Garmin
Garmin GT21-TM Transom Mount Transducer, Traditional 600W, 50/200kHz, ClearVü CHIRP 500W, 260 & 455kHz
In StockNewSKU: 010-01962-00
$135.99$159.99per unit
1
Secure Checkout
Shipping Available
Returns Available
Quick Specs
Temperature: YesSpeed Included: NoPins: 8Mounting Style: TransomImaging: Standard/DownChirp: Non TraditionalCable Length (Feet): 30'
Description
GT21-TM Transom Mount Transducer, Traditional 600W, 50/200kHz, ClearVü CHIRP 500W, 260 & 455kHz
Perfect for coastal and offshore fishermen who want traditional sonar and CHIRP ClearVü scanning sonar. This transom 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 500W 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 also includes a built-in fast response temperature sensor.
GT21-TM includes an 8-pin transducer with mounting hardware and installation instructions. Follow the instructions carefully to avoid damaging your boat.
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.
Quick Specs
Temperature = Yes | Speed Included = No | Pins = 8 | Mounting Style = Transom | Imaging = Standard/Down | Chirp = Non Traditional | Cable Length (Feet) = 30'
Accessories (20)
Specifications
| SKU | 010-01962-00 |
| UPC | 753759152826 |
| Brand | Garmin |
| Category | Marine Navigation & Instruments |
| Country of Origin | TAIWAN |
| Weight | 2.8 |
| Dimensions | 12 x 6 x 5 |
| Status | Active |
| Last Synced | 10/5/2026, 2:04:48 AM |
Compliance & Shipping
WARNINGProp 65 Notice
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.
Returnable
Product Literature
Customer Reviews
0.0
0 reviews
5
0
4
0
3
0
2
0
1
0
Only customers who purchased this item can write a review.
No reviews yet. Purchased this item? Be the first to review it.
Frequently Bought Together
Total for 4 items:
$464.62
Compare Key Features
| Feature |  Garmin GT21-TM Transom Mount Transducer, Traditional 600W, 50/200kHz, ClearVü CHIRP 500W, 260 & 455kHz CURRENT |  Garmin GT8HW-IF Ice Fishing, Plastic, High Wide CHIRP Transducer - 150-240kHz, 250W, 4-Pin |  Garmin Transom Trolling Transducer f/echo™ Series Fishfinders - 4 Pin |  Vexilar Pro View Ice Ducer Transducer |  Navico Active Imaging 3-in-1 Transom Mount Transducer |
|---|---|---|---|---|---|
| Price | $135.99 | $127.49 | $84.99 | $116.15 | $348.49 |
| Brand | Garmin | Garmin | Garmin | Vexilar | Navico |
| Condition | New | New | New | New | New |
| Availability | In Stock | In Stock | In Stock | In Stock | In Stock |
| Weight | 2.8 | 0.8 | 1.15 | 1.1 | 3.6 |
| Dimensions | 12 x 6 x 5 | 7 x 6 x 3 | 7 x 7 x 3 | 7 x 6 x 3 | 13 x 10 x 3 |
| SKU | 010-01962-00 | 010-12401-20 | 010-10249-20 | TB0051 | 000-14489-001 |
| Country | TAIWAN | TAIWAN | TAIWAN | — | MEXICO |
| View Item | View Item | View Item | View Item | View Item |
You Might Also Need
Actisense
Actisense A2K-TDC-0M25 NMEA2000 Micro Cable Assembly - 0.25M
MPN: A2K-TDC-0M25
$23.80
In Stock
More from Garmin
View All
Garmin
Garmin LiveScope™ XR System w/GLS 10™ & LVS62 Transducer
MPN: 010-02719-00
$2549.99
In Stock
Garmin
Garmin Navionics Vision+™ NVSA004L -Mexico, the Caribbean to Brazil - Inland & Coastal Marine Charts
MPN: 010-C1285-00
$339.99
In Stock
Garmin
Garmin Reactor™ 40 Steer-By-Wire Corepack f/Yamaha® Helm Master® w/GHC™ 50 Autopilot Instrument
MPN: 010-02794-04
$2932.49
In Stock
Garmin
Garmin Reactor™ 40 Mechanical/Retrofit/Solenoid Corepack w/GHC™ 50 Autopilot Instrument Pack
MPN: 010-02794-02
$1912.49
In Stock
Garmin
Garmin Reactor™ 40 Kicker Autopilot w/GHC™ 50 Autopilot Instrument
MPN: 010-02794-09
$2464.99
In Stock
Garmin
Garmin Reactor™ 40 Kicker Autopilot w/GHC™ 50 & Stainless Steel Tilt Tube
MPN: 010-02794-10
$2549.99
In Stock
Garmin
Garmin Reactor™ 40 Hydraulic Autopilot w/GHC™ 50 Autopilot Instrument
MPN: 010-02794-00
$1912.49
In Stock
Garmin
Garmin Compact Reactor™ 40 Hydraulic Autopilot w/GHC™ 50 Instrument Pack w/GHC™ 50
MPN: 010-02794-07
$1529.99
In Stock
Garmin
Garmin Reactor™ 40 Hydraulic Corepack with SmartPump v2 & GHC™ 50 Autopilot Instrument Pack
MPN: 010-02794-01
$3739.99
In Stock
Related Products
Airmar
Airmar DT812PV-235-N2 - 235kHz - Plastic Thru Hull Smart Sensor - 12° Tilt - NMEA 2000 - 6M Cable
MPN: DT812PV-235-N2
$373.99
In Stock
Airmar
Airmar B60 Thru-Hull Transducer 20° Tilt 9-Pin f/Navico xSonic
MPN: B60-20-9N
$373.99
In Stock
Furuno
Furuno 165T/275LHW-12P Pocket Mount Combo Transducer f/DFF3D & TZT3 Displays
MPN: 165T/275LHW-12P
$3288.89
In Stock
Furuno
Furuno TM275LHW Transom Mount CHIRP Transducer w/Temp - 12-Pin Connector f/TZT3
MPN: TM275LHW-12P
$1600.00
In Stock
Customers Also Viewed
Faria Beede Instruments
Faria Temperature Sender 1/8" NPTF American Single Standard - TS1029
MPN: 90401
$8.86
In Stock
Faria Beede Instruments
Faria Dress White 4" Tachometer - 6000 RPM (Gas) (Inboard & I/O)
MPN: 33103
$31.49
In Stock
Faria Beede Instruments
Faria Chesapeake Black 4" Tachometer w/Hourmeter - 6000 RPM (Gas) (Inboard)
MPN: 33732
$691.46
In Stock
Garmin
Garmin LiveScope™ XR System w/GLS 10™ & LVS62 Transducer
MPN: 010-02719-00
$2549.99
In Stock
Frequently Asked Questions
Price
$135.99