Individual John Deere parts do not have serial numbers. Depending on the make and model of the John Deere equipment, there may be several serial numbers for sections including the engine, front axle, cab and tractor frame that can be used to find the appropriate part number.
The serial numbers on the John Deere equipment can identify the model and year that it was produced. Using the model and year information, it's possible to cross reference the part number through John Deere or an authorized John Deere parts provider. This ensures that the correct part for the John Deere equipment is selected.