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Halloween Special Garmin Gt21-th S/s Thru-hull Clearv Chirp, 600w 50/200khz Traditional, 500w 260 455 Clearv Chirp [010-01962-10] Best Choice [08Nw4y9V]

$67.99 $217.99 -69%

Garmin GT21-TH S/S Thru-Hull Transducer The Garmin GT21-TH S/S Thru-Hull Transducer is a top-tier choice for coastal and offshore fishermen seeking exceptional sonar capabilities. This advanced transducer offers both traditional sonar and CHIRP Clear

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Garmin GT21-TH S/S Thru-Hull Transducer

The Garmin GT21-TH S/S Thru-Hull Transducer is a top-tier choice for coastal and offshore fishermen seeking exceptional sonar capabilities. This advanced transducer offers both traditional sonar and CHIRP ClearVü scanning sonar, ensuring you can navigate through diverse fishing conditions with precision. The combination of these two technologies guarantees clear and crisp fish arches, superior target separation, and a detailed view of the underwater structure below your boat.

Powerful Sonar and ClearVü Scanning

The GT21-TH is equipped with a CHIRP ClearVü element that boasts a power rating of 500 W and operates at frequencies of 260/455 kHz, providing a detailed and accurate representation of the underwater environment. The traditional sonar, with a power rating of 600 W and frequencies of 50/200 kHz, ensures that you never miss a fish or structure. Additionally, the transducer features a built-in fast-response temperature sensor, offering valuable data for your fishing journey.
  • Powerful sonar and CHIRP ClearVü scanning for enhanced fishing experience
  • Accurate fish arches and target separation

Comprehensive Kit and Installation Instructions

The Garmin GT21-TH comes with an 8-pin transducer, stainless steel stem, fairing block, isolation plate, bushings, mounting hardware, and detailed installation instructions. Designed for hull deadrises less than 25 degrees, this transducer is suitable for a wide range of boats. With a 30' cable length and a durable thru-hull mounting style, the GT21-TH is built to last and deliver exceptional performance.
  • Complete kit with all necessary hardware and installation instructions
  • Thru-hull mounting for versatile installation options

What Our Customers Say

January 2, 2026

Absolutely no complaints!

A great product, great service.

- Tami M..

January 2, 2026

Absolutely no complaints!

Very happy with my purchase. Thanks.

- Joanne F..

January 2, 2026

Absolutely no complaints!

I'm so glad I bought this.

- June B..

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