OE Number - stands for Original Equipment Number - the number of complete component or sub-assembly that was originally fitted to the vehicle. OE Number is interchangeable with the term Genuine Number
FORD:
F8B3 13Z409 A
MAZDA:
F8B3-13-Z40-9A, F8B3-13Z40-9A, F8B3-13-Z409A, F8B313Z409A, F8B3 13 Z40 9A, F 8B3-13Z40-9A