The Garmin GST 43 is a thru-hull transducer designed to measure both water speed and temperature. It fits directly into an existing Nexus 43mm thru-hull (TH43) opening, making it a straightforward retrofit option. When paired with the GST 10, the GST 43 connects to an NMEA 2000 network and delivers real-time speed and temperature data to a compatible Garmin chartplotter or instrument display.

Specifications:

• Measures water speed and temperature
• Thru-hull installation type
• Retrofits existing Nexus 43mm thru-hull transducer (TH43)
• Compatible with NMEA 2000 network via GST 10 (bundled)
• Displays data on compatible 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.