More Details about our item Condition of the item: New Product Name: Fuel Injector Warranty: 1 Year O-Rings Included: Yes, preinstalled Injector Design: Metal & composite plasticer design at inlet They are the most sophisticated part of a gasoline engine Fitment For Nissan Frontier 2001-2004 V6 3.3L Supercharged For Nissan Xterra 2002-2004 V6 3.3L Supercharged Include in the package As shown in the picture .