; HomeHeavy Duty Truck PartsTransmissions & Transmission PartsTransmission AssysEaton/FullerFSO6406AUsed 2003 Eaton/Fuller FS06406A Transmission Assy Used 2003 Eaton/Fuller FS06406A Transmission Assy Unfortunately this part is temporarily unavailable. View other Eaton/Fuller FSO6406A Transmission Assys