SWAG Performance offers a large selection of OEM and aftermarket parts for your 2003–2004 5.9L Cummins engines, including high-pressure fuel system upgrades, electronic tuners, and direct-fit 5.9L turbochargers. Featuring early common rail-specific components, this lineup supports transmission tuning for 47RE and 48RE platforms, plus bolt-on airflow upgrades ideal for towing or track applications.
Remanufactured Injector Set For 2003-Early 2004 5.9L 305 Horsepower and 555 Torque Engine ONLY. WILL NOT FIT THE LATE 2004.5+ 325/600 ENGINES! New Bosch Nozzle Assembly New Control Valve Complete...