Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number E45TP4-115 found under Engine Diesel by Western Diesel Services Inc. The National Stock Number assigned to this part is 2815016226482, 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 E45TP4-115.