Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number R23532591 found under Parts Kit Piston Assembly Engine by Detroit Diesel Corporation. The National Stock Number assigned to this part is 2815013189480, 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 R23532591.