Maintain OE-style fuel system function in your 2006-2007 Chevy/GMC 6.6L LLY/LBZ Duramax with Stock Replacement Fuel Injectors from XDP. To deliver factory-like form, fit, and function these fuel injectors are built to meet or exceed OEM specifications. Along with XDP's own line of high-quality remanufactured fuel injectors, you can find the injectors your truck needs from brands like DDP, Alliant Power, Bostech, and many more. Brand new fuel injectors are built with quality components and thoroughly tested and inspected to ensure reliable performance. 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.