The Garmin GT51M-THP delivers ultra-clear sonar imagery of fish, structure, and bottom detail directly beneath your hull. This stainless steel thru-hull pair combines mid-band CHIRP traditional sonar with CHIRP DownVü/SideVü elements, optimized for depth performance and rough-water conditions. Designed for hull deadrises under 25 degrees, the pair installs via port and starboard stainless steel stems and includes everything needed for a complete thru-hull installation.

Specifications:

• Transducer type: Stainless steel thru-hull pair
• DownVü/SideVü power rating: 500 W per element (1,500 W total)
• DownVü/SideVü operating frequencies: CHIRP 260/455 kHz
• Traditional CHIRP power rating: 600 W
• Traditional CHIRP operating frequencies: Mid-band CHIRP 80–160 kHz
• Built-in fast-response temperature sensor
• Connector: 12-pin
• Hull deadrise requirement: Less than 25 degrees
• Includes: Port and starboard 12-pin transducers, stainless steel stems, fairing blocks, Y-cable, bushings, mounting hardware, and installation instructions

Compatible Devices:

• GPSMAP® 7607xsv
• GPSMAP® 7608xsv
• GPSMAP® 7610xsv
• GPSMAP® 7612xsv
• GSD™ 25 Premium Sonar Module

Resources

• Owner's Manual (PDF)

⚠️ California Prop 65 Warning: This product can expose you to chemicals known to the State of California to cause cancer, birth defects, or other reproductive harm. For more information, visit P65Warnings.ca.gov.