Description
GST™ 43 Thru-Hull Speed/Temperature Transducer
The GST 43 is a thru-hull transducer that can read water speed and temperature. The transducer can retrofit an existing Nexus 43mm thru-hull transducer (TH43).
Bundled with the GST 10, the GST 43 can connect directly to the NMEA 2000® network, and the information can be displayed on a compatible Garmin chartplotter or instrument display.
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.
Specifications:
- Mounting Style: Thru-Hull
- Box Dimensions: 3″H x 6″W x 9″L WT: 1.4 lbs
- UPC: 753759139872

![Garmin GST 43 Thru-Hull Speed /Temperature Transducer [010-04283-00]](https://www.bestmarinewiring.com/wp-content/uploads/2026/08/garmin-gst-43-thru-hull-speed-temperature-transducer-010-04283-00.webp)
![Furuno SS75M Stainless Steel Thru-Hull Chirp Transducer - 12 Tilt - Med Frequency [SS75M/12]](https://www.bestmarinewiring.com/wp-content/uploads/2026/08/furuno-ss75m-stainless-steel-thru-hull-chirp-transducer-12-tilt-med-frequency-ss.webp)
![Furuno TM150M Medium CHIRP Transom Mount Transducer [TM150M]](https://www.bestmarinewiring.com/wp-content/uploads/2026/08/furuno-tm150m-medium-chirp-transom-mount-transducer-tm150m.webp)
![Garmin GT30-TH SS Thru-Hull DownVu /SideVu Scanning Transducer w /Temp f /Hull Deadrises Less Than 5 [010-01961-10]](https://www.bestmarinewiring.com/wp-content/uploads/2026/08/garmin-gt30-th-ss-thru-hull-downvu-sidevu-scanning-transducer-w-temp-f-hull-dead.webp)


![Garmin GT20-TM Transom Mount DownVu 500W (CHIRP 455 /800kHz) Traditional 500W (77 /200 Hz) Transducer w /Temp - 4-Pin [010-01960-00]](https://www.bestmarinewiring.com/wp-content/uploads/2026/08/garmin-gt20-tm-transom-mount-downvu-500w-chirp-455-800khz-traditional-500w-77-20.webp)
![Garmin GT23M-TM Plastic, TM Transducer, Mid-Band CHIRP /CHIRP DownVu - 260 /455kHz, 500W, 8-Pin [010-12404-00]](https://www.bestmarinewiring.com/wp-content/uploads/2026/08/garmin-gt23m-tm-plastic-tm-transducer-mid-band-chirp-chirp-downvu-260-455khz-500.webp)
![Garmin GT51M-TH SS TH DownV /SideV 500W (CHIRP 260 /455 kHz) Traditional 600W (Mid-Band CHIRP 80-160) Transducer - 12-Pin [010-01966-10]](https://www.bestmarinewiring.com/wp-content/uploads/2026/08/garmin-gt51m-th-ss-th-downv-sidev-500w-chirp-260-455-khz-traditional-600w-mid-ba.webp)