This is a complete Injector Repair Kit for one Cummins N14 Injector. This injector repair kit fits and functions for the OEM application 3411691 , 6411766 . This kit carries a one-year warranty. We carry many piece parts and rebuild kits for class three and class eight applications. Volume pricing for this kit is also available so please do not hesitate to call our offices at 1.800.961.9290 for more information.