Garmin GT21-TM 4 Pin Transom Mount Transducer 010-01962-00 Used Tested 90-Day Warranty

$149.99

This item is pre-owned and may exhibit signs of cosmetic wear, including scratches or scuffs; however, it is fully functional and operates as intended. Please note, it may not include all components originally provided by the manufacturer. The images displayed show everything included with this purchase.
SKU: 865173
In stock (1 available)
Buy Now
  • Free Shipping Lower 48

    Free Shipping Lower 48

  • 30-Day Returns

    30-Day Returns

  • 90-Day Warranty

    90-Day Warranty

Manufacturer:

Model Number: GT21-TM

MPN: 010-01962-00

Listed Item Condition: Used

Product Details:

This listing is for a USED Garmin GT21-TM Transducer. This transducer was tested on a Garmin Striker 5CV to confirm each frequency is operating to its fullest potential.
This is a 4-Pin Transducer with a cable length of 20 Feet

4-PIN ONLY.

Sonar Frequencies & Power

• Traditional Sonar:
• Power: 600 Watts
• Frequency: 50/200 kHz
• Beamwidth: 40° at 50 kHz / 10° at 200 kHz
• ClearVü Scanning Sonar:
• Power: 500 Watts (CHIRP)
• Frequency: 260 kHz (245–275 kHz) & 455 kHz (445–465 kHz)
• Beamwidth: 2.0° x 51° at 260 kHz / 1.4° x 29° at 455 kHz

Maximum Depth Performance

• Traditional Sonar: Up to 1,500 feet
• ClearVü Sonar: Up to 1,000 feet
(Note: Maximum depth performance will vary depending on water salinity, bottom type, and overall water conditions.)

Please note: This transducer is used, so it has some scratches and scuff marks.

Please refer to the photos for the item's condition and sale contents.

Thanks for viewing!!

What's Included:

  • Garmin GT21-TM 4 Pin Transom Mount Transducer
  • Mounting Bracket

Return Info: 30-Day Returns

Warranty Info: 90-Day Warranty

Dimensions: 9 × 2.5 × 2 in, Weight: 2 lbs

Shipping Info: Free shipping applies to items being delivered within the contiguous United States (lower 48). HI, AK, PR, and all other US Territories, and International locations will have shipping calculated during checkout. Please be advised if the item is large or is a multi-piece shipment, shipping quotes may be inaccurate due to restrictions outside of our control, in those instances you will be contacted promptly.

Terms:

All items sold at Max Marine Electronics come as you see in the pictures provided, with only the parts and accessories stated in the description section named “What’s Included”. IF YOU DO NOT SEE SOMETHING YOU EXPECT TO BE INCLUDED IN THE DESCRIPTION WE PROVIDE, IT WILL NOT BE INCLUDED. Read all descriptions thoroughly. There are times when a display is used only to show the item being sold is functional and working properly. In this case, these displays are not included. If you have any questions feel free to reach out to Max Marine Electronics. We always want to be transparent with our customers and fully disclose any information regarding the products we sell.

***PLEASE NOTE***Buyers outside the contiguous United States:
We strive to provide accurate shipping quotes at checkout. However, for satellites, radars, large items, or multi-piece shipments, system and carrier limitations may sometimes result in incorrect estimates. If this happens with your order, our team will reach out to you right away to ensure you receive the best possible shipping solution. Your satisfaction is our priority!

Categories Transducers & Sensors » Transducers » Dual Frequency Transducers
QTY Available 1
Date Added Oct 28, 2026
Location

1008201

More Garmin Products