Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 03783800 found under Cover Engine Poppet Valve Rocker by Capital Engine Co. The National Stock Number assigned to this part is 2815014548841, 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 03783800.