The Garmin GST 43 is a thru-hull transducer designed to measure water speed and temperature, with a form factor that retrofits an existing Nexus 43mm thru-hull (TH43) installation. Bundled with the GST 10 interface module, the GST 43 connects directly to an NMEA 2000® network, delivering speed and temperature data to a compatible Garmin chartplotter or instrument display.

Specifications:

• Transducer type: thru-hull
• Measurements: water speed and temperature
• Compatible retrofit: Nexus 43mm thru-hull transducer (TH43)
• Bundle includes: GST 43 transducer and GST 10 interface module
• Network connectivity: NMEA 2000® (via GST 10)
• Compatible displays: Garmin chartplotters and instrument displays

⚠️ California Prop 65 Warning: This product can expose you to chemicals which are known to the State of California to cause cancer, birth defects or other reproductive harm. For more information go to P65Warnings.ca.gov.