Numinix Google Analytics Plugin for Zen Cart Now supports GA4.
What's more is that you can have them running simultaneously so you can have historical data in your GA4 account should you wish to wait to make the change
Anonymously track traffic and conversions through GA4 and Google Analytics with this Zen Cart plugin.
Installation is easy: simply upload the package files and the configuration self-installs. Choose between three different tracking methods: asynchronous, GA, and universal.
This plugin supports custom conversion labels such as those created by AdWords to ensure your paid campaigns are running optimally.
Note: this is a fork from Simple Google Analytics and will automatically upgrade from previous versions of that plugin.