Fisheries Supply provides quality marine fuel sending units for accurate tank level readings on vessels. Trust top brands like KUS USA and Wema for durable, reliable fuel tank senders designed specifically for the marine environment. Resisting corrosion, these fuel gauge sensors deliver precise measurements so captains know how much remains onboard. For older systems, find replacement fuel senders, floats and accessories to get gauges working again. To install new monitoring equipment, we offer everything required from programmable units to sensors requiring no tank modifications. The S5U sender from Wema is an innovative solution for monitoring the level of fuel and/or water tanks in boats and recreational vehicles. Get the fuel tank sending system you need from our extensive online inventory of marine-grade models built to last offshore. Rely on Fisheries Supply for fuel gauge senders, components and parts conveniently shipped to your door.