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-CUMM-CP3K-5.9 CP3K for 5.9L Cummins
Regular price $1,349.00 USDSale price $1,349.00 USD Regular priceUnit price / per -
Fleece Performance FPE-CUMM-CP3-10MM-5.9 PowerFlo® 750 CP3 for 5.9L Cummins
Regular price $2,049.00 USDSale price $2,049.00 USD Regular priceUnit price / per -
Fleece Performance FPE-CLNTBYPS-CUMMINS-0305-SS Coolant Bypass Kit for 2003-2005 Cummins (Automatic Transmission)
Regular price $359.00 USDSale price $359.00 USD Regular priceUnit price / per -
Fleece Performance FPE-CLNTBYPS-CUMMINS-0305 Coolant Bypass Kit for 2003-2005 Cummins (Automatic Transmission)
Regular price $359.00 USDSale price $359.00 USD Regular priceUnit price / per -
Fleece Performance FPE-CLNTBYPS-CUMMINS-MAN-SS Coolant Bypass Kit for 2003-2007 Cummins (Manual Transmission)
Regular price $359.00 USDSale price $359.00 USD Regular priceUnit price / per -
Fleece Performance FPE-CLNTBYPS-CUMMINS-MAN Coolant Bypass Kit for 2003-2007 Cummins (Manual Transmission)
Regular price $359.00 USDSale price $359.00 USD Regular priceUnit price / per -
Fleece Performance FPE-TURBO-INST-KIT-CUMM59 Cummins S300-S400 Turbo Installation Kit (5.9L)
Regular price $180.00 USDSale price $180.00 USD Regular priceUnit price / per -
Fleece Performance FPE-T4PED-SPACER1.5 T4 Pedestal Spacer - 1.5" Thick
Regular price $119.74 USDSale price $119.74 USD Regular priceUnit price / per -
Fleece Performance FPE-T4PED-SPACER1.0 T4 Spacer - 1.0" Thick
Regular price $99.74 USDSale price $99.74 USD Regular priceUnit price / per -
Fleece Performance FPE-CUMM-59E-LB-HD 2003-2004 Freedom Street HD Series 5.9L Cummins Common Rail Long Block
Regular price $15,499.00 USDSale price $15,499.00 USD Regular priceUnit price / per -
Fleece Performance FPE-CUMM-59E-LB 2003-2004 Freedom Street Series 5.9L Cummins Common Rail Long Block
Regular price $10,499.95 USDSale price $10,499.95 USD Regular priceUnit price / per -
Mopar 5086870AA Fuel Tube
Regular price $261.05 USDSale price $261.05 USD Regular priceUnit price / per -
Mopar 68004539AA Blower Motor Resistor
Regular price $98.99 USDSale price $98.99 USD Regular priceUnit price / per -
Mopar 5083285AA Oil Filter
Regular price $22.39 USDSale price $22.39 USD Regular priceUnit price / per -
Mopar 05086739AB 190-Degree Coolant Thermostat
Regular price $174.85 USDSale price $174.85 USD Regular priceUnit price / per -
Mopar 05183245AA Fuel Control Actuator (FCA)
Regular price $476.13 USDSale price $476.13 USD Regular priceUnit price / per -
Mopar 5003619AB Engine Block Heater
Regular price $111.24 USDSale price $111.24 USD Regular priceUnit price / per -
Mopar 5143782AA Manifold Absolute Pressure (MAP) Sensor Pigtail
Regular price $31.27 USDSale price $31.27 USD Regular priceUnit price / per -
Mopar 52028920AI Transmission Oil Cooler Line
Regular price $150.64 USDSale price $150.64 USD Regular priceUnit price / per -
Mopar 52106795AE Front Track Bar
Regular price $391.40 USDSale price $391.40 USD Regular priceUnit price / per -
Mopar 68149259AD AAM 11.5/11.8 Differential Cover
Regular price $528.60 USDSale price $528.60 USD Regular priceUnit price / per -
Mopar 68253200AA Automatic Transmission Oil Cooler
Regular price $1,096.20 USDSale price $1,096.20 USD Regular priceUnit price / per -
Mopar 05096255AA Blower Motor
Regular price $238.07 USDSale price $238.07 USD Regular priceUnit price / per -
Mopar 4800879BC Vehicle Speed Sensor (Output)
Regular price $34.29 USDSale price $34.29 USD Regular priceUnit price / per -
Mopar 05073983AA HVAC Blend Door Actuator (Dual Zone)
Regular price $281.11 USDSale price $281.11 USD Regular priceUnit price / per -
Mopar 5019910AA NV5600 Reverse Light Switch Pigtail
Regular price $48.08 USDSale price $48.08 USD Regular priceUnit price / per -
Mopar 53034249AA Air Filter
Regular price $33.63 USDSale price $33.63 USD Regular priceUnit price / per -
Mopar 68505585AA Transmission Adapter Plate to Engine Bolt
Regular price $12.37 USDSale price $12.37 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.




















