Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number K239D11 found under Tank by Kenworth Truck Co. The National Stock Number assigned to this part is 2910007740772, and the Federal Supply Class is 2910 Engine Fuel System Components Nonaircraft. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like K239D11.