Garmin GT20-TM 4-Pin Transom-Mount Transducer
R2,899
Restore traditional sonar and ClearVü scanning on a compatible Garmin fishfinder. This GT20-TM is the exact 4-pin transom-mount version—check your sonar port before choosing a replacement or adding a transducer to a display-only unit.
Description
A compatible transducer is what turns your fishfinder’s sonar functions into a view below the boat. The Garmin GT20-TM combines traditional sonar with ClearVü scanning in a transom-mount unit, making it a practical option for a supported display that needs a new or replacement transducer.
Match the connector and sonar support
This listing is specifically for Garmin part 010-01960-00 with a four-pin connector. The GT20 family also includes other connection and mounting versions, so the model name alone is not enough to establish compatibility.
Verified specifications
- Traditional sonar: 77/200 kHz.
- ClearVü scanning sonar: 455/800 kHz.
- Four-pin connector.
- Transom-mount configuration.
Before you install
Confirm your Garmin display’s supported transducer list, sonar-port pin count and mounting requirements. This is a transducer accessory; a fishfinder display is not included.
Choose a suitable transom location and follow Garmin’s installation instructions for bracket placement, cable routing and sealing any mounting holes. This is the transom-mount model, not a through-hull transducer.
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