Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 11421C-11660 found under Rocker Arminjectorvalve Cover by Yanmar Diesel Engine Co Ltd. The National Stock Number assigned to this part is 2815016731825, 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 11421C-11660.