Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 8414994 found under Silencer Assy Exh by Electro Motive Diesel Inc. The National Stock Number assigned to this part is 2990016455545, and the Federal Supply Class is 2990 Miscellaneous Engine Accessories Nonaircraft. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like 8414994.