Fuel Injector, 1998-01 Isuzu Trooper 3.5l Premium quality remanufactured fuel injectors made here in the USA under strict quality guidelines. All components tested twice to meet and exceed OEM specifiations All injectors are OEM units, not aftermarket, ensuring an exact fit for every application Clean injectors improve performance and save your valuable gas dollar. All Bostech fuel injectors are backed by a 2 year, 24,000 mile warranty