Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 3 228 601 R91 found under Turbosupercharger E by Navistar Intl Corp. The National Stock Number assigned to this part is 2950012726536, and the Federal Supply Class is 2950 Turbosupercharger And Components. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like 3 228 601 R91.