Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 3R2351 found under Wire Assembly by Caterpillar Inc. The National Stock Number assigned to this part is 6220001029683, and the Federal Supply Class is 6220 Electric Vehicular Lights And Fixtures. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like 3R2351.