Maintain OE-style fuel system function in your 2004.5-2005 Chevy/GMC 6.6L LLY Duramax with Stock Replacement Fuel Injectors from XDP. XDP has the Stock Replacement Fuel Injectors your vehicle needs, along with their own line of quality remanufactured injectors XDP carries injectors from top brands such as DDP, Alliant Power, Bostech, BD-Power, and many more. Remanufactured stock replacement fuel injectors go through extensive remanufacturing processes including the replacement of wear parts and end-of-line testing, to ensure they provide reliable performance. Stock Replacement fuel injectors are engineered to deliver factory-style form, fit, and function, as they are built to stringent guidelines that meet or exceed the original specifications. New fuel injectors are constructed using high-quality components and extensively tested and inspected to ensure dependable operation.