hi can i buy left side of airpod
hi i lost my left airpod can i purchase a replacement
Yes. See the following instructions from How to find your lost AirPods - Apple Support
If you still can't find your AirPod or Charging Case, or if something is damaged, get the serial number and then contact Apple Support for a replacement. Then learn how to set up your replacement.
You can also learn more about AirPod pricing and service options.