Use this stainless steel transducer jam nut on your compatible GT17M-THF transducer.
GARMIN Galvanic Isolator Kit | 010-13320-10
$49.99
GARMIN Galvanic Isolator Kit for GT17M-THF Transducer | 010-13348-10
$34.99
GARMIN Stainless Steel Transducer Jam Nut for GT17M-THF Transducer | 010-13348-00
$139.99
GARMIN Stainless Steel Transducer Jam Nut for GT17M-THF Transducer | 010-13348-00
2 in stock (can be backordered)

