent performance and efficiency, making them a perfect upgrade for your 2003-2004 5.9L Cummins. -
Exhaust Systems
Improve exhaust flow and reduce backpressure with our high-quality exhaust systems. Our products are designed to maximize horsepower and torque while providing a deep, aggressive exhaust note. -
Cold Air Intakes
Enhance your engine's performance and efficiency with our range of cold air intakes. These intakes provide cooler, denser air to your engine, resulting in improved combustion and increased power output.



















