Add gas, oil, and filters. Please reach out to us with any questions or concerns and allow 24 hours for a. When installing part's please take Caution. As to not cause harm to yourself or others. How to Locate the Model Number. Finding replacement parts for your lawn mower is much easier when you know the model number of your specific machine. The model number helps you match the correct parts that will fit your mower. The model and serial number information is usually printed on a label/sticker or stamped on the mower and/or Engine. Located in Johnson City, TN.