🔄
Skip to content
Contact us for all of your boating/fishing needs! ⛵
Contact us for all of your boating/fishing needs! ⛵
Shipping Policy Return and Refund Policy Payment Policy Privacy Policy Terms of Service Contact Us About Us
Garmin GT21TH SS ThruHull ClearV CHIRP 600W 50200kHz Traditional 500W 260 455 ClearV CHIRP 0100196210

Garmin GT21-TH S/S Thru-Hull ClearV CHIRP, 600W 50/200kHz Traditional, 500W 260 455 ClearV CHIRP [010-01962-10]

Authorized Garmin Dealer
Genuine Product
$0.00 - $0.00
$0.00
$480.99
$480.99 - $480.99
$480.99
Questions? Just Call. U.S. based expert support. +1 (346) 385-4984
Availability:
5+ in stock, ready to be shipped
Why Choose Boating Tools?
Trusted • U.S.-Based
  • Ships today or tomorrow (in-stock items)
  • Ships from U.S. warehouse with tracking
  • No sales tax (excluding Texas)
    • U.S. expert support: +1 (346) 385-4984
    Mon–Fri 9AM–5PM CST

GT21-TH

Perfect for coastal and offshore fishermen who want traditional sonar and CHIRP ClearVü scanning sonar with a stainless steel stem, this thru-hull mount transducer consistently displays clear and crisp fish arches with superior target separation as well as clear definition of structure below the boat.

The CHIRP ClearVü element has a power rating of 500 W and operating frequencies of 260/455 kHz. The traditional sonar has a power rating of 600 W and operating frequencies of 50/200 kHz. It includes a built-in fast-response temperature sensor. For hull deadrises less than 25 degrees. 

GT21-TH includes an 8-pin transducer with stainless steel stem, fairing block, isolation plate and bushings, mounting hardware and installation instructions. Follow the instructions carefully to avoid damaging your boat.

WarningWARNING: 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

No specifications available.

Owner’s Manual (PDF)

Estimated Delivery Time: 1-7 business days.

  • Orders placed before 1PM CST will ship the same day. All other orders will ship the next day.
  • Transit Time: 1-6 business days

Click here to view our full Shipping Policy.

Returns accepted within 30 days.

  • Items must be new, unused, and in original packaging.
  • Returned merchandise may be subject to a restocking fee of up to 15%

Click here to view our full Return & Refund Policy.
Offer quality marine equipment from trusted brands and treat customers the way we'd want to be treated.
Boating Tools — Our Mission

Have a question? Just call us.

A real human from the U.S. will answer. We can help you pick the right gear, talk through compatibility, or work out pricing. If we miss your call, leave a voicemail and we'll get back to you.

Compare products

{"one"=>"Select 2 or 3 items to compare", "other"=>"{{ count }} of 3 items selected"}

Select first item to compare

Select second item to compare

Select third item to compare

Compare