These will fit the old style injector for your 2004.5-2007 5.9L Cummins. It matches nozzles number 5500. These nozzles are sold individually you need to order six to make a complete set. They do come with copper washers and install tool.

-Great addition to go along with our BAG O PARTS for the 5.9L dodge.

-Maximizes your fuel more efficiently, better atomization

-Great for the daily driver looking to increase mileage and bottom end performance for towing.

-Can be used with stock injection pump, but the bag o parts makes a great addition along with the injector nozzles.

-Extrude Honed Balanced matched for best results

-Great performance