Garmin GT51M-TM Transom Mount DownVu/SideVu 500W, Traditional 600W Transducer Mid-Band CHIRP w/Temp - 12-Pin [010-01966-00] Marine Plumbing & Ventilation | Engine Cooling Pumps Bases install with two #10

Bases install with two #10 fasteners

ROTECH - X18

Shakespeare Centerpin® PL-259-CP-G Connector

Outside radius: 2-1/2"

Adjustable Switch & By-Pass

Garmin GT51M-TM Transom Mount DownVu/SideVu 500W, Traditional 600W Transducer Mid-Band CHIRP w/Temp - 12-Pin [010-01966-00] Marine Plumbing & Ventilation | Engine Cooling Pumps Bases install with two #10GT51M TM Transom Mount DownV SideV 500W (CHIRP 260 455 kHz) Traditional 600W Mid Band CHIRP 80 160 kHz Transducer with Temp 12 Pin The GT51M TM transom mount transducer provides ultra clear sonar pictures of objects, structure and fish that pass below your boat. This traditional CHIRP and CHIRP DownV SideV transducer is optimized for depth performance and rough condidtions. The CHIRP DownV SideV elements have a power rating of 500W per element (1,500W