Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 6594643 found under Valve Poppet Engine by Ford Motor Co Ltd. The National Stock Number assigned to this part is 2815996167127, 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 6594643.