This product is either discontinued or we cannot get that from suppliers.
Brand: Garmin, Model: 010-11678-10, Type: Cable, Colour: Black, Compatible: echo 301c / echo 500c / echo 501c / echo 550c / echo 551dv / Fishfinder 350c.
Supply power to your echo series fishfinder with our 6 ft (1.8 m), 4-pin cable.