5579415PX For Cummins ISX15 QSX15 Diesel Engine 2872405 6Pcs Fuel Injector. Fit For Cummins Engine ISX15 QSX15 (6 Cylinder). Package included: 6Fuel Injector. Installation guide NOT included, professional skills required during the installation, we highly recommend asking repair shop for help. Due to different displays and light variations, all pictures shown may not reflect the actual color or condition of the item. Economy: 15-60 days. Standard: 10-35 days. Accelerated: 3-7 days.