Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number FB5198899 found under Parts Kit Cylinder Head Diesel E by Navistar Intl Corp. The National Stock Number assigned to this part is 2815009368251, and the Federal Supply Class is 2815 Diesel Engines And Components. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like FB5198899.