Garmin GT51M-TH SS TH DownV/SideV 500W (CHIRP 260/455 kHz) Traditional 600W (Mid-Band CHIRP 80-160) Transducer - 12-Pin

The GT51M-TH Stainless Steel Thru-Hull Transducer is the ideal choice for coastal and offshore anglers seeking advanced sonar capabilities. Designed for durability and performance, this transducer provides clear and detailed underwater images, ensuring you never miss a catch even in challenging sea conditions.

Advanced Sonar Technologies

Equipped with CHIRP ClearVü and CHIRP SideVü scanning sonar, along with traditional CHIRP sonar, the GT51M-TH delivers versatile imaging options. Whether you're looking to identify fish arches, separate targets, or visualize underwater structures, this transducer offers superior clarity and precision.

CHIRP ClearVü & SideVü

• Power Rating: 500 W per element
• Operating Frequencies: 260/455 kHz
• Provides wide-angle scanning for comprehensive underwater views

Traditional CHIRP Sonar

• Power Rating: 600 W
• Operating Frequencies: Mid-band CHIRP 80-160 kHz
• Offers detailed target separation and enhanced image resolution

Durable Construction

Constructed with a stainless steel stem, the GT51M-TH is built to withstand harsh marine environments. Its thru-hull mounting ensures a secure and stable installation, minimizing vibrations and maximizing sonar performance.

Temperature Sensing

Integrated with a fast-response temperature sensor, this transducer provides real-time water temperature readings, allowing you to make informed decisions based on changing underwater conditions.

Optimized for Performance

Designed for hull deadrises of less than 5 degrees, the GT51M-TH excels in rough sea conditions, maintaining clear and consistent sonar displays regardless of the water's surface state.

Included Components

• 12-pin transducer with stainless steel stem
• Fairing block and isolation plate
• Bushings and mounting hardware
• Comprehensive installation instructions

Ensure a smooth installation process by following the provided instructions carefully to avoid any potential damage to your vessel.

Technical Specifications

Feature	Details
Mounting Style	Thru-Hull
Imaging Modes	Standard, Down, Side
Cable Length	5' + 30' Y-extension
Temperature Sensor	Yes
Speed Sensor Included	No
Connector Pins	12
Chirp Type	Medium/Non-Traditional
Box Dimensions	6"H x 14"W x 17"L
Weight	9.6 lbs
UPC	753759152925

Safety Information

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.

Additional Resources

Download the Owner's Manual (PDF)

Orders of physical products placed by 3 PM EST M-F typically ships the same day, if all requested items are in stock. Weekend orders will typically ship on Monday.

Shipping takes 2-7 days.

We currently ship to the Contiguous 48 States.

Life of Sailing merch is custom made for the customer after an order is placed. Total turnaround is typically 7-14 days from order to doorstep.