Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 48-18618A42 found under Propeller Marine by Mercury Marine. The National Stock Number assigned to this part is 2010014964800, and the Federal Supply Class is 2010 Ship And Boat Propulsion Components. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like 48-18618A42.