DDP has done it again! The all new DDP N325-STK fuel injector is a stock HP replacement that is brand new and comes with a 2-year unlimited mileage warranty! This injector is perfect for your 5.9 Cummins engine in your 2004.5-2007 model year truck. There is no need to send in your old injector, and this bad boy is sold individually. Make sure to get yours today so you can have the peace of mind and driving satisfaction that comes with knowing you're running on quality DDP parts!