Fuel Injector Assembly 4088327 4062569 For Cummins SX15 QSX15 Diesel Engine. Item Type: Fuel Injector Assembly. Engine Model: SX15 QSX15. Fitment Type: Direct Replacement. For Cummins SX15 QSX15 Diesel Engine. Please leave us physical address (home or office address) but. In Order To Avoid Unnecessary Returnplease Check The Product. Picture And Part Number Carefully To Make Sure It Is The Product. Communication is very, very important for us to do business online.