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.
You can rely on the XDP Wrinkle Black Gear Reduction Starter XD258 to get your 2003-2006 Dodge 5.9L Cummins running in the most extreme environments. XDPs Gear Reduction Starters are faster, stronger, and more durable than your factory starter. This...
Reduce friction and wear in your engine with XDP's X-Factor High Performance Oil Additive XD275, the best thing to happen to oil since the filter! X-Factor is a 100% synthetic friction reducer that is engineered to decrease engine wear, reduce noise and...
XDP knows diesel and has wanted to offer a fuel additive for some time. Finally, after a lengthy R&D process, we are proud to present our specially formulated concentrate for the best year round use in your diesel truck. Running XDP Diesel Power...
After the overwhelming success and positive feedback of our XDP Diesel Power Plus year round formula fuel additive we began work on a winter blend. The result of our hard work and testing is XDP Polar-D. This powerful fuel treatment increases overall...
FASS FUEL SYSTEMS 2003-2004 DODGE DIRECT REPLACEMENT PUMPS RELOCATION KIT (RK-04) Our Direct Replacement Pump Relocation Kit allow for your new DRP pump to be placed further back, closer to the fuel tank. This will reduce the distance the lift pump needs...