Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number E4TZ 6A251-A found under Bearing Set by Ford Motor Co Ltd. The National Stock Number assigned to this part is 3120013134506, and the Federal Supply Class is 3120 Bearings Plain Unmounted. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like E4TZ 6A251-A.